Speedup with SSE/AVX extension?
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- C++
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Description
[Chromium's zlib fork has a very fast CRC32 implementation using SSE or AVX extension](https://chromium.googlesource.com/chromium/src/+/HEAD/third_party/zlib/crc32_simd.c), whichever available on the machine.
**Would it be preferable to implement this feature here?**
Note that the code there only work for CRC32 (with the fixed polynomial), so we need to either
* generalize it, or
* use template specialization to use it in the specific case of CRC32.
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