Upload 13 files
Browse files- BHC_Test1/README.md +202 -0
 - BHC_Test1/adapter_config.json +39 -0
 - BHC_Test1/adapter_model.safetensors +3 -0
 - BHC_Test1/latest +1 -0
 - BHC_Test1/rng_state.pth +3 -0
 - BHC_Test1/scheduler.pt +3 -0
 - BHC_Test1/special_tokens_map.json +24 -0
 - BHC_Test1/tokenizer.json +0 -0
 - BHC_Test1/tokenizer.model +3 -0
 - BHC_Test1/tokenizer_config.json +47 -0
 - BHC_Test1/trainer_state.json +3234 -0
 - BHC_Test1/training_args.bin +3 -0
 - BHC_Test1/zero_to_fp32.py +760 -0
 
    	
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| 1 | 
         
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            ---
         
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            base_model: /home/bingxing2/ailab/gaoben/models/Mistral-7B-Instruct/Mistral-7B-Instruct-v0.2/AI-ModelScope/Mistral-7B-Instruct-v0___2
         
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            library_name: peft
         
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| 4 | 
         
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            ---
         
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| 5 | 
         
            +
             
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| 6 | 
         
            +
            # Model Card for Model ID
         
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| 7 | 
         
            +
             
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| 8 | 
         
            +
            <!-- Provide a quick summary of what the model is/does. -->
         
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| 9 | 
         
            +
             
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| 10 | 
         
            +
             
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| 11 | 
         
            +
             
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| 12 | 
         
            +
            ## Model Details
         
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| 13 | 
         
            +
             
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| 14 | 
         
            +
            ### Model Description
         
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| 15 | 
         
            +
             
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| 16 | 
         
            +
            <!-- Provide a longer summary of what this model is. -->
         
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| 17 | 
         
            +
             
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| 18 | 
         
            +
             
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| 19 | 
         
            +
             
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| 20 | 
         
            +
            - **Developed by:** [More Information Needed]
         
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| 21 | 
         
            +
            - **Funded by [optional]:** [More Information Needed]
         
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| 22 | 
         
            +
            - **Shared by [optional]:** [More Information Needed]
         
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| 23 | 
         
            +
            - **Model type:** [More Information Needed]
         
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| 24 | 
         
            +
            - **Language(s) (NLP):** [More Information Needed]
         
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| 25 | 
         
            +
            - **License:** [More Information Needed]
         
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| 26 | 
         
            +
            - **Finetuned from model [optional]:** [More Information Needed]
         
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| 27 | 
         
            +
             
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| 28 | 
         
            +
            ### Model Sources [optional]
         
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| 29 | 
         
            +
             
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| 30 | 
         
            +
            <!-- Provide the basic links for the model. -->
         
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| 31 | 
         
            +
             
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| 32 | 
         
            +
            - **Repository:** [More Information Needed]
         
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| 33 | 
         
            +
            - **Paper [optional]:** [More Information Needed]
         
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| 34 | 
         
            +
            - **Demo [optional]:** [More Information Needed]
         
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| 35 | 
         
            +
             
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| 36 | 
         
            +
            ## Uses
         
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| 37 | 
         
            +
             
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| 38 | 
         
            +
            <!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
         
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            +
             
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| 40 | 
         
            +
            ### Direct Use
         
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| 41 | 
         
            +
             
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| 42 | 
         
            +
            <!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
         
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| 43 | 
         
            +
             
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| 44 | 
         
            +
            [More Information Needed]
         
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| 45 | 
         
            +
             
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| 46 | 
         
            +
            ### Downstream Use [optional]
         
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| 47 | 
         
            +
             
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| 48 | 
         
            +
            <!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
         
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| 49 | 
         
            +
             
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| 50 | 
         
            +
            [More Information Needed]
         
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| 51 | 
         
            +
             
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| 52 | 
         
            +
            ### Out-of-Scope Use
         
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| 53 | 
         
            +
             
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| 54 | 
         
            +
            <!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
         
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| 55 | 
         
            +
             
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| 56 | 
         
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            [More Information Needed]
         
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| 57 | 
         
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| 58 | 
         
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            ## Bias, Risks, and Limitations
         
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| 59 | 
         
            +
             
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            +
            <!-- This section is meant to convey both technical and sociotechnical limitations. -->
         
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            [More Information Needed]
         
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| 64 | 
         
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            ### Recommendations
         
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            +
            <!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
         
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            Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
         
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| 69 | 
         
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| 70 | 
         
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            ## How to Get Started with the Model
         
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            Use the code below to get started with the model.
         
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            [More Information Needed]
         
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| 75 | 
         
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| 76 | 
         
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            ## Training Details
         
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| 77 | 
         
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| 78 | 
         
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            ### Training Data
         
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| 79 | 
         
            +
             
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| 80 | 
         
            +
            <!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
         
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            [More Information Needed]
         
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            ### Training Procedure
         
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| 85 | 
         
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| 86 | 
         
            +
            <!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
         
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| 87 | 
         
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            #### Preprocessing [optional]
         
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| 89 | 
         
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| 90 | 
         
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            [More Information Needed]
         
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| 91 | 
         
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| 93 | 
         
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            #### Training Hyperparameters
         
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| 94 | 
         
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            - **Training regime:** [More Information Needed] <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
         
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            #### Speeds, Sizes, Times [optional]
         
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            <!-- This section provides information about throughput, start/end time, checkpoint size if relevant, etc. -->
         
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            [More Information Needed]
         
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| 102 | 
         
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            ## Evaluation
         
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| 104 | 
         
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| 105 | 
         
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            <!-- This section describes the evaluation protocols and provides the results. -->
         
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| 106 | 
         
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| 107 | 
         
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            ### Testing Data, Factors & Metrics
         
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| 108 | 
         
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            #### Testing Data
         
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| 110 | 
         
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| 111 | 
         
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            <!-- This should link to a Dataset Card if possible. -->
         
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| 112 | 
         
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| 113 | 
         
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            [More Information Needed]
         
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| 114 | 
         
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| 115 | 
         
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            #### Factors
         
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| 116 | 
         
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| 117 | 
         
            +
            <!-- These are the things the evaluation is disaggregating by, e.g., subpopulations or domains. -->
         
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| 118 | 
         
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| 119 | 
         
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            [More Information Needed]
         
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| 120 | 
         
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| 121 | 
         
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            #### Metrics
         
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| 122 | 
         
            +
             
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| 123 | 
         
            +
            <!-- These are the evaluation metrics being used, ideally with a description of why. -->
         
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| 124 | 
         
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| 125 | 
         
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            [More Information Needed]
         
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| 126 | 
         
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| 127 | 
         
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            ### Results
         
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| 128 | 
         
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| 129 | 
         
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            [More Information Needed]
         
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| 130 | 
         
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| 131 | 
         
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            #### Summary
         
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| 132 | 
         
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| 134 | 
         
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| 135 | 
         
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            ## Model Examination [optional]
         
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| 136 | 
         
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| 137 | 
         
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            <!-- Relevant interpretability work for the model goes here -->
         
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| 138 | 
         
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| 139 | 
         
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            [More Information Needed]
         
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| 140 | 
         
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| 141 | 
         
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            ## Environmental Impact
         
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| 142 | 
         
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| 143 | 
         
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            <!-- Total emissions (in grams of CO2eq) and additional considerations, such as electricity usage, go here. Edit the suggested text below accordingly -->
         
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| 144 | 
         
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| 145 | 
         
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            Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
         
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| 146 | 
         
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            - **Hardware Type:** [More Information Needed]
         
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| 148 | 
         
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            - **Hours used:** [More Information Needed]
         
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| 149 | 
         
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            - **Cloud Provider:** [More Information Needed]
         
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| 150 | 
         
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            - **Compute Region:** [More Information Needed]
         
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| 151 | 
         
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            - **Carbon Emitted:** [More Information Needed]
         
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| 152 | 
         
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| 153 | 
         
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            ## Technical Specifications [optional]
         
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| 154 | 
         
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            ### Model Architecture and Objective
         
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| 156 | 
         
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| 157 | 
         
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            [More Information Needed]
         
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| 159 | 
         
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            ### Compute Infrastructure
         
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| 160 | 
         
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            [More Information Needed]
         
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            #### Hardware
         
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| 164 | 
         
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            [More Information Needed]
         
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| 166 | 
         
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            #### Software
         
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| 168 | 
         
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            [More Information Needed]
         
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| 171 | 
         
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            ## Citation [optional]
         
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| 172 | 
         
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| 173 | 
         
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            <!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
         
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            **BibTeX:**
         
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            [More Information Needed]
         
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            **APA:**
         
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| 180 | 
         
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            [More Information Needed]
         
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| 183 | 
         
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            ## Glossary [optional]
         
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| 184 | 
         
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| 185 | 
         
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            <!-- If relevant, include terms and calculations in this section that can help readers understand the model or model card. -->
         
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| 186 | 
         
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| 187 | 
         
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            [More Information Needed]
         
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| 189 | 
         
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            ## More Information [optional]
         
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| 190 | 
         
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| 191 | 
         
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            [More Information Needed]
         
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            ## Model Card Authors [optional]
         
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| 194 | 
         
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| 195 | 
         
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            [More Information Needed]
         
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            ## Model Card Contact
         
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| 198 | 
         
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| 199 | 
         
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            [More Information Needed]
         
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| 200 | 
         
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            ### Framework versions
         
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            - PEFT 0.15.1
         
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            {
         
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              "alpha_pattern": {},
         
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              "auto_mapping": null,
         
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              "base_model_name_or_path": "/home/bingxing2/ailab/gaoben/models/Mistral-7B-Instruct/Mistral-7B-Instruct-v0.2/AI-ModelScope/Mistral-7B-Instruct-v0___2",
         
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              "bias": "none",
         
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              "corda_config": null,
         
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              "eva_config": null,
         
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              "exclude_modules": null,
         
