• Adam Langley's avatar
    crypto/rc4: add simple amd64 asm implementation. · 475d86b6
    Adam Langley authored
    (Although it's still half the speed of OpenSSL.)
    
    benchmark           old ns/op    new ns/op    delta
    BenchmarkRC4_128         1409          398  -71.75%
    BenchmarkRC4_1K         10920         2898  -73.46%
    BenchmarkRC4_8K        131323        23083  -82.42%
    
    benchmark            old MB/s     new MB/s  speedup
    BenchmarkRC4_128        90.83       321.43    3.54x
    BenchmarkRC4_1K         93.77       353.28    3.77x
    BenchmarkRC4_8K         61.65       350.73    5.69x
    
    R=rsc, remyoudompheng
    CC=golang-dev, jgrahamc
    https://golang.org/cl/7234055
    475d86b6
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