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quicksort.h: (parallel_sort_qs_conquer) Explicitly request number of threads in the parallel... 

2008-05-07  Johannes Singler  <singler@ira.uka.de>

       * include/parallel/quicksort.h:
       (parallel_sort_qs_conquer) Explicitly request number of threads
       in the parallel clause.
       (parallel_sort_qs) Remove setting the number of threads globally.

From-SVN: r135038
This commit is contained in:
Johannes Singler 2008-05-07 11:14:05 +00:00 committed by Johannes Singler
parent 9562228040
commit a273a42537
2 changed files with 8 additions and 4 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2008-05-07 Johannes Singler <singler@ira.uka.de>
* include/parallel/quicksort.h:
(parallel_sort_qs_conquer) Explicitly request number of threads
in the parallel clause.
(parallel_sort_qs) Remove setting the number of threads globally.
2008-05-06 Benjamin Kosnik <bkoz@redhat.com>
* include/std/mutex (mutex::mutex): Fix usage of initializing macro.

5
libstdc++-v3/include/parallel/quicksort.h
View File

@ -138,7 +138,7 @@ namespace __gnu_parallel
_Settings::get().sort_qs_num_samples_preset,
num_threads);
#pragma omp parallel sections
#pragma omp parallel sections num_threads(2)
{
#pragma omp section
parallel_sort_qs_conquer(begin, begin + split,
@ -177,9 +177,6 @@ namespace __gnu_parallel
if (num_threads > n)
num_threads = static_cast<thread_index_t>(n);
// Hard to avoid.
omp_set_num_threads(num_threads);
parallel_sort_qs_conquer(begin, begin + n, comp, num_threads);
}