Bugzilla – Attachment 654 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
TestEigen.cc (text/plain), 432 bytes, created by
fabien chêne
on 2016-02-17 15:26:07 UTC
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Description:
testcase
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Creator:
fabien chêne
Created:
2016-02-17 15:26:07 UTC
Size:
432 bytes
patch
obsolete
>#include <Eigen/Core> >#include <cassert> > >int main() >{ > int k = 0; > >#pragma omp parallel for > for( int i = 0; i < 100; ++i ) > { > Eigen::setNbThreads( i ); // or Eigen::setNbThreadsInThisThread( i ) > > // do some work... > for( int j = 0; j < 20; j++ ) > { > k += j; > } > > assert( Eigen::nbThreads() == i ); // or Eigen::nbThreadsInThisThread() > } > > assert( k != 0 ); >}
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