diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2018-09-21 13:45:56 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2018-09-21 13:45:56 +0200 |
| commit | b00e48a867eab40bca914b7673f2fd43f1114831 (patch) | |
| tree | b0f2d43c100fdda5f5fd076dd8d67912996ab4a9 /Eigen/src/Core/Redux.h | |
| parent | 3ec29859146f33e323ebd6d41e46acda63dffcef (diff) | |
Improve slice-vectorization logic for redux (significant speed-up for reduxion of blocks)
Diffstat (limited to 'Eigen/src/Core/Redux.h')
| -rw-r--r-- | Eigen/src/Core/Redux.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Eigen/src/Core/Redux.h b/Eigen/src/Core/Redux.h index e449ef3ac..25e374c77 100644 --- a/Eigen/src/Core/Redux.h +++ b/Eigen/src/Core/Redux.h @@ -32,14 +32,20 @@ public: PacketSize = unpacket_traits<PacketType>::size, InnerMaxSize = int(Evaluator::IsRowMajor) ? Evaluator::MaxColsAtCompileTime - : Evaluator::MaxRowsAtCompileTime + : Evaluator::MaxRowsAtCompileTime, + OuterMaxSize = int(Evaluator::IsRowMajor) + ? Evaluator::MaxRowsAtCompileTime + : Evaluator::MaxColsAtCompileTime, + SliceVectorizedWork = int(InnerMaxSize)==Dynamic ? Dynamic + : int(OuterMaxSize)==Dynamic ? (int(InnerMaxSize)>=int(PacketSize) ? Dynamic : 0) + : (int(InnerMaxSize)/int(PacketSize)) * int(OuterMaxSize) }; enum { MightVectorize = (int(Evaluator::Flags)&ActualPacketAccessBit) && (functor_traits<Func>::PacketAccess), MayLinearVectorize = bool(MightVectorize) && (int(Evaluator::Flags)&LinearAccessBit), - MaySliceVectorize = bool(MightVectorize) && int(InnerMaxSize)>=3*PacketSize + MaySliceVectorize = bool(MightVectorize) && (int(SliceVectorizedWork)==Dynamic || int(SliceVectorizedWork)>=3) }; public: @@ -69,12 +75,15 @@ public: EIGEN_DEBUG_VAR(Evaluator::Flags) std::cerr.unsetf(std::ios::hex); EIGEN_DEBUG_VAR(InnerMaxSize) + EIGEN_DEBUG_VAR(OuterMaxSize) + EIGEN_DEBUG_VAR(SliceVectorizedWork) EIGEN_DEBUG_VAR(PacketSize) EIGEN_DEBUG_VAR(MightVectorize) EIGEN_DEBUG_VAR(MayLinearVectorize) EIGEN_DEBUG_VAR(MaySliceVectorize) EIGEN_DEBUG_VAR(Traversal) EIGEN_DEBUG_VAR(UnrollingLimit) + EIGEN_DEBUG_VAR(Unrolling) std::cerr << std::endl; } |