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d142a796d8
* Optimize some function with lasx. Optimize some function with lasx. #23929 This patch optimizes some lasx functions and reduces the runtime of opencv_test_core from 662,238ms to 633603ms on the 3A5000 platform. ### 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 - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake
16 lines
278 B
C++
16 lines
278 B
C++
#include <stdio.h>
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#include <lsxintrin.h>
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int test()
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{
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const float src[] = { 0.0f, 1.0f, 2.0f, 3.0f};
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v4f32 val = (v4f32)__lsx_vld((const float*)(src), 0);
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return __lsx_vpickve2gr_w(__lsx_vftint_w_s(val), 3);
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}
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int main()
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{
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printf("%d\n", test());
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return 0;
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}
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