pmodels / armci-mpi

An implementation of ARMCI using MPI one-sided communication (RMA)
https://wiki.mpich.org/armci-mpi/index.php/Main_Page
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use dynamic windows #17

Open jeffhammond opened 6 years ago

jeffhammond commented 6 years ago

Dynamic windows have well-known performance shortcomings in some cases but would allow us to reduce most of GMR to O(1) instead of the current O(num_allocs).

Migrated from https://github.com/jeffhammond/armci-mpi/issues/20