I want to get the vectorisation report regrading automated vectorisation and openmp SIMD.
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4There is `g++ -fopt-info-vec` – Henri Menke May 29 '17 at 00:11
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# gcc
-fopenmp-simd -O3 -ffast-math -march=native -fopt-info-omp-vec-optimized-missed
# clang
-fopenmp-simd -O3 -ffast-math -march=native -Rpass="loop|vect" -Rpass-missed="loop|vect" -Rpass-analysis="loop|vect"
# icc on Linux
-qopenmp-simd -O3 -ffast-math -march=native -qopt-report-file=stdout -qopt-report-format=vs -qopt-report=5 -qopt-report-phase=loop,vec
# msvc
-openmp -O2 -fp:fast -arch:AVX2 -Qvec-report:2
Trass3r
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I don't think Apple's flavor of clang supports OpenMP (At least not by default on macOS).
You may find ways to extend it though.
Royi
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Clang supports OpenMP. Though Apple's clang does not support it directly, there is a way to make it to generate OpenMP code (see https://stackoverflow.com/a/47230419/3419533) – Alexey Bataev Jan 15 '18 at 21:24
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Hi, Well I was talking about Apple's flavor of `clang`. Edited accordingly. – Royi Feb 10 '18 at 21:08