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Davies Liu authored
The Slicing-By-8 [1] algorithm has much performance improvements than current approach. This patch only uses it for IEEE, which is the most common case in practice. There is the benchmark on Mac OS X 10.9: benchmark old MB/s new MB/s speedup BenchmarkIEEECrc1KB 349.40 353.03 1.01x BenchmarkIEEECrc4KB 351.55 934.35 2.66x BenchmarkCastagnoliCrc1KB 7037.58 7392.63 1.05x This algorithm need 8K lookup table, so it's enabled only for block larger than 4K. We can see about 2.6x improvement for IEEE. Change-Id: I7f786d20f0949245e4aa101d7921669f496ed0f7 Reviewed-on: https://go-review.googlesource.com/1863Reviewed-by:
Russ Cox <rsc@golang.org>
1e076035
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test_gen.awk |