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Try improve OpenMP version of matchbox

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sfilippone
2024-07-03 11:00:13 +02:00
parent 41d91120d4
commit 6362db0cc5
4 changed files with 24 additions and 20 deletions
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amgprec/amg_d_matchboxp_mod.f90
+1
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@@ -724,6 +724,7 @@ contains
& vnl, mate, iam, np,ictxt,&
& msgis,msgas,msgprc,ph0t,ph1t,ph2t,ph1crd,ph2crd,info,display_inp)
if (do_timings) call psb_toc(idx_cmboxp)
if (iam==0) write(0,*) iam,' buildmatching from PMatchBox:', info,ph0t,ph1t,ph2t
if (debug) write(0,*) iam,' buildmatching from PMatchBox:', info
if (debug_sync) then
call psb_max(ictxt,info)
amgprec/impl/aggregator/algoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP.cpp
+1 -1
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@@ -489,7 +489,7 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(
///////////////////////////////////////////////////////////////////////////////////
/////////////////////////// PROCESS MESSAGES //////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////
//startTime = MPI_Wtime();
processMessagesD(NLVer,
Mate,
candidateMate,
amgprec/impl/aggregator/processExposedVertex.cpp
+12 -10
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@@ -30,15 +30,16 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_BD(MilanLongInt NLVer,
vector<MilanInt> &privateQOwner)
{
MilanLongInt v = -1, k = -1, w = -1, adj11 = 0, adj12 = 0, k1 = 0;
MilanLongInt v = -1, k = -1, w = -1, adj11 = 0, adj12 = 0, k1 = 0;
MilanInt ghostOwner = 0, option, igw;
//#pragma omp parallel private(option, k, w, v, k1, adj11, adj12, ghostOwner) \
firstprivate(privateU, StartIndex, EndIndex, privateQLocalVtx, privateQGhostVtx, privateQMsgType, privateQOwner) \
default(shared) num_threads(NUM_THREAD)
#pragma omp parallel private(option, k, w, v, k1, adj11, adj12, ghostOwner) \
firstprivate(privateU, StartIndex, EndIndex, privateQLocalVtx, \
privateQGhostVtx, privateQMsgType, privateQOwner) \
default(shared) num_threads(NUM_THREAD)
{
//#pragma omp for reduction(+ \
#pragma omp for reduction(+ \
: PCounter[:numProcs], myCard \
[:1], msgInd \
[:1], NumMessagesBundled \
@@ -216,17 +217,18 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_BS(MilanLongInt NLVer,
MilanLongInt v = -1, k = -1, w = -1, adj11 = 0, adj12 = 0, k1 = 0;
MilanInt ghostOwner = 0, option, igw;
//#pragma omp parallel private(option, k, w, v, k1, adj11, adj12, ghostOwner) \
firstprivate(privateU, StartIndex, EndIndex, privateQLocalVtx, privateQGhostVtx, privateQMsgType, privateQOwner) \
#pragma omp parallel private(option, k, w, v, k1, adj11, adj12, ghostOwner) \
firstprivate(privateU, StartIndex, EndIndex, privateQLocalVtx, \
privateQGhostVtx, privateQMsgType, privateQOwner) \
default(shared) num_threads(NUM_THREAD)
{
//#pragma omp for reduction(+ \
#pragma omp for reduction(+ \
: PCounter[:numProcs], myCard \
[:1], msgInd \
[:1], NumMessagesBundled \
[:1]) \
schedule(static)
[:1]) \
schedule(static)
for (v = 0; v < NLVer; v++) {
option = -1;
// Start: PARALLEL_PROCESS_EXPOSED_VERTEX_B(v)
amgprec/impl/aggregator/processMatchedVerticesAndSendMessages.cpp
+10 -9
View File
@@ -51,15 +51,16 @@ void processMatchedVerticesAndSendMessagesD(
MilanLongInt localVertices = 0;
#endif
//#pragma omp parallel private(k, w, v, k1, adj1, adj2, adj11, adj12, ghostOwner, option) \
firstprivate(Message, privateU, StartIndex, EndIndex, privateQLocalVtx, privateQGhostVtx,\
privateQMsgType, privateQOwner, UChunkBeingProcessed) default(shared) \
num_threads(NUM_THREAD) \
reduction(+ \
: msgInd[:1], PCounter \
[:numProcs], myCard \
[:1], NumMessagesBundled \
[:1], msgActual \
[:1])
firstprivate(Message, privateU, StartIndex, EndIndex, privateQLocalVtx, \
privateQGhostVtx, privateQMsgType, privateQOwner, UChunkBeingProcessed) \
default(shared) \
num_threads(NUM_THREAD) \
reduction(+ \
: msgInd[:1], PCounter \
[:numProcs], myCard \
[:1], NumMessagesBundled \
[:1], msgActual \
[:1])
{
while (!U.empty()) {