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              "fan_in_fan_out": false,
         
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              "inference_mode": true,
         
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              "init_lora_weights": true,
         
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              "layer_replication": null,
         
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              "layers_pattern": null,
         
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              "layers_to_transform": null,
         
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              "loftq_config": {},
         
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              "lora_alpha": 32,
         
     | 
| 17 | 
         
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| 29 | 
         
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| 30 | 
         
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| 31 | 
         
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| 32 | 
         
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| 33 | 
         
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| 34 | 
         
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| 35 | 
         
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     | 
| 38 | 
         
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     | 
| 39 | 
         
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     | 
    	
        BHC_Test1/adapter_model.safetensors
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    ADDED
    
    | 
         @@ -0,0 +1,24 @@ 
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     | 
| 10 | 
         
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     | 
| 11 | 
         
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     | 
| 12 | 
         
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| 13 | 
         
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     | 
| 14 | 
         
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     | 
| 15 | 
         
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     | 
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     | 
    	
        BHC_Test1/tokenizer.json
    ADDED
    
    | 
         The diff for this file is too large to render. 
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        BHC_Test1/tokenizer.model
    ADDED
    
    | 
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        BHC_Test1/tokenizer_config.json
    ADDED
    
    | 
         @@ -0,0 +1,47 @@ 
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            +
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     | 
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| 8 | 
         
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| 12 | 
         
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     | 
| 13 | 
         
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     | 
| 15 | 
         
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| 18 | 
         
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| 19 | 
         
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     | 
| 20 | 
         
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     | 
| 21 | 
         
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     | 
| 22 | 
         
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     | 
| 23 | 
         
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| 26 | 
         
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| 27 | 
         
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     | 
| 28 | 
         
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     | 
| 29 | 
         
            +
                }
         
     | 
| 30 | 
         
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     | 
| 31 | 
         
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              "additional_special_tokens": [],
         
     | 
| 32 | 
         
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              "bos_token": "<s>",
         
     | 
| 33 | 
         
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              "chat_template": "{{ bos_token }}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if message['role'] == 'user' %}{{ '[INST] ' + message['content'] + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ message['content'] + eos_token}}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}",
         
     | 
| 34 | 
         
            +
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     | 
| 35 | 
         
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     | 
| 36 | 
         
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     | 
| 37 | 
         
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     | 
| 38 | 
         
            +
              "model_max_length": 1000000000000000019884624838656,
         
     | 
| 39 | 
         
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     | 
| 40 | 
         
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     | 
| 41 | 
         
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     | 
| 42 | 
         
            +
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     | 
| 43 | 
         
            +
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     | 
| 44 | 
         
            +
              "tokenizer_class": "LlamaTokenizer",
         
     | 
| 45 | 
         
            +
              "unk_token": "<unk>",
         
     | 
| 46 | 
         
            +
              "use_default_system_prompt": false
         
     | 
| 47 | 
         
            +
            }
         
     | 
    	
        BHC_Test1/trainer_state.json
    ADDED
    
    | 
         @@ -0,0 +1,3234 @@ 
     | 
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|
| 1 | 
         
            +
            #!/usr/bin/env python
         
     | 
| 2 | 
         
            +
             
     | 
| 3 | 
         
            +
            # Copyright (c) Microsoft Corporation.
         
     | 
| 4 | 
         
            +
            # SPDX-License-Identifier: Apache-2.0
         
     | 
| 5 | 
         
            +
             
     | 
| 6 | 
         
            +
            # DeepSpeed Team
         
     | 
| 7 | 
         
            +
             
     | 
| 8 | 
         
            +
            # This script extracts fp32 consolidated weights from a zero 1, 2 and 3 DeepSpeed checkpoints. It gets
         
     | 
| 9 | 
         
            +
            # copied into the top level checkpoint dir, so the user can easily do the conversion at any point in
         
     | 
| 10 | 
         
            +
            # the future. Once extracted, the weights don't require DeepSpeed and can be used in any
         
     | 
| 11 | 
         
            +
            # application.
         
     | 
| 12 | 
         
            +
            #
         
     | 
| 13 | 
         
            +
            # example:
         
     | 
| 14 | 
         
            +
            #   python zero_to_fp32.py . output_dir/
         
     | 
| 15 | 
         
            +
            #   or
         
     | 
| 16 | 
         
            +
            #   python zero_to_fp32.py . output_dir/ --safe_serialization
         
     | 
| 17 | 
         
            +
             
     | 
| 18 | 
         
            +
            import argparse
         
     | 
| 19 | 
         
            +
            import torch
         
     | 
| 20 | 
         
            +
            import glob
         
     | 
| 21 | 
         
            +
            import math
         
     | 
| 22 | 
         
            +
            import os
         
     | 
| 23 | 
         
            +
            import re
         
     | 
| 24 | 
         
            +
            import gc
         
     | 
| 25 | 
         
            +
            import json
         
     | 
| 26 | 
         
            +
            import numpy as np
         
     | 
| 27 | 
         
            +
            from tqdm import tqdm
         
     | 
| 28 | 
         
            +
            from collections import OrderedDict
         
     | 
| 29 | 
         
            +
            from dataclasses import dataclass
         
     | 
| 30 | 
         
            +
             
     | 
| 31 | 
         
            +
            # while this script doesn't use deepspeed to recover data, since the checkpoints are pickled with
         
     | 
| 32 | 
         
            +
            # DeepSpeed data structures it has to be available in the current python environment.
         
     | 
| 33 | 
         
            +
            from deepspeed.utils import logger
         
     | 
| 34 | 
         
            +
            from deepspeed.checkpoint.constants import (DS_VERSION, OPTIMIZER_STATE_DICT, SINGLE_PARTITION_OF_FP32_GROUPS,
         
     | 
| 35 | 
         
            +
                                                        FP32_FLAT_GROUPS, ZERO_STAGE, PARTITION_COUNT, PARAM_SHAPES, BUFFER_NAMES,
         
     | 
| 36 | 
         
            +
                                                        FROZEN_PARAM_SHAPES, FROZEN_PARAM_FRAGMENTS)
         
     | 
| 37 | 
         
            +
             
     | 
| 38 | 
         
            +
             
     | 
| 39 | 
         
            +
            @dataclass
         
     | 
| 40 | 
         
            +
            class zero_model_state:
         
     | 
| 41 | 
         
            +
                buffers: dict()
         
     | 
| 42 | 
         
            +
                param_shapes: dict()
         
     | 
| 43 | 
         
            +
                shared_params: list
         
     | 
| 44 | 
         
            +
                ds_version: int
         
     | 
| 45 | 
         
            +
                frozen_param_shapes: dict()
         
     | 
| 46 | 
         
            +
                frozen_param_fragments: dict()
         
     | 
| 47 | 
         
            +
             
     | 
| 48 | 
         
            +
             
     | 
| 49 | 
         
            +
            debug = 0
         
     | 
| 50 | 
         
            +
             
     | 
| 51 | 
         
            +
            # load to cpu
         
     | 
| 52 | 
         
            +
            device = torch.device('cpu')
         
     | 
| 53 | 
         
            +
             
     | 
| 54 | 
         
            +
             
     | 
| 55 | 
         
            +
            def atoi(text):
         
     | 
| 56 | 
         
            +
                return int(text) if text.isdigit() else text
         
     | 
| 57 | 
         
            +
             
     | 
| 58 | 
         
            +
             
     | 
| 59 | 
         
            +
            def natural_keys(text):
         
     | 
| 60 | 
         
            +
                '''
         
     | 
| 61 | 
         
            +
                alist.sort(key=natural_keys) sorts in human order
         
     | 
| 62 | 
         
            +
                http://nedbatchelder.com/blog/200712/human_sorting.html
         
     | 
| 63 | 
         
            +
                (See Toothy's implementation in the comments)
         
     | 
| 64 | 
         
            +
                '''
         
     | 
| 65 | 
         
            +
                return [atoi(c) for c in re.split(r'(\d+)', text)]
         
     | 
| 66 | 
         
            +
             
     | 
| 67 | 
         
            +
             
     | 
| 68 | 
         
            +
            def get_model_state_file(checkpoint_dir, zero_stage):
         
     | 
| 69 | 
         
            +
                if not os.path.isdir(checkpoint_dir):
         
     | 
| 70 | 
         
            +
                    raise FileNotFoundError(f"Directory '{checkpoint_dir}' doesn't exist")
         
     | 
| 71 | 
         
            +
             
     | 
| 72 | 
         
            +
                # there should be only one file
         
     | 
| 73 | 
         
            +
                if zero_stage <= 2:
         
     | 
| 74 | 
         
            +
                    file = os.path.join(checkpoint_dir, "mp_rank_00_model_states.pt")
         
     | 
| 75 | 
         
            +
                elif zero_stage == 3:
         
     | 
| 76 | 
         
            +
                    file = os.path.join(checkpoint_dir, "zero_pp_rank_0_mp_rank_00_model_states.pt")
         
     | 
| 77 | 
         
            +
             
     | 
| 78 | 
         
            +
                if not os.path.exists(file):
         
     | 
| 79 | 
         
            +
                    raise FileNotFoundError(f"can't find model states file at '{file}'")
         
     | 
| 80 | 
         
            +
             
     | 
| 81 | 
         
            +
                return file
         
     | 
| 82 | 
         
            +
             
     | 
| 83 | 
         
            +
             
     | 
| 84 | 
         
            +
            def get_checkpoint_files(checkpoint_dir, glob_pattern):
         
     | 
| 85 | 
         
            +
                # XXX: need to test that this simple glob rule works for multi-node setup too
         
     | 
| 86 | 
         
            +
                ckpt_files = sorted(glob.glob(os.path.join(checkpoint_dir, glob_pattern)), key=natural_keys)
         
     | 
| 87 | 
         
            +
             
     | 
| 88 | 
         
            +
                if len(ckpt_files) == 0:
         
