On Tue, 12 May 2009 09:27:30 +0300 Mikolaj Golub wrote:
MG> Hi,
MG> The code below is compiled with -fopenmp and run on FreeBSD6/7 (i386,
amd64):
MG> #include <omp.h>
MG> #include <unistd.h>
MG> int n = 4, m = 2;
MG> int main () {
MG> for (;;) {
MG> int i;
MG> //sleep(2);
MG> #pragma omp parallel for num_threads(m)
MG> for(i = 0; i < 1; i++) {}
MG> //sleep(2);
MG> #pragma omp parallel for num_threads(n)
MG> for(i = 0; i < 1; i++) {}
MG>
MG> }
MG> return 0;
MG> }
MG> During the run the program's virtual memory usage constantly grows. The
growth
MG> is observed only when n != m. When running the program with uncommented
MG> sleep() and observing the number of threads with 'top -H' I see in turn 2
or 4
MG> threads. So it looks like memory leak when thread is removed. Should I fill
MG> PR?
Reported.
http://www.freebsd.org/cgi/query-pr.cgi?pr=134604
--
Mikolaj Golub
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