DON'T MERGE, DNN: disable winograd as default#24587
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zihaomu wants to merge 1 commit intoopencv:4.xfrom
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DON'T MERGE, DNN: disable winograd as default#24587zihaomu wants to merge 1 commit intoopencv:4.xfrom
zihaomu wants to merge 1 commit intoopencv:4.xfrom
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zihaomu
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Nov 24, 2023
| util::getParameter(params, "dilation", "dilation", dilations, true, std::vector<size_t>(kernel.size(), 1)); | ||
| util::getParameter(params, "adj", "adj", adjust_pads, true, std::vector<size_t>(kernel.size(), 0)); | ||
| useWinograd = params.get<bool>("use_winograd", true); | ||
| useWinograd = params.get<bool>("use_winograd", useWinograd); |
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Hi @asmorkalov @vpisarev. Previously, due to this line of code, we actually turned on Winograd by default.
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asmorkalov
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Dec 22, 2023
Try to enable Winograd by default in FP32 mode and disable it by default in FP16 mode #24709 Hopefully, it will resolve regressions since 4.8.1 (see also #24587) ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [ ] I agree to contribute to the project under Apache 2 License. - [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
thewoz
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May 29, 2024
Try to enable Winograd by default in FP32 mode and disable it by default in FP16 mode opencv#24709 Hopefully, it will resolve regressions since 4.8.1 (see also opencv#24587) ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [ ] I agree to contribute to the project under Apache 2 License. - [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
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This PR tries to disable the Winograd compute branch as default, which will greatly affect dnn running performance.
Test at Apple M2 chip, multi-thread:
m2_perf_test.zip
After turn off the Wingrad, 3x3s1 convolution performance drops a lot (4.x vs patch):

Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.