The supported base CPC functions for z/VSE, z/TPF, and Linux on Z are listed in Table 7-4. Function a z/VSE V6R2 z/VSE V6R1 z/VSE V5R2 z/TPF V1R1 Linux  on Z b z14 ZR1 servers Y Y Y Y Y Maximum processor unit (PUs) per system image 10 10 10 86 c 170 d,c Maximum main storage size e 32 GB 32 GB 32 GB 4 TB 16 TB f 40 LPARs Y Y Y Y Y Separate LPAR management of PUs Y Y Y Y Y Dynamic PU add Y Y Y N Y Dynamic LPAR memory upgrade N N N N Y LPAR group absolute capping Y Y Y N N Capacity Provisioning Manager - - - - - Program-directed re-IPL Y g Y g Y g NY HiperDispatch N N N N h Y IBM Z Integrated Information Processors (zIIPs) N N N N N Transactional Execution N N N N Y Java Exploitation of Transactional Execution N N N N Y Simultaneous multithreading (SMT) N N N N Y Single Instruction Multiple Data (SIMD) Y N N N Y Hardware decimal floating point i N N N N Y 2 GB large page support N N N Y Y Large page (1 MB) support Y j Y j Y j YY Out-of-order execution Y Y Y Y Y CPUMF (CPU measurement facility) for z14 ZR1 N N N Y N k Enhanced flexibility for CoD N N N N h N IBM Virtual Flash Memory (VFM) N N N N Y 1 MB pageable large pages l N N N N N Guarded Storage Facility (GSF) N N N N Y Instruction Execution Protection (IEP) N N N N Y Co-processor Compression Enhancements N N N N N Table 7-4 Supported base CPC functions for z/VSE, z/TPF, and Linux on Z a. PTFs might be required for toleration support or use of z14 ZR1 features and functions. b. Support statement varies based on Linux on Z distribution and release. c. z14 ZR1 supports up to 6 CPs and up to 30 IFLs. d. For SLES12/RHEL7/Ubuntu 16.10, Linux supports 256 cores without SMT and 128 cores with  SMT (=256 threads). e. A total of 8 TB of real storage is supported per server. f. Linux on Z releases can support up to 64 TB of memory. 216  IBM 14 Model ZR1 Technical Guide