Bugzilla – Attachment 665 Details for
Bug 1169
thread local storage for the Eigen thread count
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This bugzilla service is closed. All entries have been migrated to
https://gitlab.com/libeigen/eigen
testcase
Test1169.C (text/x-csrc), 476 bytes, created by
fabien chêne
on 2016-03-11 13:01:28 UTC
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Description:
testcase
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Creator:
fabien chêne
Created:
2016-03-11 13:01:28 UTC
Size:
476 bytes
patch
obsolete
>#include <Eigen/Core> >#include <cassert> >#include <omp.h> > >int main() >{ > int k = 0; > >#pragma omp parallel > { > int threads = omp_get_thread_num() + 1; > Eigen::setNbThreads( threads ); // or Eigen::setNbThreadsInThisThread( threads ) > > // do some work... > for( int j = 0; j < 20; j++ ) > { > k += j; > } > > assert( Eigen::nbThreads() == threads ); // or Eigen::nbThreadsInThisThread() > } > > assert( k != 0 ); >}
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