1. 02 Apr, 2013 1 commit
    • Eric Roshan-Eisner's avatar
      go.crypto/sha3: change keccakF to stateless function · 48d6c5b7
      Eric Roshan-Eisner authored
      Taken from my implementation: https://bitbucket.org/ede/sha3
      Performance gain from using less memory and more registers.
      
      benchmark                       old ns/op    new ns/op    delta
      BenchmarkPermutationFunction         1484         1118  -24.66%
      BenchmarkBulkKeccak512             374993       295178  -21.28%
      BenchmarkBulkKeccak256             215496       172335  -20.03%
      
      benchmark                        old MB/s     new MB/s  speedup
      BenchmarkPermutationFunction       134.76       178.80    1.33x
      BenchmarkBulkKeccak512              43.69        55.51    1.27x
      BenchmarkBulkKeccak256              76.03        95.07    1.25x
      
      R=jcb, agl
      CC=golang-dev, nigeltao
      https://codereview.appspot.com/8088044
      
      Committer: Adam Langley <agl@golang.org>
      48d6c5b7
  2. 22 Mar, 2013 2 commits