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Changes to OpenMP MathcBox version needs -DOMP

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pull/4/merge
sfilippone 5 months ago
parent 2ef4459b18
commit 17698c2725
4 changed files with 62 additions and 52 deletions
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2
amgprec/impl/aggregator/MatchBoxPC.cpp
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@ -42,6 +42,7 @@
#include <stdlib.h>
#if !defined(SERIAL_MPI)
#include <mpi.h>
#endif
#include "MatchBoxPC.h"
#ifdef __cplusplus
@ -126,4 +127,3 @@ void sMatchBoxPC(MilanLongInt NLVer, MilanLongInt NLEdge,
#ifdef __cplusplus
}
#endif
#endif

32
amgprec/impl/aggregator/algoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP.cpp
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@ -1,5 +1,5 @@
#include "MatchBoxPC.h"
#ifdef OMP
// ***********************************************************************
//
// MatchboxP: A C++ library for approximate weighted matching
@ -126,8 +126,10 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
fflush(stdout);
#endif
MilanLongInt StartIndex = verDistance[myRank]; // The starting vertex owned by the current rank
MilanLongInt EndIndex = verDistance[myRank + 1] - 1; // The ending vertex owned by the current rank
// The starting vertex owned by the current rank
MilanLongInt StartIndex = verDistance[myRank];
// The ending vertex owned by the current rank
MilanLongInt EndIndex = verDistance[myRank + 1] - 1;
MPI_Status computeStatus;
@ -145,7 +147,8 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
// only one message will be sent in the initialization phase -
// one of: REQUEST/FAILURE/SUCCESS
vector<MilanLongInt> QLocalVtx, QGhostVtx, QMsgType;
vector<MilanInt> QOwner; // Changed by Fabio to be an integer, addresses needs to be integers!
// Changed by Fabio to be an integer, addresses needs to be integers!
vector<MilanInt> QOwner;
MilanLongInt *PCounter = new MilanLongInt[numProcs];
for (int i = 0; i < numProcs; i++)
@ -153,7 +156,8 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
MilanLongInt NumMessagesBundled = 0;
// TODO when the last computational section will be refactored this could be eliminated
MilanInt ghostOwner = 0; // Changed by Fabio to be an integer, addresses needs to be integers!
// Changed by Fabio to be an integer, addresses needs to be integers!
MilanInt ghostOwner = 0;
MilanLongInt *candidateMate = nullptr;
#ifdef PRINT_DEBUG_INFO_
cout << "\n(" << myRank << ")NV: " << NLVer << " Edges: " << NLEdge;
@ -168,9 +172,12 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
MilanLongInt myCard = 0;
// Build the Ghost Vertex Set: Vg
map<MilanLongInt, MilanLongInt> Ghost2LocalMap; // Map each ghost vertex to a local vertex
vector<MilanLongInt> Counter; // Store the edge count for each ghost vertex
MilanLongInt numGhostVertices = 0, numGhostEdges = 0; // Number of Ghost vertices
// Map each ghost vertex to a local vertex
map<MilanLongInt, MilanLongInt> Ghost2LocalMap;
// Store the edge count for each ghost vertex
vector<MilanLongInt> Counter;
// Number of Ghost vertices
MilanLongInt numGhostVertices = 0, numGhostEdges = 0;
#ifdef PRINT_DEBUG_INFO_
cout << "\n(" << myRank << ")About to compute Ghost Vertices...";
@ -222,7 +229,7 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
cout << myRank << " Finished initialization" << endl;
fflush(stdout);
#endif
startTime = MPI_Wtime();
/////////////////////////////////////////////////////////////////////////////////////////
@ -391,7 +398,7 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
cout << myRank << " Finished sendBundles" << endl;
fflush(stdout);
#endif
*ph1_card = myCard; // Cardinality at the end of Phase-1
startTime = MPI_Wtime();
/////////////////////////////////////////////////////////////////////////////////////////
@ -422,7 +429,7 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
///////////////////////////////////////////////////////////////////////////////////
/////////////////////////// PROCESS MATCHED VERTICES //////////////////////////////
///////////////////////////////////////////////////////////////////////////////////
processMatchedVerticesAndSendMessages(NLVer,
UChunkBeingProcessed,
U,
@ -456,7 +463,7 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
comm,
&msgActual,
Message);
///////////////////////// END OF PROCESS MATCHED VERTICES /////////////////////////
//// BREAK IF NO MESSAGES EXPECTED /////////
@ -552,3 +559,4 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
#endif
#endif
#endif

