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| author |  Gael Guennebaud <g.gael@free.fr> | 2018-07-09 15:41:14 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2018-07-09 15:41:14 +0200 |
| commit | de9e31a06d0324862d9200d08eb3cc4d3d07e660 (patch) | |
| tree | 9e30ff66edd4d171e2460e4fe994facf5d52cb64 /Eigen/src/Core/util/XprHelper.h | |
| parent | 6190aa5632fb698fa66d2dad2949275089f15738 (diff) | |
Introduce the macro ei_declare_local_nested_eval to help allocating on the stack local temporaries via alloca, and let outer-products makes a good use of it.
If successful, we should use it everywhere nested_eval is used to declare local dense temporaries.
Diffstat (limited to 'Eigen/src/Core/util/XprHelper.h')
| -rw-r--r-- | Eigen/src/Core/util/XprHelper.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/Core/util/XprHelper.h b/Eigen/src/Core/util/XprHelper.h index 7311adec7..3926d3a6c 100644 --- a/Eigen/src/Core/util/XprHelper.h +++ b/Eigen/src/Core/util/XprHelper.h @@ -460,7 +460,7 @@ template<typename T, int n, typename PlainObject = typename plain_object_eval<T> { enum { ScalarReadCost = NumTraits<typename traits<T>::Scalar>::ReadCost, - CoeffReadCost = evaluator<T>::CoeffReadCost, // NOTE What if an evaluator evaluate itself into a tempory? + CoeffReadCost = evaluator<T>::CoeffReadCost, // NOTE What if an evaluator evaluate itself into a temporary? // Then CoeffReadCost will be small (e.g., 1) but we still have to evaluate, especially if n>1. // This situation is already taken care by the EvalBeforeNestingBit flag, which is turned ON // for all evaluator creating a temporary. This flag is then propagated by the parent evaluators. |