Add an implementation of ParticleCopyPlan::doHandShake that uses one-sided communication from MPI-3#5227
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atmyers wants to merge 3 commits intoAMReX-Codes:developmentfrom
Open
Add an implementation of ParticleCopyPlan::doHandShake that uses one-sided communication from MPI-3#5227atmyers wants to merge 3 commits intoAMReX-Codes:developmentfrom
atmyers wants to merge 3 commits intoAMReX-Codes:developmentfrom
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This is one of the possible optimizations raised in Issue #4179.
This passes my tests locally. I have not yet checked for performance improvements. One-sided comms are off by default.
The proposed changes: