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Add arm64 assembly optimization guide

1

New guide to help programmers to optimize assembly code for Graviton processors.

[arm64] use a better translation for move_mask

12

No changes | With the patch | Speedup $ python3 ./tests/test_ext.py | | .bitshuffle 64 : 4.94 s/GB, 0.20 GB/s | 1.53 s/GB, 0.65 GB/s | 3.25x .bitunshuffle 64 :...

make it build on arm64

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Here are the commands to build on Graviton and Amazon Linux 2: sudo yum groupinstall "Development Tools" sudo yum install libcurl-devel openssl-devel libuuid-devel pulseaudio-libs-devel wget https://cmake.org/files/v3.18/cmake-3.18.0.tar.gz tar xzf cmake-3.18.0.tar.gz cd...