DDalphaAMG for Twisted Mass Fermions
  We present the Adaptive Aggregation-based Domain Decomposition Multigrid method extended to the twisted mass fermion discretization action. We show comparisons of results as a function of tuning the parameters that enter the twisted mass version of the DDalphaAMG library (https://github.com/sbacchio/DDalphaAMG). Moreover, we linked the DDalphaAMG library to the tmLQCD software package and give details on the performance of the multigrid solver during HMC simulations at the physical point. 
Simone Bacchio, Costantia Alexandrou, Jacob Finkenrath, Andreas   Frommer, Karsten Kahl and Matthias Rottmann
hep-lat