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features2d(SIFT): add runtime dispatching#17211

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opencv-pushbot merged 4 commits intoopencv:3.4from
alalek:sift_dispatch
May 12, 2020
Merged

features2d(SIFT): add runtime dispatching#17211
opencv-pushbot merged 4 commits intoopencv:3.4from
alalek:sift_dispatch

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@alalek alalek commented May 3, 2020 •
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relates #16736

Performance (i5-6600, IPP is OFF, 1 thread):

Name of Test base patch x-factor
SIFT::SIFT_detect::"...leuven/img1.png" 133.388 134.995 0.99
SIFT::SIFT_detect::"stitching/a3.png" 125.506 126.397 0.99
SIFT::SIFT_extract::"...leuven/img1.png" 141.087 127.412 1.11
SIFT::SIFT_extract::"stitching/a3.png" 188.524 148.202 1.27
SIFT::SIFT_full::"...leuven/img1.png" 207.742 194.772 1.07
SIFT::SIFT_full::"stitching/a3.png" 256.001 214.908 1.19
Baseline track
Name of Test SSE3 SSE4.1 DEFAULT AVX2 DETECT x-SSE4.1 x-DEFAULT x-AVX2 x-DETECT
SIFT::SIFT_detect::"...leuven/img1.png" 134.268 131.014 134.995 137.151 121.428 1.02 0.99 0.98 1.11
SIFT::SIFT_detect::"stitching/a3.png" 128.094 125.334 126.397 128.042 114.076 1.02 1.01 1.00 1.12
SIFT::SIFT_extract::"...leuven/img1.png" 162.686 163.576 127.412 117.318 102.252 0.99 1.28 1.39 1.59
SIFT::SIFT_extract::"stitching/a3.png" 211.508 212.247 148.202 149.287 134.897 1.00 1.43 1.42 1.57
SIFT::SIFT_full::"...leuven/img1.png" 233.216 230.882 194.772 187.693 170.542 1.01 1.20 1.24 1.37
SIFT::SIFT_full::"stitching/a3.png" 283.939 281.561 214.908 218.267 202.177 1.01 1.32 1.30 1.40
  • "DETECT": -DCMAKE_CXX_FLAGS=-march=native
allow_multiple_commits=1

force_builders=Linux AVX2,Custom
buildworker:Custom=linux-3
build_image:Custom=ubuntu:18.04
CPU_BASELINE:Custom=AVX512_SKX
disable_ipp=ON

@opencv-pushbot opencv-pushbot merged commit 8b51e2d into opencv:3.4 May 12, 2020
@alalek alalek mentioned this pull request May 12, 2020
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@mshabunin mshabunin mshabunin approved these changes

@terfendail terfendail Awaiting requested review from terfendail

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