     | 
| 89 | 
         
            +
                    raise FileNotFoundError(f"can't find {glob_pattern} files in directory '{checkpoint_dir}'")
         
     | 
| 90 | 
         
            +
             
     | 
| 91 | 
         
            +
                return ckpt_files
         
     | 
| 92 | 
         
            +
             
     | 
| 93 | 
         
            +
             
     | 
| 94 | 
         
            +
            def get_optim_files(checkpoint_dir):
         
     | 
| 95 | 
         
            +
                return get_checkpoint_files(checkpoint_dir, "*_optim_states.pt")
         
     | 
| 96 | 
         
            +
             
     | 
| 97 | 
         
            +
             
     | 
| 98 | 
         
            +
            def get_model_state_files(checkpoint_dir):
         
     | 
| 99 | 
         
            +
                return get_checkpoint_files(checkpoint_dir, "*_model_states.pt")
         
     | 
| 100 | 
         
            +
             
     | 
| 101 | 
         
            +
             
     | 
| 102 | 
         
            +
            def parse_model_states(files):
         
     | 
| 103 | 
         
            +
                zero_model_states = []
         
     | 
| 104 | 
         
            +
                for file in files:
         
     | 
| 105 | 
         
            +
                    state_dict = torch.load(file, map_location=device, weights_only=False)
         
     | 
| 106 | 
         
            +
             
     | 
| 107 | 
         
            +
                    if BUFFER_NAMES not in state_dict:
         
     | 
| 108 | 
         
            +
                        raise ValueError(f"{file} is not a model state checkpoint")
         
     | 
| 109 | 
         
            +
                    buffer_names = state_dict[BUFFER_NAMES]
         
     | 
| 110 | 
         
            +
                    if debug:
         
     | 
| 111 | 
         
            +
                        print("Found buffers:", buffer_names)
         
     | 
| 112 | 
         
            +
             
     | 
| 113 | 
         
            +
                    # recover just the buffers while restoring them to fp32 if they were saved in fp16
         
     | 
| 114 | 
         
            +
                    buffers = {k: v.float() for k, v in state_dict["module"].items() if k in buffer_names}
         
     | 
| 115 | 
         
            +
                    param_shapes = state_dict[PARAM_SHAPES]
         
     | 
| 116 | 
         
            +
             
     | 
| 117 | 
         
            +
                    # collect parameters that are included in param_shapes
         
     | 
| 118 | 
         
            +
                    param_names = []
         
     | 
| 119 | 
         
            +
                    for s in param_shapes:
         
     | 
| 120 | 
         
            +
                        for name in s.keys():
         
     | 
| 121 | 
         
            +
                            param_names.append(name)
         
     | 
| 122 | 
         
            +
             
     | 
| 123 | 
         
            +
                    # update with frozen parameters
         
     | 
| 124 | 
         
            +
                    frozen_param_shapes = state_dict.get(FROZEN_PARAM_SHAPES, None)
         
     | 
| 125 | 
         
            +
                    if frozen_param_shapes is not None:
         
     | 
| 126 | 
         
            +
                        if debug:
         
     | 
| 127 | 
         
            +
                            print(f"Found frozen_param_shapes: {frozen_param_shapes}")
         
     | 
| 128 | 
         
            +
                        param_names += list(frozen_param_shapes.keys())
         
     | 
| 129 | 
         
            +
             
     | 
| 130 | 
         
            +
                    # handle shared params
         
     | 
| 131 | 
         
            +
                    shared_params = [[k, v] for k, v in state_dict["shared_params"].items()]
         
     | 
| 132 | 
         
            +
             
     | 
| 133 | 
         
            +
                    ds_version = state_dict.get(DS_VERSION, None)
         
     | 
| 134 | 
         
            +
             
     | 
| 135 | 
         
            +
                    frozen_param_fragments = state_dict.get(FROZEN_PARAM_FRAGMENTS, None)
         
     | 
| 136 | 
         
            +
             
     | 
| 137 | 
         
            +
                    z_model_state = zero_model_state(buffers=buffers,
         
     | 
| 138 | 
         
            +
                                                     param_shapes=param_shapes,
         
     | 
| 139 | 
         
            +
                                                     shared_params=shared_params,
         
     | 
| 140 | 
         
            +
                                                     ds_version=ds_version,
         
     | 
| 141 | 
         
            +
                                                     frozen_param_shapes=frozen_param_shapes,
         
     | 
| 142 | 
         
            +
                                                     frozen_param_fragments=frozen_param_fragments)
         
     | 
| 143 | 
         
            +
                    zero_model_states.append(z_model_state)
         
     | 
| 144 | 
         
            +
             
     | 
| 145 | 
         
            +
                return zero_model_states
         
     | 
| 146 | 
         
            +
             
     | 
| 147 | 
         
            +
             
     | 
| 148 | 
         
            +
            def parse_optim_states(files, ds_checkpoint_dir):
         
     | 
| 149 | 
         
            +
                total_files = len(files)
         
     | 
| 150 | 
         
            +
                state_dicts = []
         
     | 
| 151 | 
         
            +
                for f in tqdm(files, desc='Loading checkpoint shards'):
         
     | 
| 152 | 
         
            +
                    state_dict = torch.load(f, map_location=device, mmap=True, weights_only=False)
         
     | 
| 153 | 
         
            +
                    # immediately discard the potentially huge 2 optimizer states as we only care for fp32 master weights
         
     | 
| 154 | 
         
            +
                    # and also handle the case where it was already removed by another helper script
         
     | 
| 155 | 
         
            +
                    state_dict["optimizer_state_dict"].pop("optimizer_state_dict", None)
         
     | 
| 156 | 
         
            +
                    state_dicts.append(state_dict)
         
     | 
| 157 | 
         
            +
             
     | 
| 158 | 
         
            +
                if not ZERO_STAGE in state_dicts[0][OPTIMIZER_STATE_DICT]:
         
     | 
| 159 | 
         
            +
                    raise ValueError(f"{files[0]} is not a zero checkpoint")
         
     | 
| 160 | 
         
            +
                zero_stage = state_dicts[0][OPTIMIZER_STATE_DICT][ZERO_STAGE]
         
     | 
| 161 | 
         
            +
                world_size = state_dicts[0][OPTIMIZER_STATE_DICT][PARTITION_COUNT]
         
     | 
| 162 | 
         
            +
             
     | 
| 163 | 
         
            +
                # For ZeRO-2 each param group can have different partition_count as data parallelism for expert
         
     | 
| 164 | 
         
            +
                # parameters can be different from data parallelism for non-expert parameters. So we can just
         
     | 
| 165 | 
         
            +
                # use the max of the partition_count to get the dp world_size.
         
     | 
| 166 | 
         
            +
             
     | 
| 167 | 
         
            +
                if type(world_size) is list:
         
     | 
| 168 | 
         
            +
                    world_size = max(world_size)
         
     | 
| 169 | 
         
            +
             
     | 
| 170 | 
         
            +
                if world_size != total_files:
         
     | 
| 171 | 
         
            +
                    raise ValueError(
         
     | 
| 172 | 
         
            +
                        f"Expected {world_size} of '*_optim_states.pt' under '{ds_checkpoint_dir}' but found {total_files} files. "
         
     | 
| 173 | 
         
            +
                        "Possibly due to an overwrite of an old checkpoint, or a checkpoint didn't get saved by one or more processes."
         
     | 
| 174 | 
         
            +
                    )
         
     | 
| 175 | 
         
            +
             
     | 
| 176 | 
         
            +
                # the groups are named differently in each stage
         
     | 
| 177 | 
         
            +
                if zero_stage <= 2:
         
     | 
| 178 | 
         
            +
                    fp32_groups_key = SINGLE_PARTITION_OF_FP32_GROUPS
         
     | 
| 179 | 
         
            +
                elif zero_stage == 3:
         
     | 
| 180 | 
         
            +
                    fp32_groups_key = FP32_FLAT_GROUPS
         
     | 
| 181 | 
         
            +
                else:
         
     | 
| 182 | 
         
            +
                    raise ValueError(f"unknown zero stage {zero_stage}")
         
     | 
| 183 | 
         
            +
             
     | 
| 184 | 
         
            +
                fp32_flat_groups = [state_dicts[i][OPTIMIZER_STATE_DICT][fp32_groups_key] for i in range(len(state_dicts))]
         
     | 
| 185 | 
         
            +
                return zero_stage, world_size, fp32_flat_groups
         
     | 
| 186 | 
         
            +
             
     | 
| 187 | 
         
            +
             
     | 
| 188 | 
         
            +
            def _get_fp32_state_dict_from_zero_checkpoint(ds_checkpoint_dir, exclude_frozen_parameters):
         
     | 
| 189 | 
         
            +
                """
         
     | 
| 190 | 
         
            +
                Returns fp32 state_dict reconstructed from ds checkpoint
         
     | 
| 191 | 
         
            +
             
     | 
| 192 | 
         
            +
                Args:
         
     | 
| 193 | 
         
            +
                    - ``ds_checkpoint_dir``: path to the deepspeed checkpoint folder (where the optimizer files are)
         
     | 
| 194 | 
         
            +
             
     | 
| 195 | 
         
            +
                """
         
     | 
| 196 | 
         
            +
                print(f"Processing zero checkpoint '{ds_checkpoint_dir}'")
         
     | 
| 197 | 
         
            +
             
     | 
| 198 | 
         
            +
                optim_files = get_optim_files(ds_checkpoint_dir)
         
     | 
| 199 | 
         
            +
                zero_stage, world_size, fp32_flat_groups = parse_optim_states(optim_files, ds_checkpoint_dir)
         
     | 
| 200 | 
         
            +
                print(f"Detected checkpoint of type zero stage {zero_stage}, world_size: {world_size}")
         
     | 
| 201 | 
         
            +
             
     | 
| 202 | 
         
            +
                model_files = get_model_state_files(ds_checkpoint_dir)
         
