For the record, a PR is now up for bundling xsimd with Arrow C++: https://github.com/apache/arrow/pull/9556
Regards Antoine. On Tue, 9 Feb 2021 11:14:45 +0800 Yibo Cai <yibo....@arm.com> wrote: > This topic was talked in an earlier thread [1], but not landed yet. > > PR https://github.com/apache/arrow/pull/9424 optimizes ByteStreamSplit with > Arm64 NEON, maybe it's a good chance to evaluate possibility of simplifying > arch dependent SIMD code with an SIMD library. > > I did a quick comparison of four open source SIMD libraries we've mentioned > in earlier talks. > > All libraries support C++11, GCC/Clang/MSVC, x86 (up to AVX512), Arm64 NEON, > with permissive open source licenses. > > Some differences: > > - nsimd: https://github.com/agenium-scale/nsimd > * supports Arm64 SVE, Cuda > * needs installation, not header only > * 133 stars, 11 contributors > > - mipp: https://github.com/aff3ct/MIPP > * header only > * 241 stars, 2 contributors > > - xsimd: https://github.com/xtensor-stack/xsimd > * header only > * 938 stars, 28 contributors > > - libsimdpp: https://github.com/p12tic/libsimdpp > * supports PPC, MIPS > * header only > * 906 stars, 17 contributors > > I have a little experience of libsimdpp. It's straightforward to use. I > suppose other libraries are similar. > I would prefer xsimd. Simply because it has more stars and contributors, and > a more active community. > > [1] > https://mail-archives.apache.org/mod_mbox/arrow-dev/202006.mbox/%3C3667345c-fdd2-5bbd-9bff-023282c377d8%40python.org%3E >
