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ENH: bundle Pstream:: AllGather methods

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- bundles frequently used 'gather/scatter' patterns more consistently.

  - combineAllGather     -> combineGather + broadcast
  - listCombineAllGather -> listCombineGather + broadcast
  - mapCombineAllGather  -> mapCombineGather + broadcast
  - allGatherList        -> gatherList + scatterList
  - reduce               -> gather + broadcast (ie, allreduce)

- The allGatherList currently wraps gatherList/scatterList, but may be
  replaced with a different algorithm in the future.

STYLE: PstreamCombineReduceOps.H is mostly unneeded now
This commit is contained in:
Mark Olesen
2022-03-28 16:30:51 +02:00
parent e98acdc4fc
commit d38de84d21
105 changed files with 935 additions and 605 deletions
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7
src/functionObjects/utilities/areaWrite/areaWrite.C
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@ -266,11 +266,8 @@ bool Foam::areaWrite::write()
selected = areaMesh.thisDb().classes(fieldSelection_);
}
if (Pstream::parRun())
{
Pstream::mapCombineGather(selected, HashSetOps::plusEqOp<word>());
Pstream::broadcast(selected);
}
// Parallel consistency (no-op in serial)
Pstream::mapCombineAllGather(selected, HashSetOps::plusEqOp<word>());
missed.clear();