     | 
| 203 | 
         
            +
             
     | 
| 204 | 
         
            +
                zero_model_states = parse_model_states(model_files)
         
     | 
| 205 | 
         
            +
                print(f'Parsing checkpoint created by deepspeed=={zero_model_states[0].ds_version}')
         
     | 
| 206 | 
         
            +
             
     | 
| 207 | 
         
            +
                if zero_stage <= 2:
         
     | 
| 208 | 
         
            +
                    return _get_fp32_state_dict_from_zero2_checkpoint(world_size, fp32_flat_groups, zero_model_states,
         
     | 
| 209 | 
         
            +
                                                                      exclude_frozen_parameters)
         
     | 
| 210 | 
         
            +
                elif zero_stage == 3:
         
     | 
| 211 | 
         
            +
                    return _get_fp32_state_dict_from_zero3_checkpoint(world_size, fp32_flat_groups, zero_model_states,
         
     | 
| 212 | 
         
            +
                                                                      exclude_frozen_parameters)
         
     | 
| 213 | 
         
            +
             
     | 
| 214 | 
         
            +
             
     | 
| 215 | 
         
            +
            def _zero2_merge_frozen_params(state_dict, zero_model_states):
         
     | 
| 216 | 
         
            +
                if zero_model_states[0].frozen_param_shapes is None or len(zero_model_states[0].frozen_param_shapes) == 0:
         
     | 
| 217 | 
         
            +
                    return
         
     | 
| 218 | 
         
            +
             
     | 
| 219 | 
         
            +
                frozen_param_shapes = zero_model_states[0].frozen_param_shapes
         
     | 
| 220 | 
         
            +
                frozen_param_fragments = zero_model_states[0].frozen_param_fragments
         
     | 
| 221 | 
         
            +
             
     | 
| 222 | 
         
            +
                if debug:
         
     | 
| 223 | 
         
            +
                    num_elem = sum(s.numel() for s in frozen_param_shapes.values())
         
     | 
| 224 | 
         
            +
                    print(f'rank 0: {FROZEN_PARAM_SHAPES}.numel = {num_elem}')
         
     | 
| 225 | 
         
            +
             
     | 
| 226 | 
         
            +
                    wanted_params = len(frozen_param_shapes)
         
     | 
| 227 | 
         
            +
                    wanted_numel = sum(s.numel() for s in frozen_param_shapes.values())
         
     | 
| 228 | 
         
            +
                    avail_numel = sum([p.numel() for p in frozen_param_fragments.values()])
         
     | 
| 229 | 
         
            +
                    print(f'Frozen params: Have {avail_numel} numels to process.')
         
     | 
| 230 | 
         
            +
                    print(f'Frozen params: Need {wanted_numel} numels in {wanted_params} params')
         
     | 
| 231 | 
         
            +
             
     | 
| 232 | 
         
            +
                total_params = 0
         
     | 
| 233 | 
         
            +
                total_numel = 0
         
     | 
| 234 | 
         
            +
                for name, shape in frozen_param_shapes.items():
         
     | 
| 235 | 
         
            +
                    total_params += 1
         
     | 
| 236 | 
         
            +
                    unpartitioned_numel = shape.numel()
         
     | 
| 237 | 
         
            +
                    total_numel += unpartitioned_numel
         
     | 
| 238 | 
         
            +
             
     | 
| 239 | 
         
            +
                    state_dict[name] = frozen_param_fragments[name]
         
     | 
| 240 | 
         
            +
             
     | 
| 241 | 
         
            +
                    if debug:
         
     | 
| 242 | 
         
            +
                        print(f"{name} full shape: {shape} unpartitioned numel {unpartitioned_numel} ")
         
     | 
| 243 | 
         
            +
             
     | 
| 244 | 
         
            +
                print(f"Reconstructed Frozen fp32 state dict with {total_params} params {total_numel} elements")
         
     | 
| 245 | 
         
            +
             
     | 
| 246 | 
         
            +
             
     | 
| 247 | 
         
            +
            def _has_callable(obj, fn):
         
     | 
| 248 | 
         
            +
                attr = getattr(obj, fn, None)
         
     | 
| 249 | 
         
            +
                return callable(attr)
         
     | 
| 250 | 
         
            +
             
     | 
| 251 | 
         
            +
             
     | 
| 252 | 
         
            +
            def _zero2_merge_trainable_params(state_dict, world_size, fp32_flat_groups, zero_model_states):
         
     | 
| 253 | 
         
            +
                param_shapes = zero_model_states[0].param_shapes
         
     | 
| 254 | 
         
            +
             
     | 
| 255 | 
         
            +
                # Reconstruction protocol:
         
     | 
| 256 | 
         
            +
                #
         
     | 
| 257 | 
         
            +
                # XXX: document this
         
     | 
| 258 | 
         
            +
             
     | 
| 259 | 
         
            +
                if debug:
         
     | 
| 260 | 
         
            +
                    for i in range(world_size):
         
     | 
| 261 | 
         
            +
                        for j in range(len(fp32_flat_groups[0])):
         
     | 
| 262 | 
         
            +
                            print(f"{FP32_FLAT_GROUPS}[{i}][{j}].shape={fp32_flat_groups[i][j].shape}")
         
     | 
| 263 | 
         
            +
             
     | 
| 264 | 
         
            +
                # XXX: memory usage doubles here (zero2)
         
     | 
| 265 | 
         
            +
                num_param_groups = len(fp32_flat_groups[0])
         
     | 
| 266 | 
         
            +
                merged_single_partition_of_fp32_groups = []
         
     | 
| 267 | 
         
            +
                for i in range(num_param_groups):
         
     | 
| 268 | 
         
            +
                    merged_partitions = [sd[i] for sd in fp32_flat_groups]
         
     | 
| 269 | 
         
            +
                    full_single_fp32_vector = torch.cat(merged_partitions, 0)
         
     | 
| 270 | 
         
            +
                    merged_single_partition_of_fp32_groups.append(full_single_fp32_vector)
         
     | 
| 271 | 
         
            +
                avail_numel = sum(
         
     | 
| 272 | 
         
            +
                    [full_single_fp32_vector.numel() for full_single_fp32_vector in merged_single_partition_of_fp32_groups])
         
     | 
| 273 | 
         
            +
             
     | 
| 274 | 
         
            +
                if debug:
         
     | 
| 275 | 
         
            +
                    wanted_params = sum([len(shapes) for shapes in param_shapes])
         
     | 
| 276 | 
         
            +
                    wanted_numel = sum([sum(shape.numel() for shape in shapes.values()) for shapes in param_shapes])
         
     | 
| 277 | 
         
            +
                    # not asserting if there is a mismatch due to possible padding
         
     | 
| 278 | 
         
            +
                    print(f"Have {avail_numel} numels to process.")
         
     | 
| 279 | 
         
            +
                    print(f"Need {wanted_numel} numels in {wanted_params} params.")
         
     | 
| 280 | 
         
            +
             
     | 
| 281 | 
         
            +
                # params
         
     | 
| 282 | 
         
            +
                # XXX: for huge models that can't fit into the host's RAM we will have to recode this to support
         
     | 
| 283 | 
         
            +
                # out-of-core computing solution
         
     | 
| 284 | 
         
            +
                total_numel = 0
         
     | 
| 285 | 
         
            +
                total_params = 0
         
     | 
| 286 | 
         
            +
                for shapes, full_single_fp32_vector in zip(param_shapes, merged_single_partition_of_fp32_groups):
         
     | 
| 287 | 
         
            +
                    offset = 0
         
     | 
| 288 | 
         
            +
                    avail_numel = full_single_fp32_vector.numel()
         
     | 
| 289 | 
         
            +
                    for name, shape in shapes.items():
         
     | 
| 290 | 
         
            +
             
     | 
| 291 | 
         
            +
                        unpartitioned_numel = shape.numel() if _has_callable(shape, 'numel') else math.prod(shape)
         
     | 
| 292 | 
         
            +
                        total_numel += unpartitioned_numel
         
     | 
| 293 | 
         
            +
                        total_params += 1
         
     | 
| 294 | 
         
            +
             
     | 
| 295 | 
         
            +
                        if debug:
         
     | 
| 296 | 
         
            +
                            print(f"{name} full shape: {shape} unpartitioned numel {unpartitioned_numel} ")
         
     | 
| 297 | 
         
            +
                        state_dict[name] = full_single_fp32_vector.narrow(0, offset, unpartitioned_numel).view(shape)
         
     | 
| 298 | 
         
            +
                        offset += unpartitioned_numel
         
     | 
| 299 | 
         
            +
             
     | 
| 300 | 
         
            +
                    # Z2 started to align to 2*world_size to improve nccl performance. Therefore both offset and
         
     | 
| 301 | 
         
            +
                    # avail_numel can differ by anywhere between 0..2*world_size. Due to two unrelated complex
         
     | 
| 302 | 
         
            +
                    # paddings performed in the code it's almost impossible to predict the exact numbers w/o the
         
     | 
| 303 | 
         
            +
                    # live optimizer object, so we are checking that the numbers are within the right range
         
     | 
| 304 | 
         
            +
                    align_to = 2 * world_size
         
     | 
| 305 | 
         
            +
             
     | 
| 306 | 
         
            +
                    def zero2_align(x):
         
     | 
| 307 | 
         
            +
                        return align_to * math.ceil(x / align_to)
         
     | 
| 308 | 
         
            +
             
     | 
| 309 | 
         
            +
                    if debug:
         
     | 
| 310 | 
         
            +
                        print(f"original offset={offset}, avail_numel={avail_numel}")
         
     | 
| 311 | 
         
            +
             
     | 
| 312 | 
         
            +
                    offset = zero2_align(offset)
         
     | 
| 313 | 
         
            +
                    avail_numel = zero2_align(avail_numel)
         
     | 
| 314 | 
         
            +
             
     | 
| 315 | 
         
            +
                    if debug:
         
