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54 lines
2.3 KiB
Diff
54 lines
2.3 KiB
Diff
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commit e6d803fd4a383cecf8c643095f093a31c944b785
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Author: Robert-André Mauchin <zebob.m@gmail.com>
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Date: Wed Apr 3 01:36:52 2019 +0200
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Fix for GCC9 new OpenMP data sharing
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GCC 9 started implementing the OpenMP 4.0 and later behavior. When not using
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default clause or when using default(shared), this makes no difference, but
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if using default(none), previously the choice was not specify the const
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qualified variables on the construct at all, or specify in firstprivate
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clause. In GCC 9 as well as for OpenMP 4.0 compliance, those variables need
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to be specified on constructs in which they are used, either in shared or
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in firstprivate clause. Specifying them in firstprivate clause is one way to
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achieve compatibility with both older GCC versions and GCC 9,
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another option is to drop the default(none) clause.
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This patch thus drops the default(none) clause.
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See https://gcc.gnu.org/gcc-9/porting_to.html#ompdatasharing
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Signed-off-by: Robert-André Mauchin <zebob.m@gmail.com>
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diff --git a/intern/elbeem/intern/solver_main.cpp b/intern/elbeem/intern/solver_main.cpp
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index 68f7c04cd54..514087b6130 100644
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--- a/intern/elbeem/intern/solver_main.cpp
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+++ b/intern/elbeem/intern/solver_main.cpp
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@@ -381,7 +381,7 @@ LbmFsgrSolver::mainLoop(const int lev)
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GRID_REGION_INIT();
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#if PARALLEL==1
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const int gDebugLevel = ::gDebugLevel;
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-#pragma omp parallel default(none) num_threads(mNumOMPThreads) \
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+#pragma omp parallel num_threads(mNumOMPThreads) \
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reduction(+: \
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calcCurrentMass,calcCurrentVolume, \
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calcCellsFilled,calcCellsEmptied, \
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@@ -1126,7 +1126,7 @@ LbmFsgrSolver::preinitGrids()
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GRID_REGION_INIT();
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#if PARALLEL==1
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const int gDebugLevel = ::gDebugLevel;
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-#pragma omp parallel default(none) num_threads(mNumOMPThreads) \
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+#pragma omp parallel num_threads(mNumOMPThreads) \
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reduction(+: \
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calcCurrentMass,calcCurrentVolume, \
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calcCellsFilled,calcCellsEmptied, \
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@@ -1164,7 +1164,7 @@ LbmFsgrSolver::standingFluidPreinit()
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GRID_REGION_INIT();
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#if PARALLEL==1
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const int gDebugLevel = ::gDebugLevel;
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-#pragma omp parallel default(none) num_threads(mNumOMPThreads) \
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+#pragma omp parallel num_threads(mNumOMPThreads) \
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reduction(+: \
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calcCurrentMass,calcCurrentVolume, \
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calcCellsFilled,calcCellsEmptied, \
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