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Performance improvements

Open donovanhide opened this issue 10 years ago • 0 comments

  • Use cmov instruction on amd64 for constant time move
  • FeZero and FeOne unrolled
benchmark                    old ns/op     new ns/op     delta
BenchmarkKeyGeneration-4     64769         55550         -14.23%
BenchmarkSigning-4           65107         56922         -12.57%
BenchmarkVerification-4      160966        161068        +0.06%

donovanhide avatar Sep 03 '15 12:09 donovanhide