![]() Generic Controllers - Mode, Range, and Toggle Controllers.Alexa Presentation Language (APL) and Multimodal interactions.Set Up the AVS Device SDK on Raspberry Pi.Learn to add Alexa to a Speaker, Sound bar, or AVR.we can replace SSE4_2 to POPCNT dispatch level in CMake file.support NORM_HAMMING2 too, but this will require additional optimizations (probably for AVX2 code only).Removal of these loops before generation of the first report resolves this strange behavior (slowdown of SSE4.2 code).įor reference, similar report for code without patch: AVX-related issue is a compiler problem with processing of unrolled loops.We can see that there is no improvements from dispatched AVX optimization, so we can remove it from CMake file: "optimize size of binaries, drop AVX dispatching" "sse3.xml": mask optimizations via environment variable: OPENCV_CPU_DISABLE=AVX,AVX2,SSE4.2."sse42.xml": mask optimizations via environment variable: OPENCV_CPU_DISABLE=AVX2,AVX."avx.xml": mask AVX2 optimizations via environment variable: OPENCV_CPU_DISABLE=AVX2.without restrictions and save results to "avx2.xml".check for enabled dispatching levels: "-DCPU_DISPATCH=SSE4_2 AVX AVX2".To workaround this problem we should use vzeroupper instruction. Mixing of SSE/AVX code during runtime usually provides significant performance impact. ![]()
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