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Include the cost of stores in unrolling (also fix infinite unrolling with expression costing 0 like Constant)

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This commit is contained in:
Gael Guennebaud
2016-06-15 00:01:16 +02:00
parent 76236cdea4
commit 101ea26f5e
1 changed files with 2 additions and 2 deletions
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4
Eigen/src/Core/AssignEvaluator.h
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@@ -116,9 +116,9 @@ private:
: 1,
UnrollingLimit = EIGEN_UNROLLING_LIMIT * ActualPacketSize,
MayUnrollCompletely = int(Dst::SizeAtCompileTime) != Dynamic
&& int(Dst::SizeAtCompileTime) * int(SrcEvaluator::CoeffReadCost) <= int(UnrollingLimit),
&& int(Dst::SizeAtCompileTime) * (int(DstEvaluator::CoeffReadCost)+int(SrcEvaluator::CoeffReadCost)) <= int(UnrollingLimit),
MayUnrollInner = int(InnerSize) != Dynamic
&& int(InnerSize) * int(SrcEvaluator::CoeffReadCost) <= int(UnrollingLimit)
&& int(InnerSize) * (int(DstEvaluator::CoeffReadCost)+int(SrcEvaluator::CoeffReadCost)) <= int(UnrollingLimit)
};
public: