MPICH 4.1b1 released

A new beta release of MPICH, 4.1b1, is now available for download. This is the first feature-complete release in the 4.1 series. Major features in this release include:
  • Standalone libpmi
  • Independent use of MPICH testsuite
  • Experimental MPIX stream prototypes to support explicit threading context and asynchronous enqueue to GPU streams. Both CUDA and HIP are supported.
  • Significant refactor in PMI and Hydra
The full set of changes since 4.0.3 can be found here:…v4.1b1
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