zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ENH: use non-blocking comms

Browse Source
This commit is contained in:
mattijs
2010-03-01 14:51:54 +00:00
parent 27634a044e
commit 45fdd0e573
2 changed files with 17 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
src/OpenFOAM/algorithms/MeshWave/FaceCellWave.C
View File

@ -466,40 +466,6 @@ void Foam::FaceCellWave<Type>::transform
} }
// Send face info to neighbour.
template <class Type>
void Foam::FaceCellWave<Type>::sendPatchInfo
(
const label neighbour,
const label nFaces,
const labelList& faceLabels,
const List<Type>& faceInfo
) const
{
OPstream toNeighbour(Pstream::blocking, neighbour);
writeFaces(nFaces, faceLabels, faceInfo, toNeighbour);
}
// Receive face info from neighbour
template <class Type>
Foam::label Foam::FaceCellWave<Type>::receivePatchInfo
(
const label neighbour,
labelList& faceLabels,
List<Type>& faceInfo
) const
{
IPstream fromNeighbour(Pstream::blocking, neighbour);
label nFaces = 0;
readFaces(nFaces, faceLabels, faceInfo, fromNeighbour);
return nFaces;
}
// Offset mesh face. Used for transferring from one cyclic half to the other. // Offset mesh face. Used for transferring from one cyclic half to the other.
template <class Type> template <class Type>
void Foam::FaceCellWave<Type>::offset void Foam::FaceCellWave<Type>::offset
@ -523,6 +489,8 @@ void Foam::FaceCellWave<Type>::handleProcPatches()
{ {
// Send all // Send all
PstreamBuffers pBufs(Pstream::nonBlocking);
forAll(mesh_.boundaryMesh(), patchI) forAll(mesh_.boundaryMesh(), patchI)
{ {
const polyPatch& patch = mesh_.boundaryMesh()[patchI]; const polyPatch& patch = mesh_.boundaryMesh()[patchI];
@ -564,16 +532,13 @@ void Foam::FaceCellWave<Type>::handleProcPatches()
<< endl; << endl;
} }
sendPatchInfo UOPstream toNeighbour(procPatch.neighbProcNo(), pBufs);
( writeFaces(nSendFaces, sendFaces, sendFacesInfo, toNeighbour);
procPatch.neighbProcNo(),
nSendFaces,
sendFaces,
sendFacesInfo
);
} }
} }
pBufs.finishedSends();
// Receive all // Receive all
forAll(mesh_.boundaryMesh(), patchI) forAll(mesh_.boundaryMesh(), patchI)
@ -586,16 +551,20 @@ void Foam::FaceCellWave<Type>::handleProcPatches()
refCast<const processorPolyPatch>(patch); refCast<const processorPolyPatch>(patch);
// Allocate buffers // Allocate buffers
label nReceiveFaces; label nReceiveFaces = 0;
labelList receiveFaces(patch.size()); labelList receiveFaces(patch.size());
List<Type> receiveFacesInfo(patch.size()); List<Type> receiveFacesInfo(patch.size());
nReceiveFaces = receivePatchInfo {
( UIPstream fromNeighbour(procPatch.neighbProcNo(), pBufs);
procPatch.neighbProcNo(), readFaces
receiveFaces, (
receiveFacesInfo nReceiveFaces,
); receiveFaces,
receiveFacesInfo,
fromNeighbour
);
}
if (debug) if (debug)
{ {

17
src/OpenFOAM/algorithms/MeshWave/FaceCellWave.H
View File

@ -225,23 +225,6 @@ class FaceCellWave
List<Type>& faceInfo List<Type>& faceInfo
) const; ) const;
//- Send info to neighbour
void sendPatchInfo
(
const label neighbour,
const label nFaces,
const labelList&,
const List<Type>&
) const;
//- Receive info from neighbour. Returns number of faces received.
label receivePatchInfo
(
const label neighbour,
labelList&,
List<Type>&
) const;
//- Offset face labels by constant value //- Offset face labels by constant value
static void offset static void offset
( (