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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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10
applications/test/Tuple2/Test-Tuple2.C
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@ -39,7 +39,7 @@ Description
#include "List.H"
#include "ListOps.H"
#include "ops.H"
#include "PstreamCombineReduceOps.H"
#include "Pstream.H"
#include <functional>
using namespace Foam;
@ -138,8 +138,8 @@ int main()
maxFirstEqOp<label>()(maxIndexed, item);
}
Foam::combineReduce(minIndexed, minFirstEqOp<label>());
Foam::combineReduce(maxIndexed, maxFirstEqOp<label>());
Pstream::combineAllGather(minIndexed, minFirstEqOp<label>());
Pstream::combineAllGather(maxIndexed, maxFirstEqOp<label>());
Info<< "Min indexed: " << minIndexed << nl
<< "Max indexed: " << maxIndexed << nl;
@ -156,8 +156,8 @@ int main()
maxIndexed = maxFirstOp<label>()(maxIndexed, item);
}
Foam::combineReduce(minIndexed, minFirstEqOp<label>());
Foam::combineReduce(maxIndexed, maxFirstEqOp<label>());
Pstream::combineAllGather(minIndexed, minFirstEqOp<label>());
Pstream::combineAllGather(maxIndexed, maxFirstEqOp<label>());
Info<< "Min indexed: " << minIndexed << nl
<< "Max indexed: " << maxIndexed << nl;