Arun Sharma
95af128225
SSE4 optimization
...
Summary:
This speeds up CRC computation significantly on
hardware that supports it. Enabled via -msse4.
Note: the binary won't be usable on older CPUs
that don't support the instruction.
Test Plan: crc32c_test
Reviewers: dhruba
Reviewed By: dhruba
Differential Revision: https://reviews.facebook.net/D3201
2012-05-15 10:10:01 -07:00
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