     | 
| 316 | 
         
            +
                        print(f"aligned  offset={offset}, avail_numel={avail_numel}")
         
     | 
| 317 | 
         
            +
             
     | 
| 318 | 
         
            +
                    # Sanity check
         
     | 
| 319 | 
         
            +
                    if offset != avail_numel:
         
     | 
| 320 | 
         
            +
                        raise ValueError(f"consumed {offset} numels out of {avail_numel} - something is wrong")
         
     | 
| 321 | 
         
            +
             
     | 
| 322 | 
         
            +
                print(f"Reconstructed fp32 state dict with {total_params} params {total_numel} elements")
         
     | 
| 323 | 
         
            +
             
     | 
| 324 | 
         
            +
             
     | 
| 325 | 
         
            +
            def _get_fp32_state_dict_from_zero2_checkpoint(world_size, fp32_flat_groups, zero_model_states,
         
     | 
| 326 | 
         
            +
                                                           exclude_frozen_parameters):
         
     | 
| 327 | 
         
            +
                state_dict = OrderedDict()
         
     | 
| 328 | 
         
            +
             
     | 
| 329 | 
         
            +
                # buffers
         
     | 
| 330 | 
         
            +
                buffers = zero_model_states[0].buffers
         
     | 
| 331 | 
         
            +
                state_dict.update(buffers)
         
     | 
| 332 | 
         
            +
                if debug:
         
     | 
| 333 | 
         
            +
                    print(f"added {len(buffers)} buffers")
         
     | 
| 334 | 
         
            +
             
     | 
| 335 | 
         
            +
                if not exclude_frozen_parameters:
         
     | 
| 336 | 
         
            +
                    _zero2_merge_frozen_params(state_dict, zero_model_states)
         
     | 
| 337 | 
         
            +
             
     | 
| 338 | 
         
            +
                _zero2_merge_trainable_params(state_dict, world_size, fp32_flat_groups, zero_model_states)
         
     | 
| 339 | 
         
            +
             
     | 
| 340 | 
         
            +
                # recover shared parameters
         
     | 
| 341 | 
         
            +
                for pair in zero_model_states[0].shared_params:
         
     | 
| 342 | 
         
            +
                    if pair[1] in state_dict:
         
     | 
| 343 | 
         
            +
                        state_dict[pair[0]] = state_dict[pair[1]]
         
     | 
| 344 | 
         
            +
             
     | 
| 345 | 
         
            +
                return state_dict
         
     | 
| 346 | 
         
            +
             
     | 
| 347 | 
         
            +
             
     | 
| 348 | 
         
            +
            def zero3_partitioned_param_info(unpartitioned_numel, world_size):
         
     | 
| 349 | 
         
            +
                remainder = unpartitioned_numel % world_size
         
     | 
| 350 | 
         
            +
                padding_numel = (world_size - remainder) if remainder else 0
         
     | 
| 351 | 
         
            +
                partitioned_numel = math.ceil(unpartitioned_numel / world_size)
         
     | 
| 352 | 
         
            +
                return partitioned_numel, padding_numel
         
     | 
| 353 | 
         
            +
             
     | 
| 354 | 
         
            +
             
     | 
| 355 | 
         
            +
            def _zero3_merge_frozen_params(state_dict, world_size, zero_model_states):
         
     | 
| 356 | 
         
            +
                if zero_model_states[0].frozen_param_shapes is None or len(zero_model_states[0].frozen_param_shapes) == 0:
         
     | 
| 357 | 
         
            +
                    return
         
     | 
| 358 | 
         
            +
             
     | 
| 359 | 
         
            +
                if debug:
         
     | 
| 360 | 
         
            +
                    for i in range(world_size):
         
     | 
| 361 | 
         
            +
                        num_elem = sum(s.numel() for s in zero_model_states[i].frozen_param_fragments.values())
         
     | 
| 362 | 
         
            +
                        print(f'rank {i}: {FROZEN_PARAM_SHAPES}.numel = {num_elem}')
         
     | 
| 363 | 
         
            +
             
     | 
| 364 | 
         
            +
                    frozen_param_shapes = zero_model_states[0].frozen_param_shapes
         
     | 
| 365 | 
         
            +
                    wanted_params = len(frozen_param_shapes)
         
     | 
| 366 | 
         
            +
                    wanted_numel = sum(s.numel() for s in frozen_param_shapes.values())
         
     | 
| 367 | 
         
            +
                    avail_numel = sum([p.numel() for p in zero_model_states[0].frozen_param_fragments.values()]) * world_size
         
     | 
| 368 | 
         
            +
                    print(f'Frozen params: Have {avail_numel} numels to process.')
         
     | 
| 369 | 
         
            +
                    print(f'Frozen params: Need {wanted_numel} numels in {wanted_params} params')
         
     | 
| 370 | 
         
            +
             
     | 
| 371 | 
         
            +
                total_params = 0
         
     | 
| 372 | 
         
            +
                total_numel = 0
         
     | 
| 373 | 
         
            +
                for name, shape in zero_model_states[0].frozen_param_shapes.items():
         
     | 
| 374 | 
         
            +
                    total_params += 1
         
     | 
| 375 | 
         
            +
                    unpartitioned_numel = shape.numel()
         
     | 
| 376 | 
         
            +
                    total_numel += unpartitioned_numel
         
     | 
| 377 | 
         
            +
             
     | 
| 378 | 
         
            +
                    param_frags = tuple(model_state.frozen_param_fragments[name] for model_state in zero_model_states)
         
     | 
| 379 | 
         
            +
                    state_dict[name] = torch.cat(param_frags, 0).narrow(0, 0, unpartitioned_numel).view(shape)
         
     | 
| 380 | 
         
            +
             
     | 
| 381 | 
         
            +
                    partitioned_numel, partitioned_padding_numel = zero3_partitioned_param_info(unpartitioned_numel, world_size)
         
     | 
| 382 | 
         
            +
             
     | 
| 383 | 
         
            +
                    if debug:
         
     | 
| 384 | 
         
            +
                        print(
         
     | 
| 385 | 
         
            +
                            f"Frozen params: {total_params} {name} full shape: {shape} partition0 numel={partitioned_numel} partitioned_padding_numel={partitioned_padding_numel}"
         
     | 
| 386 | 
         
            +
                        )
         
     | 
| 387 | 
         
            +
             
     | 
| 388 | 
         
            +
                print(f"Reconstructed Frozen fp32 state dict with {total_params} params {total_numel} elements")
         
     | 
| 389 | 
         
            +
             
     | 
| 390 | 
         
            +
             
     | 
| 391 | 
         
            +
            class GatheredTensor:
         
     | 
| 392 | 
         
            +
                """
         
     | 
| 393 | 
         
            +
                A pseudo tensor that collects partitioned weights.
         
     | 
| 394 | 
         
            +
                It is more memory efficient when there are multiple groups.
         
     | 
| 395 | 
         
            +
                """
         
     | 
| 396 | 
         
            +
             
     | 
| 397 | 
         
            +
                def __init__(self, flat_groups, flat_groups_offset, offset, partitioned_numel, shape):
         
     | 
| 398 | 
         
            +
                    self.flat_groups = flat_groups
         
     | 
| 399 | 
         
            +
                    self.flat_groups_offset = flat_groups_offset
         
     | 
| 400 | 
         
            +
                    self.offset = offset
         
     | 
| 401 | 
         
            +
                    self.partitioned_numel = partitioned_numel
         
     | 
| 402 | 
         
            +
                    self.shape = shape
         
     | 
| 403 | 
         
            +
                    self.dtype = self.flat_groups[0][0].dtype
         
     | 
| 404 | 
         
            +
             
     | 
| 405 | 
         
            +
                def contiguous(self):
         
     | 
| 406 | 
         
            +
                    """
         
     | 
| 407 | 
         
            +
                    Merge partitioned weights from flat_groups into a single tensor.
         
     | 
| 408 | 
         
            +
                    """
         
     | 
| 409 | 
         
            +
                    end_idx = self.offset + self.partitioned_numel
         
     | 
| 410 | 
         
            +
                    world_size = len(self.flat_groups)
         
     | 
| 411 | 
         
            +
                    pad_flat_param_chunks = []
         
     | 
| 412 | 
         
            +
             
     | 
| 413 | 
         
            +
                    for rank_i in range(world_size):
         
     | 
| 414 | 
         
            +
                        # for each rank, we need to collect weights from related group/groups
         
     | 
| 415 | 
         
            +
                        flat_groups_at_rank_i = self.flat_groups[rank_i]
         
     | 
| 416 | 
         
            +
                        start_group_id = None
         
     | 
| 417 | 
         
            +
                        end_group_id = None
         
     | 
| 418 | 
         
            +
                        for group_id in range(len(self.flat_groups_offset)):
         
     | 
| 419 | 
         
            +
                            if self.flat_groups_offset[group_id] <= self.offset < self.flat_groups_offset[group_id + 1]:
         
     | 
| 420 | 
         
            +
                                start_group_id = group_id
         
     | 
| 421 | 
         
            +
                            if self.flat_groups_offset[group_id] < end_idx <= self.flat_groups_offset[group_id + 1]:
         
     | 
| 422 | 
         
            +
                                end_group_id = group_id
         
     | 
| 423 | 
         
            +
                                break
         
     | 
| 424 | 
         
            +
                        # collect weights from related group/groups
         
     | 
| 425 | 
         
            +
                        for group_id in range(start_group_id, end_group_id + 1):
         
     | 
| 426 | 
         
            +
                            flat_tensor = flat_groups_at_rank_i[group_id]
         
     | 
| 427 | 
         
            +
                            start_offset = self.offset - self.flat_groups_offset[group_id]
         
     | 
| 428 | 
         
            +
                            end_offset = min(end_idx, self.flat_groups_offset[group_id + 1]) - self.flat_groups_offset[group_id]
         
