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ENH: use mpi gather for list values in a few places

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- avoid gatherList/scatterList when value are only need on master
This commit is contained in:
Mark Olesen
2022-02-25 17:42:57 +01:00
committed by Andrew Heather
parent c086f22298
commit af8161925b
9 changed files with 180 additions and 199 deletions
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12
applications/utilities/parallelProcessing/redistributePar/redistributePar.C
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@ -261,15 +261,17 @@ boolList haveFacesFile(const fileName& meshPath)
{
const fileName facesPath(meshPath/"faces");
Info<< "Checking for mesh in " << facesPath << nl << endl;
boolList haveMesh(Pstream::nProcs(), false);
haveMesh[Pstream::myProcNo()] = fileHandler().isFile
boolList haveMesh
(
fileHandler().filePath(facesPath)
UPstream::listGatherValues<bool>
(
fileHandler().isFile(fileHandler().filePath(facesPath))
)
);
Pstream::gatherList(haveMesh);
Pstream::scatterList(haveMesh);
Info<< "Per processor mesh availability:" << nl
<< " " << flatOutput(haveMesh) << nl << endl;
Pstream::broadcast(haveMesh);
return haveMesh;
}