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Improve slice-vectorization logic for redux (significant speed-up for reduxion of blocks)

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This commit is contained in:
Gael Guennebaud
2018-09-21 13:45:56 +02:00
parent 3ec2985914
commit b00e48a867
2 changed files with 25 additions and 6 deletions
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18
test/vectorization_logic.cpp
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@@ -230,8 +230,13 @@ struct vectorization_logic
VERIFY(test_redux(Matrix44(),
LinearVectorizedTraversal,NoUnrolling));
VERIFY(test_redux(Matrix44().template block<(Matrix1::Flags&RowMajorBit)?4:PacketSize,(Matrix1::Flags&RowMajorBit)?PacketSize:4>(1,2),
DefaultTraversal,CompleteUnrolling));
if(PacketSize>1) {
VERIFY(test_redux(Matrix44().template block<(Matrix1::Flags&RowMajorBit)?4:PacketSize,(Matrix1::Flags&RowMajorBit)?PacketSize:4>(1,2),
SliceVectorizedTraversal,CompleteUnrolling));
VERIFY(test_redux(Matrix44().template block<(Matrix1::Flags&RowMajorBit)?2:PacketSize,(Matrix1::Flags&RowMajorBit)?PacketSize:2>(1,2),
DefaultTraversal,CompleteUnrolling));
}
VERIFY(test_redux(Matrix44c().template block<2*PacketSize,1>(1,2),
LinearVectorizedTraversal,CompleteUnrolling));
@@ -375,8 +380,13 @@ struct vectorization_logic_half
VERIFY(test_redux(Matrix35(),
LinearVectorizedTraversal,CompleteUnrolling));
VERIFY(test_redux(Matrix57().template block<PacketSize,3>(1,0),
DefaultTraversal,CompleteUnrolling));
VERIFY(test_redux(Matrix57().template block<PacketSize==1?2:PacketSize,3>(1,0),
SliceVectorizedTraversal,CompleteUnrolling));
if(PacketSize>1) {
VERIFY(test_redux(Matrix57().template block<PacketSize,2>(1,0),
DefaultTraversal,CompleteUnrolling));
}
VERIFY((test_assign<
Map<Matrix<Scalar,EIGEN_PLAIN_ENUM_MAX(2,PacketSize),EIGEN_PLAIN_ENUM_MAX(2,PacketSize)>, AlignedMax, InnerStride<3*PacketSize> >,