     | 
| 429 | 
         
            +
                            pad_flat_param_chunks.append(flat_tensor[start_offset:end_offset])
         
     | 
| 430 | 
         
            +
             
     | 
| 431 | 
         
            +
                    # collect weights from all ranks
         
     | 
| 432 | 
         
            +
                    pad_flat_param = torch.cat(pad_flat_param_chunks, dim=0)
         
     | 
| 433 | 
         
            +
                    param = pad_flat_param[:self.shape.numel()].view(self.shape).contiguous()
         
     | 
| 434 | 
         
            +
                    return param
         
     | 
| 435 | 
         
            +
             
     | 
| 436 | 
         
            +
             
     | 
| 437 | 
         
            +
            def _zero3_merge_trainable_params(state_dict, world_size, fp32_flat_groups, zero_model_states):
         
     | 
| 438 | 
         
            +
                param_shapes = zero_model_states[0].param_shapes
         
     | 
| 439 | 
         
            +
                avail_numel = sum([flat_group.numel() for flat_group in fp32_flat_groups[0]]) * world_size
         
     | 
| 440 | 
         
            +
             
     | 
| 441 | 
         
            +
                # Reconstruction protocol: For zero3 we need to zip the partitions together at boundary of each
         
     | 
| 442 | 
         
            +
                # param, re-consolidating each param, while dealing with padding if any
         
     | 
| 443 | 
         
            +
             
     | 
| 444 | 
         
            +
                # merge list of dicts, preserving order
         
     | 
| 445 | 
         
            +
                param_shapes = {k: v for d in param_shapes for k, v in d.items()}
         
     | 
| 446 | 
         
            +
             
     | 
| 447 | 
         
            +
                if debug:
         
     | 
| 448 | 
         
            +
                    for i in range(world_size):
         
     | 
| 449 | 
         
            +
                        print(f"{FP32_FLAT_GROUPS}[{i}].shape={fp32_flat_groups[i].shape}")
         
     | 
| 450 | 
         
            +
             
     | 
| 451 | 
         
            +
                    wanted_params = len(param_shapes)
         
     | 
| 452 | 
         
            +
                    wanted_numel = sum(shape.numel() for shape in param_shapes.values())
         
     | 
| 453 | 
         
            +
                    # not asserting if there is a mismatch due to possible padding
         
     | 
| 454 | 
         
            +
                    avail_numel = fp32_flat_groups[0].numel() * world_size
         
     | 
| 455 | 
         
            +
                    print(f"Trainable params: Have {avail_numel} numels to process.")
         
     | 
| 456 | 
         
            +
                    print(f"Trainable params: Need {wanted_numel} numels in {wanted_params} params.")
         
     | 
| 457 | 
         
            +
             
     | 
| 458 | 
         
            +
                # params
         
     | 
| 459 | 
         
            +
                # XXX: for huge models that can't fit into the host's RAM we will have to recode this to support
         
     | 
| 460 | 
         
            +
                # out-of-core computing solution
         
     | 
| 461 | 
         
            +
                offset = 0
         
     | 
| 462 | 
         
            +
                total_numel = 0
         
     | 
| 463 | 
         
            +
                total_params = 0
         
     | 
| 464 | 
         
            +
                flat_groups_offset = [0] + list(np.cumsum([flat_tensor.numel() for flat_tensor in fp32_flat_groups[0]]))
         
     | 
| 465 | 
         
            +
                for name, shape in tqdm(param_shapes.items(), desc='Gathering sharded weights'):
         
     | 
| 466 | 
         
            +
                    unpartitioned_numel = shape.numel()
         
     | 
| 467 | 
         
            +
                    total_numel += unpartitioned_numel
         
     | 
| 468 | 
         
            +
                    total_params += 1
         
     | 
| 469 | 
         
            +
                    partitioned_numel, partitioned_padding_numel = zero3_partitioned_param_info(unpartitioned_numel, world_size)
         
     | 
| 470 | 
         
            +
             
     | 
| 471 | 
         
            +
                    if debug:
         
     | 
| 472 | 
         
            +
                        print(
         
     | 
| 473 | 
         
            +
                            f"Trainable params: {total_params} {name} full shape: {shape} partition0 numel={partitioned_numel} partitioned_padding_numel={partitioned_padding_numel}"
         
     | 
| 474 | 
         
            +
                        )
         
     | 
| 475 | 
         
            +
             
     | 
| 476 | 
         
            +
                    # memory efficient tensor
         
     | 
| 477 | 
         
            +
                    tensor = GatheredTensor(fp32_flat_groups, flat_groups_offset, offset, partitioned_numel, shape)
         
     | 
| 478 | 
         
            +
                    state_dict[name] = tensor
         
     | 
| 479 | 
         
            +
                    offset += partitioned_numel
         
     | 
| 480 | 
         
            +
             
     | 
| 481 | 
         
            +
                offset *= world_size
         
     | 
| 482 | 
         
            +
             
     | 
| 483 | 
         
            +
                # Sanity check
         
     | 
| 484 | 
         
            +
                if offset != avail_numel:
         
     | 
| 485 | 
         
            +
                    raise ValueError(f"consumed {offset} numels out of {avail_numel} - something is wrong")
         
     | 
| 486 | 
         
            +
             
     | 
| 487 | 
         
            +
                print(f"Reconstructed Trainable fp32 state dict with {total_params} params {total_numel} elements")
         
     | 
| 488 | 
         
            +
             
     | 
| 489 | 
         
            +
             
     | 
| 490 | 
         
            +
            def _get_fp32_state_dict_from_zero3_checkpoint(world_size, fp32_flat_groups, zero_model_states,
         
     | 
| 491 | 
         
            +
                                                           exclude_frozen_parameters):
         
     | 
| 492 | 
         
            +
                state_dict = OrderedDict()
         
     | 
| 493 | 
         
            +
             
     | 
| 494 | 
         
            +
                # buffers
         
     | 
| 495 | 
         
            +
                buffers = zero_model_states[0].buffers
         
     | 
| 496 | 
         
            +
                state_dict.update(buffers)
         
     | 
| 497 | 
         
            +
                if debug:
         
     | 
| 498 | 
         
            +
                    print(f"added {len(buffers)} buffers")
         
     | 
| 499 | 
         
            +
             
     | 
| 500 | 
         
            +
                if not exclude_frozen_parameters:
         
     | 
| 501 | 
         
            +
                    _zero3_merge_frozen_params(state_dict, world_size, zero_model_states)
         
     | 
| 502 | 
         
            +
             
     | 
| 503 | 
         
            +
                _zero3_merge_trainable_params(state_dict, world_size, fp32_flat_groups, zero_model_states)
         
     | 
| 504 | 
         
            +
             
     | 
| 505 | 
         
            +
                # recover shared parameters
         
     | 
| 506 | 
         
            +
                for pair in zero_model_states[0].shared_params:
         
     | 
| 507 | 
         
            +
                    if pair[1] in state_dict:
         
     | 
| 508 | 
         
            +
                        state_dict[pair[0]] = state_dict[pair[1]]
         
     | 
| 509 | 
         
            +
             
     | 
| 510 | 
         
            +
                return state_dict
         
     | 
| 511 | 
         
            +
             
     | 
| 512 | 
         
            +
             
     | 
| 513 | 
         
            +
            def to_torch_tensor(state_dict, return_empty_tensor=False):
         
     | 
| 514 | 
         
            +
                """
         
     | 
| 515 | 
         
            +
                Convert state_dict of GatheredTensor to torch tensor
         
     | 
| 516 | 
         
            +
                """
         
     | 
| 517 | 
         
            +
                torch_state_dict = {}
         
     | 
| 518 | 
         
            +
                converted_tensors = {}
         
     | 
| 519 | 
         
            +
                for name, tensor in state_dict.items():
         
     | 
| 520 | 
         
            +
                    tensor_id = id(tensor)
         
     | 
| 521 | 
         
            +
                    if tensor_id in converted_tensors:  # shared tensors
         
     | 
| 522 | 
         
            +
                        shared_tensor = torch_state_dict[converted_tensors[tensor_id]]
         
     | 
| 523 | 
         
            +
                        torch_state_dict[name] = shared_tensor
         
     | 
| 524 | 
         
            +
                    else:
         
     | 
| 525 | 
         
            +
                        converted_tensors[tensor_id] = name
         
     | 
| 526 | 
         
            +
                        if return_empty_tensor:
         
     | 
| 527 | 
         
            +
                            torch_state_dict[name] = torch.empty(tensor.shape, dtype=tensor.dtype)
         
     | 
| 528 | 
         
            +
                        else:
         
     | 
| 529 | 
         
            +
                            torch_state_dict[name] = tensor.contiguous()
         
     | 
| 530 | 
         
            +
                return torch_state_dict
         
     | 
| 531 | 
         
            +
             
     | 
| 532 | 
         
            +
             
     | 
| 533 | 
         
            +
            def get_fp32_state_dict_from_zero_checkpoint(checkpoint_dir,
         
     | 
| 534 | 
         
            +
                                                         tag=None,
         
     | 
| 535 | 
         
            +
                                                         exclude_frozen_parameters=False,
         
     | 
| 536 | 
         
            +
                                                         lazy_mode=False):
         
     | 
| 537 | 
         
            +
                """
         
     | 
| 538 | 
         
            +
                Convert ZeRO 2 or 3 checkpoint into a single fp32 consolidated state_dict that can be loaded with
         
     | 
| 539 | 
         
            +
                ``load_state_dict()`` and used for training without DeepSpeed or shared with others, for example
         
     | 
| 540 | 
         
            +
                via a model hub.
         
