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Add OpenMP parallelization for computeForce.

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This commit is contained in:
Jan Eitzinger 2020-08-19 11:19:16 +02:00
parent a0acce6cb3
commit 0fd51e8a9c
2 changed files with 3 additions and 2 deletions
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4
include_CLANG.mk
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@ -7,11 +7,11 @@ ANSI_CFLAGS += -std=c99
ANSI_CFLAGS += -pedantic ANSI_CFLAGS += -pedantic
ANSI_CFLAGS += -Wextra ANSI_CFLAGS += -Wextra
CFLAGS = -Ofast $(ANSI_CFLAGS) #-g CFLAGS = -Ofast $(ANSI_CFLAGS) -Xpreprocessor -fopenmp #-g
ASFLAGS = -masm=intel ASFLAGS = -masm=intel
CXXFLAGS = $(CFLAGS) CXXFLAGS = $(CFLAGS)
FCFLAGS = FCFLAGS =
LFLAGS = LFLAGS =
DEFINES = -D_GNU_SOURCE -DALIGNMENT=64 DEFINES = -D_GNU_SOURCE -DALIGNMENT=64
INCLUDES = INCLUDES =
LIBS = LIBS = -lomp

1
src/main.c
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@ -156,6 +156,7 @@ double computeForce(Parameter *param, Atom *atom, Neighbor *neighbor)
fz[i] = 0.0; fz[i] = 0.0;
} }
#pragma omp parallel for
for(int i = 0; i < Nlocal; i++) { for(int i = 0; i < Nlocal; i++) {
neighs = &neighbor->neighbors[i * neighbor->maxneighs]; neighs = &neighbor->neighbors[i * neighbor->maxneighs];
int numneighs = neighbor->numneigh[i]; int numneighs = neighbor->numneigh[i];