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Merge pull request #13070 from elatkin:el/gapi_perf_sobel

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GAPI (fluid): optimization of Sobel 3x3 (#13070)

* GAPI: performance test for Sobel

* GAPI: performance test for Sobel w/FP32 input

* GAPI: Sobel speedup: 2.5x (U8) up to 10x (float)

* GAPI: Sobel 3x3 to support U8 into S16

* GAPI (fluid): Sobel 3x3 speedup: 10% (uchar), 1.5x (float)

* GAPI (fluid): Sobel 3x3 speedup: +10x (uchar), but -20% (float)

* GAPI (fluid): Sobel 3x3 speedup: +10% (float)

* GAPI (fluid): Sobel 3x3 speedup: +15% (float), +10% (uchar)

* GAPI (fluid): Sobel 3x3: address GCC warnings

* GAPI (fluid): Sobel 3x3: separate *.cpp file w/SIMD code

* GAPI (fluid): Sobel 3x3: fixed AVX2 code, AVX2 speedup 20-50% (uchar), 10-20% (float)

* GAPI (fluid): Sobel 3x3: fix CV_SIMD code for AVX2

* GAPI (fluid): Sobel 3x3: refactor
This commit is contained in:
Evgeny Latkin
2018-11-13 15:04:37 +03:00
committed by Alexander Alekhin
parent a456b968cf
commit 4e40e5bb88
10 changed files with 420 additions and 51 deletions
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modules/gapi/test/cpu/gapi_imgproc_tests_fluid.cpp
+1 -1
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@@ -115,7 +115,7 @@ INSTANTIATE_TEST_CASE_P(SobelTestFluid, SobelTest,
Values(3), // add kernel size=5 when implementation is ready
Values(cv::Size(1280, 720),
cv::Size(640, 480)),
Values(-1, CV_32F),
Values(-1, CV_16S, CV_32F),
Values(0, 1),
Values(1, 2),
Values(true, false),