     | 
| 541 | 
         
            +
             
     | 
| 542 | 
         
            +
                Args:
         
     | 
| 543 | 
         
            +
                    - ``checkpoint_dir``: path to the desired checkpoint folder
         
     | 
| 544 | 
         
            +
                    - ``tag``: checkpoint tag used as a unique identifier for checkpoint. If not provided will attempt to load tag in 'latest' file. e.g., ``global_step14``
         
     | 
| 545 | 
         
            +
                    - ``exclude_frozen_parameters``: exclude frozen parameters
         
     | 
| 546 | 
         
            +
                    - ``lazy_mode``: get state_dict in lazy mode. It returns a dict of pesduo tensor instead of torch tensor, which is more memory efficient.
         
     | 
| 547 | 
         
            +
                      Convert the pesduo tensor to torch tensor by ``.contiguous()``
         
     | 
| 548 | 
         
            +
             
     | 
| 549 | 
         
            +
                Returns:
         
     | 
| 550 | 
         
            +
                    - pytorch ``state_dict``
         
     | 
| 551 | 
         
            +
             
     | 
| 552 | 
         
            +
                A typical usage might be ::
         
     | 
| 553 | 
         
            +
             
     | 
| 554 | 
         
            +
                    from deepspeed.utils.zero_to_fp32 import get_fp32_state_dict_from_zero_checkpoint
         
     | 
| 555 | 
         
            +
                    # do the training and checkpoint saving
         
     | 
| 556 | 
         
            +
                    state_dict = get_fp32_state_dict_from_zero_checkpoint(checkpoint_dir) # already on cpu
         
     | 
| 557 | 
         
            +
                    model = model.cpu() # move to cpu
         
     | 
| 558 | 
         
            +
                    model.load_state_dict(state_dict)
         
     | 
| 559 | 
         
            +
                    # submit to model hub or save the model to share with others
         
     | 
| 560 | 
         
            +
             
     | 
| 561 | 
         
            +
                In this example the ``model`` will no longer be usable in the deepspeed context of the same
         
     | 
| 562 | 
         
            +
                application. i.e. you will need to re-initialize the deepspeed engine, since
         
     | 
| 563 | 
         
            +
                ``model.load_state_dict(state_dict)`` will remove all the deepspeed magic from it.
         
     | 
| 564 | 
         
            +
             
     | 
| 565 | 
         
            +
                If you want it all done for you, use ``load_state_dict_from_zero_checkpoint`` instead.
         
     | 
| 566 | 
         
            +
             
     | 
| 567 | 
         
            +
                Note: the above usage may not work if your application doesn't have sufficient free CPU memory.
         
     | 
| 568 | 
         
            +
                You may need to use the offline approach using the ``zero_to_fp32.py`` script that is saved with
         
     | 
| 569 | 
         
            +
                the checkpoint. Or you can load state_dict in lazy mode ::
         
     | 
| 570 | 
         
            +
             
     | 
| 571 | 
         
            +
                    from deepspeed.utils.zero_to_fp32 import get_fp32_state_dict_from_zero_checkpoint
         
     | 
| 572 | 
         
            +
                    state_dict = get_fp32_state_dict_from_zero_checkpoint(checkpoint_dir, lazy_mode=True) # not on cpu
         
     | 
| 573 | 
         
            +
                    for name, lazy_tensor in state_dict.item():
         
     | 
| 574 | 
         
            +
                        tensor = lazy_tensor.contiguous()  # to cpu
         
     | 
| 575 | 
         
            +
                        print(name, tensor)
         
     | 
| 576 | 
         
            +
                        # del tensor to release memory if it no longer in use
         
     | 
| 577 | 
         
            +
                """
         
     | 
| 578 | 
         
            +
                if tag is None:
         
     | 
| 579 | 
         
            +
                    latest_path = os.path.join(checkpoint_dir, 'latest')
         
     | 
| 580 | 
         
            +
                    if os.path.isfile(latest_path):
         
     | 
| 581 | 
         
            +
                        with open(latest_path, 'r') as fd:
         
     | 
| 582 | 
         
            +
                            tag = fd.read().strip()
         
     | 
| 583 | 
         
            +
                    else:
         
     | 
| 584 | 
         
            +
                        raise ValueError(f"Unable to find 'latest' file at {latest_path}")
         
     | 
| 585 | 
         
            +
             
     | 
| 586 | 
         
            +
                ds_checkpoint_dir = os.path.join(checkpoint_dir, tag)
         
     | 
| 587 | 
         
            +
             
     | 
| 588 | 
         
            +
                if not os.path.isdir(ds_checkpoint_dir):
         
     | 
| 589 | 
         
            +
                    raise FileNotFoundError(f"Directory '{ds_checkpoint_dir}' doesn't exist")
         
     | 
| 590 | 
         
            +
             
     | 
| 591 | 
         
            +
                state_dict = _get_fp32_state_dict_from_zero_checkpoint(ds_checkpoint_dir, exclude_frozen_parameters)
         
     | 
| 592 | 
         
            +
                if lazy_mode:
         
     | 
| 593 | 
         
            +
                    return state_dict
         
     | 
| 594 | 
         
            +
                else:
         
     | 
| 595 | 
         
            +
                    return to_torch_tensor(state_dict)
         
     | 
| 596 | 
         
            +
             
     | 
| 597 | 
         
            +
             
     | 
| 598 | 
         
            +
            def convert_zero_checkpoint_to_fp32_state_dict(checkpoint_dir,
         
     | 
| 599 | 
         
            +
                                                           output_dir,
         
     | 
| 600 | 
         
            +
                                                           max_shard_size="5GB",
         
     | 
| 601 | 
         
            +
                                                           safe_serialization=False,
         
     | 
| 602 | 
         
            +
                                                           tag=None,
         
     | 
| 603 | 
         
            +
                                                           exclude_frozen_parameters=False):
         
     | 
| 604 | 
         
            +
                """
         
     | 
| 605 | 
         
            +
                Convert ZeRO 2 or 3 checkpoint into a single fp32 consolidated ``state_dict`` file that can be
         
     | 
| 606 | 
         
            +
                loaded with ``torch.load(file)`` + ``load_state_dict()`` and used for training without DeepSpeed.
         
     | 
| 607 | 
         
            +
             
     | 
| 608 | 
         
            +
                Args:
         
     | 
| 609 | 
         
            +
                    - ``checkpoint_dir``: path to the desired checkpoint folder. (one that contains the tag-folder, like ``global_step14``)
         
     | 
| 610 | 
         
            +
                    - ``output_dir``: directory to the pytorch fp32 state_dict output files
         
     | 
| 611 | 
         
            +
                    - ``max_shard_size``: the maximum size for a checkpoint before being sharded, default value is 5GB
         
     | 
| 612 | 
         
            +
                    - ``safe_serialization``:  whether to save the model using `safetensors` or the traditional PyTorch way (that uses `pickle`).
         
     | 
| 613 | 
         
            +
                    - ``tag``: checkpoint tag used as a unique identifier for checkpoint. If not provided will attempt to load tag in the file named ``latest`` in the checkpoint folder, e.g., ``global_step14``
         
     | 
| 614 | 
         
            +
                    - ``exclude_frozen_parameters``: exclude frozen parameters
         
     | 
| 615 | 
         
            +
                """
         
     | 
| 616 | 
         
            +
             
     | 
| 617 | 
         
            +
                # Dependency pre-check
         
     | 
| 618 | 
         
            +
                if safe_serialization:
         
     | 
| 619 | 
         
            +
                    try:
         
     | 
| 620 | 
         
            +
                        from safetensors.torch import save_file
         
     | 
| 621 | 
         
            +
                    except ImportError:
         
     | 
| 622 | 
         
            +
                        print('If you want to use `safe_serialization`, please `pip install safetensors`')
         
     | 
| 623 | 
         
            +
                        raise
         
     | 
| 624 | 
         
            +
                if max_shard_size is not None:
         
     | 
| 625 | 
         
            +
                    try:
         
     | 
| 626 | 
         
            +
                        from huggingface_hub import split_torch_state_dict_into_shards
         
     | 
| 627 | 
         
            +
                    except ImportError:
         
     | 
| 628 | 
         
            +
                        print('If you want to use `max_shard_size`, please `pip install huggingface_hub`')
         
     | 
| 629 | 
         
            +
                        raise
         
     | 
| 630 | 
         
            +
             
     | 
| 631 | 
         
            +
                # Convert zero checkpoint to state_dict
         
     | 
| 632 | 
         
            +
                state_dict = get_fp32_state_dict_from_zero_checkpoint(checkpoint_dir,
         
     | 
| 633 | 
         
            +
                                                                      tag,
         
     | 
| 634 | 
         
            +
                                                                      exclude_frozen_parameters,
         
     | 
| 635 | 
         
            +
                                                                      lazy_mode=True)
         
     | 
| 636 | 
         
            +
             
     | 
| 637 | 
         
            +
                # Shard the model if it is too big.
         
