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yoctoyotta1024 / CLEO

Clara Bayley's version of the superdroplet model. CLEO, short for Cleopatra and CLEO = Clouds in a Lagrangian Exascale mOdel
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Point to point superdroplet exchanges #105

Closed wiltonloch closed 3 days ago

wiltonloch commented 2 months ago

Depends on #103.

Replaces the superdroplet data exchange Alltoall MPI calls by individual Isend and Irecv calls.

Time-to-solution improvements are roughly around 4% for 32 processes and 14% for 64 processes. Improvements should grow at least with the number of processes and number of time steps.