74
amgprec/impl/aggregator/processExposedVertex.cpp
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@ -1,6 +1,5 @@
#include "MatchBoxPC.h"
#if !defined(SERIAL_MPI)
#ifdef OMP
void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
MilanLongInt *candidateMate,
MilanLongInt *verLocInd,
@ -30,7 +29,7 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
vector<MilanLongInt> &privateQGhostVtx,
vector<MilanLongInt> &privateQMsgType,
vector<MilanInt> &privateQOwner)
{
{
MilanLongInt v = -1, k = -1, w = -1, adj11 = 0, adj12 = 0, k1 = 0;
MilanInt ghostOwner = 0, option, igw;
@ -80,7 +79,7 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
Ghost2LocalMap);
candidateMate[v] = w;
}
if (w >= 0) {
(*myCard)++;
if ((w < StartIndex) || (w > EndIndex)) { // w is a ghost vertex
@ -89,60 +88,63 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
option = 1;
Mate[v] = w;
GMate[Ghost2LocalMap[w]] = v + StartIndex; // w is a Ghost
} // End of if CandidateMate[w] = v
} // End of if a Ghost Vertex
else { // w is a local vertex
if (candidateMate[w - StartIndex] == (v + StartIndex)) {
option = 3;
Mate[v] = w; // v is local
Mate[w - StartIndex] = v + StartIndex; // w is local
#ifdef PRINT_DEBUG_INFO_
cout << "\n(" << myRank << ")MATCH: (" << v + StartIndex << "," << w << ") ";
fflush(stdout);
#endif
} // End of if ( candidateMate[w-StartIndex] == (v+StartIndex) )
} // End of Else
} // End of second if
} // End critical processExposed
} // End of if(w >=0)
else {
// This piece of code is executed a really small amount of times
adj11 = verLocPtr[v];
adj12 = verLocPtr[v + 1];
for (k1 = adj11; k1 < adj12; k1++) {
w = verLocInd[k1];
if ((w < StartIndex) || (w > EndIndex)) { // A ghost
#pragma omp critical(adjuse)
{
// This piece of code is executed a really small number of times
adj11 = verLocPtr[v];
adj12 = verLocPtr[v + 1];
for (k1 = adj11; k1 < adj12; k1++) {
w = verLocInd[k1];
if ((w < StartIndex) || (w > EndIndex)) { // A ghost
#ifdef PRINT_DEBUG_INFO_
cout << "\n(" << myRank << ")Sending a failure message: ";
cout << "\n(" << myRank << ")Ghost is " << w << " Owner is: " << findOwnerOfGhost(w, verDistance, myRank, numProcs);
fflush(stdout);
cout << "\n(" << myRank << ")Sending a failure message: ";
cout << "\n(" << myRank << ")Ghost is " << w << " Owner is: " << findOwnerOfGhost(w, verDistance, myRank, numProcs);
fflush(stdout);
#endif
(*msgInd)++;
(*NumMessagesBundled)++;
ghostOwner = findOwnerOfGhost(w, verDistance, myRank, numProcs);
// assert(ghostOwner != -1);
// assert(ghostOwner != myRank);
PCounter[ghostOwner]++;
privateQLocalVtx.push_back(v + StartIndex);
privateQGhostVtx.push_back(w);
privateQMsgType.push_back(FAILURE);
privateQOwner.push_back(ghostOwner);
} // End of if(GHOST)
} // End of for loop
(*msgInd)++;
(*NumMessagesBundled)++;
ghostOwner = findOwnerOfGhost(w, verDistance, myRank, numProcs);
// assert(ghostOwner != -1);
// assert(ghostOwner != myRank);
PCounter[ghostOwner]++;
privateQLocalVtx.push_back(v + StartIndex);
privateQGhostVtx.push_back(w);
privateQMsgType.push_back(FAILURE);
privateQOwner.push_back(ghostOwner);
} // End of if(GHOST)
} // End of for loop
}
}
// End: PARALLEL_PROCESS_EXPOSED_VERTEX_B(v)
switch (option)
{
case -1:

6
amgprec/impl/aggregator/queueTransfer.cpp
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@ -1,5 +1,5 @@
#include "MatchBoxPC.h"
#ifdef OMP
void queuesTransfer(vector<MilanLongInt> &U,
vector<MilanLongInt> &privateU,
vector<MilanLongInt> &QLocalVtx,
@ -17,8 +17,6 @@ void queuesTransfer(vector<MilanLongInt> &U,
U.insert(U.end(), privateU.begin(), privateU.end());
}
privateU.clear();
#pragma omp critical(sendMessageTransfer)
{
@ -28,9 +26,11 @@ void queuesTransfer(vector<MilanLongInt> &U,
QOwner.insert(QOwner.end(), privateQOwner.begin(), privateQOwner.end());
}
privateU.clear();
privateQLocalVtx.clear();
privateQGhostVtx.clear();
privateQMsgType.clear();
privateQOwner.clear();
}
#endif

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