     | 
| 638 | 
         
            +
                weights_name = "model.safetensors" if safe_serialization else "pytorch_model.bin"
         
     | 
| 639 | 
         
            +
                if max_shard_size is not None:
         
     | 
| 640 | 
         
            +
                    filename_pattern = weights_name.replace(".bin", "{suffix}.bin").replace(".safetensors", "{suffix}.safetensors")
         
     | 
| 641 | 
         
            +
                    # an memory-efficient approach for sharding
         
     | 
| 642 | 
         
            +
                    empty_state_dict = to_torch_tensor(state_dict, return_empty_tensor=True)
         
     | 
| 643 | 
         
            +
                    state_dict_split = split_torch_state_dict_into_shards(empty_state_dict,
         
     | 
| 644 | 
         
            +
                                                                          filename_pattern=filename_pattern,
         
     | 
| 645 | 
         
            +
                                                                          max_shard_size=max_shard_size)
         
     | 
| 646 | 
         
            +
                else:
         
     | 
| 647 | 
         
            +
                    from collections import namedtuple
         
     | 
| 648 | 
         
            +
                    StateDictSplit = namedtuple("StateDictSplit", ["is_sharded", "filename_to_tensors"])
         
     | 
| 649 | 
         
            +
                    state_dict_split = StateDictSplit(is_sharded=False,
         
     | 
| 650 | 
         
            +
                                                      filename_to_tensors={weights_name: list(state_dict.keys())})
         
     | 
| 651 | 
         
            +
             
     | 
| 652 | 
         
            +
                # Save the model by shard
         
     | 
| 653 | 
         
            +
                os.makedirs(output_dir, exist_ok=True)
         
     | 
| 654 | 
         
            +
                filename_to_tensors = state_dict_split.filename_to_tensors.items()
         
     | 
| 655 | 
         
            +
                for shard_file, tensors in tqdm(filename_to_tensors, desc="Saving checkpoint shards"):
         
     | 
| 656 | 
         
            +
                    shard_state_dict = {tensor_name: state_dict[tensor_name] for tensor_name in tensors}
         
     | 
| 657 | 
         
            +
                    shard_state_dict = to_torch_tensor(shard_state_dict)
         
     | 
| 658 | 
         
            +
                    output_path = os.path.join(output_dir, shard_file)
         
     | 
| 659 | 
         
            +
                    if safe_serialization:
         
     | 
| 660 | 
         
            +
                        save_file(shard_state_dict, output_path, metadata={"format": "pt"})
         
     | 
| 661 | 
         
            +
                    else:
         
     | 
| 662 | 
         
            +
                        torch.save(shard_state_dict, output_path)
         
     | 
| 663 | 
         
            +
                    # release the memory of current shard
         
     | 
| 664 | 
         
            +
                    for tensor_name in list(shard_state_dict.keys()):
         
     | 
| 665 | 
         
            +
                        del state_dict[tensor_name]
         
     | 
| 666 | 
         
            +
                        del shard_state_dict[tensor_name]
         
     | 
| 667 | 
         
            +
                    del shard_state_dict
         
     | 
| 668 | 
         
            +
                    gc.collect()
         
     | 
| 669 | 
         
            +
             
     | 
| 670 | 
         
            +
                # Save index if sharded
         
     | 
| 671 | 
         
            +
                if state_dict_split.is_sharded:
         
     | 
| 672 | 
         
            +
                    index = {
         
     | 
| 673 | 
         
            +
                        "metadata": state_dict_split.metadata,
         
     | 
| 674 | 
         
            +
                        "weight_map": state_dict_split.tensor_to_filename,
         
     | 
| 675 | 
         
            +
                    }
         
     | 
| 676 | 
         
            +
                    save_index_file = "model.safetensors.index.json" if safe_serialization else "pytorch_model.bin.index.json"
         
     | 
| 677 | 
         
            +
                    save_index_file = os.path.join(output_dir, save_index_file)
         
     | 
| 678 | 
         
            +
                    with open(save_index_file, "w", encoding="utf-8") as f:
         
     | 
| 679 | 
         
            +
                        content = json.dumps(index, indent=2, sort_keys=True) + "\n"
         
     | 
| 680 | 
         
            +
                        f.write(content)
         
     | 
| 681 | 
         
            +
             
     | 
| 682 | 
         
            +
             
     | 
| 683 | 
         
            +
            def load_state_dict_from_zero_checkpoint(model, checkpoint_dir, tag=None):
         
     | 
| 684 | 
         
            +
                """
         
     | 
| 685 | 
         
            +
                1. Put the provided model to cpu
         
     | 
| 686 | 
         
            +
                2. Convert ZeRO 2 or 3 checkpoint into a single fp32 consolidated ``state_dict``
         
     | 
| 687 | 
         
            +
                3. Load it into the provided model
         
     | 
| 688 | 
         
            +
             
     | 
| 689 | 
         
            +
                Args:
         
     | 
| 690 | 
         
            +
                    - ``model``: the model object to update
         
     | 
| 691 | 
         
            +
                    - ``checkpoint_dir``: path to the desired checkpoint folder. (one that contains the tag-folder, like ``global_step14``)
         
     | 
| 692 | 
         
            +
                    - ``tag``: checkpoint tag used as a unique identifier for checkpoint. If not provided will attempt to load tag in the file named ``latest`` in the checkpoint folder, e.g., ``global_step14``
         
     | 
| 693 | 
         
            +
             
     | 
| 694 | 
         
            +
                Returns:
         
     | 
| 695 | 
         
            +
                    - ``model`: modified model
         
     | 
| 696 | 
         
            +
             
     | 
| 697 | 
         
            +
                Make sure you have plenty of CPU memory available before you call this function. If you don't
         
     | 
| 698 | 
         
            +
                have enough use the ``zero_to_fp32.py`` utility to do the conversion. You will find it
         
     | 
| 699 | 
         
            +
                conveniently placed for you in the checkpoint folder.
         
     | 
| 700 | 
         
            +
             
     | 
| 701 | 
         
            +
                A typical usage might be ::
         
     | 
| 702 | 
         
            +
             
     | 
| 703 | 
         
            +
                    from deepspeed.utils.zero_to_fp32 import load_state_dict_from_zero_checkpoint
         
     | 
| 704 | 
         
            +
                    model = load_state_dict_from_zero_checkpoint(trainer.model, checkpoint_dir)
         
     | 
| 705 | 
         
            +
                    # submit to model hub or save the model to share with others
         
     | 
| 706 | 
         
            +
             
     | 
| 707 | 
         
            +
                Note, that once this was run, the ``model`` will no longer be usable in the deepspeed context
         
     | 
| 708 | 
         
            +
                of the same application. i.e. you will need to re-initialize the deepspeed engine, since
         
     | 
| 709 | 
         
            +
                ``model.load_state_dict(state_dict)`` will remove all the deepspeed magic from it.
         
     | 
| 710 | 
         
            +
             
     | 
| 711 | 
         
            +
                """
         
     | 
| 712 | 
         
            +
                logger.info(f"Extracting fp32 weights")
         
     | 
| 713 | 
         
            +
                state_dict = get_fp32_state_dict_from_zero_checkpoint(checkpoint_dir, tag)
         
     | 
| 714 | 
         
            +
             
     | 
| 715 | 
         
            +
                logger.info(f"Overwriting model with fp32 weights")
         
     | 
| 716 | 
         
            +
                model = model.cpu()
         
     | 
| 717 | 
         
            +
                model.load_state_dict(state_dict, strict=False)
         
     | 
| 718 | 
         
            +
             
     | 
| 719 | 
         
            +
                return model
         
     | 
| 720 | 
         
            +
             
     | 
| 721 | 
         
            +
             
     | 
| 722 | 
         
            +
            if __name__ == "__main__":
         
     | 
| 723 | 
         
            +
                parser = argparse.ArgumentParser()
         
     | 
| 724 | 
         
            +
                parser.add_argument("checkpoint_dir",
         
     | 
| 725 | 
         
            +
                                    type=str,
         
     | 
| 726 | 
         
            +
                                    help="path to the desired checkpoint folder, e.g., path/checkpoint-12")
         
     | 
| 727 | 
         
            +
                parser.add_argument("output_dir",
         
     | 
| 728 | 
         
            +
                                    type=str,
         
     | 
| 729 | 
         
            +
                                    help="directory to the pytorch fp32 state_dict output files"
         
     | 
| 730 | 
         
            +
                                    "(e.g. path/checkpoint-12-output/)")
         
     | 
| 731 | 
         
            +
                parser.add_argument(
         
     | 
| 732 | 
         
            +
                    "--max_shard_size",
         
     | 
| 733 | 
         
            +
                    type=str,
         
     | 
| 734 | 
         
            +
                    default="5GB",
         
     | 
| 735 | 
         
            +
                    help="The maximum size for a checkpoint before being sharded. Checkpoints shard will then be each of size"
         
     | 
| 736 | 
         
            +
                    "lower than this size. If expressed as a string, needs to be digits followed by a unit (like `5MB`"
         
     | 
| 737 | 
         
            +
                    "We default it to 5GB in order for models to be able to run easily on free-tier google colab instances"
         
     | 
| 738 | 
         
            +
                    "without CPU OOM issues.")
         
     | 
| 739 | 
         
            +
                parser.add_argument(
         
     | 
| 740 | 
         
            +
                    "--safe_serialization",
         
     | 
| 741 | 
         
            +
                    default=False,
         
     | 
| 742 | 
         
            +
                    action='store_true',
         
     | 
| 743 | 
         
            +
                    help="Whether to save the model using `safetensors` or the traditional PyTorch way (that uses `pickle`).")
         
     | 
| 744 | 
         
            +
                parser.add_argument("-t",
         
     | 
| 745 | 
         
            +
                                    "--tag",
         
     | 
| 746 | 
         
            +
                                    type=str,
         
     | 
| 747 | 
         
            +
                                    default=None,
         
     | 
| 748 | 
         
            +
                                    help="checkpoint tag used as a unique identifier for checkpoint. e.g., global_step1")
         
     | 
| 749 | 
         
            +
                parser.add_argument("--exclude_frozen_parameters", action='store_true', help="exclude frozen parameters")
         
     | 
| 750 | 
         
            +
                parser.add_argument("-d", "--debug", action='store_true', help="enable debug")
         
     | 
| 751 | 
         
            +
                args = parser.parse_args()
         
     | 
| 752 | 
         
            +
             
     | 
| 753 | 
         
            +
                debug = args.debug
         
     | 
| 754 | 
         
            +
             
     | 
| 755 | 
         
            +
                convert_zero_checkpoint_to_fp32_state_dict(args.checkpoint_dir,
         
     | 
| 756 | 
         
            +
                                                           args.output_dir,
         
     | 
| 757 | 
         
            +
                                                           max_shard_size=args.max_shard_size,
         
     | 
| 758 | 
         
            +
                                                           safe_serialization=args.safe_serialization,
         
     | 
| 759 | 
         
            +
                                                           tag=args.tag,
         
     | 
| 760 | 
         
            +
                                                           exclude_frozen_parameters=args.exclude_frozen_parameters)
         
     |