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[HAL RVV] impl magnitude | add perf test #27002 Implement through the existing `cv_hal_magnitude32f` and `cv_hal_magnitude64f` interfaces. **UPDATE**: UI is enabled. The only difference between UI and HAL now is HAL use a approximate `sqrt`. Perf test done on MUSE-PI. ```sh $ opencv_test_core --gtest_filter="*Magnitude*" $ opencv_perf_core --gtest_filter="*Magnitude*" --perf_min_samples=300 --perf_force_samples=300 ``` Test result between enabled UI and HAL: ``` Name of Test ui rvv rvv vs ui (x-factor) Magnitude::MagnitudeFixture::(127x61, 32FC1) 0.029 0.016 1.75 Magnitude::MagnitudeFixture::(127x61, 64FC1) 0.057 0.036 1.57 Magnitude::MagnitudeFixture::(640x480, 32FC1) 1.063 0.648 1.64 Magnitude::MagnitudeFixture::(640x480, 64FC1) 2.261 1.530 1.48 Magnitude::MagnitudeFixture::(1280x720, 32FC1) 3.261 2.118 1.54 Magnitude::MagnitudeFixture::(1280x720, 64FC1) 6.802 4.682 1.45 Magnitude::MagnitudeFixture::(1920x1080, 32FC1) 7.287 4.738 1.54 Magnitude::MagnitudeFixture::(1920x1080, 64FC1) 15.226 10.334 1.47 ``` Test result before and after enabling UI: ``` Name of Test orig pr pr vs orig (x-factor) Magnitude::MagnitudeFixture::(127x61, 32FC1) 0.032 0.029 1.11 Magnitude::MagnitudeFixture::(127x61, 64FC1) 0.067 0.057 1.17 Magnitude::MagnitudeFixture::(640x480, 32FC1) 1.228 1.063 1.16 Magnitude::MagnitudeFixture::(640x480, 64FC1) 2.786 2.261 1.23 Magnitude::MagnitudeFixture::(1280x720, 32FC1) 3.762 3.261 1.15 Magnitude::MagnitudeFixture::(1280x720, 64FC1) 8.549 6.802 1.26 Magnitude::MagnitudeFixture::(1920x1080, 32FC1) 8.408 7.287 1.15 Magnitude::MagnitudeFixture::(1920x1080, 64FC1) 18.884 15.226 1.24 ``` ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] 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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