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Make sure that block sizes are smaller than input matrix sizes.

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Gael Guennebaud 2016-01-26 23:30:24 +01:00
parent 639b1d864a
commit 5b0a9ee003
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/products/GeneralBlockPanelKernel.h
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@ -252,7 +252,7 @@ void evaluateProductBlockingSizesHeuristic(Index& k, Index& m, Index& n, Index n
// we have both L2 and L3, and problem is small enough to be kept in L2
// Let's choose m such that lhs's block fit in 1/3 of L2
actual_lm = l2;
max_mc = 576;
max_mc = (std::min<Index>)(576,max_mc);
}
Index mc = (std::min<Index>)(actual_lm/(3*k*sizeof(LhsScalar)), max_mc);
if (mc > Traits::mr) mc -= mc % Traits::mr;