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Performance improvements #11

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Performance improvements #11

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  • 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%

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Performance improvements
a173c14 
* 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%
This was referenced Jun 22, 2018
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