From 352e86db9858192c6c56709d58c2e3612daa5ec8 Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Fri, 21 Jun 2019 23:40:05 -0400
Subject: [PATCH] wip
---
OpenMP/mppi.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/OpenMP/mppi.c b/OpenMP/mppi.c
index 430f23c..da10b94 100644
--- a/OpenMP/mppi.c
+++ b/OpenMP/mppi.c
@@ -15,7 +15,6 @@ double pi;
void main() {
int i;
- printf("%d\n",omp_get_max_threads());
double a,b,c,dt,mflops;
struct timespec tstart,tend;
clock_gettime(CLOCK_REALTIME,&tstart);
@@ -24,13 +23,12 @@ void main() {
c = 0.25;
pi = 0;
pi = 0;
- #pragma omp parallel
- #pragma omp for reduction(+:pi)
+ #pragma omp parallel for reduction(+:pi)
for (i = 1; i <= NPTS; ++i)
pi += a/((i-b)*(i-c));
clock_gettime(CLOCK_REALTIME,&tend);
dt = (tend.tv_sec+tend.tv_nsec/1e9)-(tstart.tv_sec+tstart.tv_nsec/1e9);
mflops = NPTS*5.0/(dt*1e6);
- printf("NPTS = %d, pi = %f\n",NPTS,pi);
+ printf("NPTS = %d, pi = %f, threads = %d\n",NPTS,pi,omp_get_max_threads());
printf("time = %f, estimated MFlops = %f\n",dt,mflops);
}
--
GitLab