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* eoParallel: added the call to omp_set_num_threads to define the number of threads with parameters

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This commit is contained in:
Caner Candan 2011-02-02 23:50:58 +01:00
commit 2044d92eff
3 changed files with 22 additions and 2 deletions
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2
eo/src/apply.h
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@ -44,8 +44,6 @@ void apply(eoUF<EOT&, void>& _proc, std::vector<EOT>& _pop)
#ifdef _OPENMP #ifdef _OPENMP
omp_set_num_threads(eo::parallel.nthreads());
double t1 = omp_get_wtime(); double t1 = omp_get_wtime();
if (!eo::parallel.isDynamic()) if (!eo::parallel.isDynamic())

12
eo/src/utils/eoParallel.cpp
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@ -25,6 +25,8 @@ Caner Candan <caner.candan@thalesgroup.com>
*/ */
#include <omp.h>
#include "eoParallel.h" #include "eoParallel.h"
eoParallel::eoParallel() : eoParallel::eoParallel() :
@ -74,6 +76,16 @@ void eoParallel::_createParameters( eoParser& parser )
void make_parallel(eoParser& parser) void make_parallel(eoParser& parser)
{ {
eo::parallel._createParameters( parser ); eo::parallel._createParameters( parser );
#ifdef _OPENMP
if ( eo::parallel.isEnabled() )
{
if ( eo::parallel.nthreads() > 0 )
{
omp_set_num_threads( eo::parallel.nthreads() );
}
}
#endif // !_OPENMP
} }
eoParallel eo::parallel; eoParallel eo::parallel;

10
eo/test/t-eoParallel.cpp
View file

@ -2,6 +2,8 @@
// t-eoParallel.cpp // t-eoParallel.cpp
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
#include <omp.h>
#include <eo> #include <eo>
#include <es/make_real.h> #include <es/make_real.h>
//#include <apply.h> //#include <apply.h>
@ -40,6 +42,14 @@ int main(int ac, char** av)
eo::log << eo::quiet << "DONE!" << std::endl; eo::log << eo::quiet << "DONE!" << std::endl;
#pragma omp parallel
{
if ( 0 == omp_get_thread_num() )
{
eo::log << "num of threads: " << omp_get_num_threads() << std::endl;
}
}
return 0; return 0;
} }