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Sun Yimin

SM2性能这么差？

> @emmansun 感谢分享！emmansun/gmsm的性能是不是比这个有改进？这是发布**v0.24.1**时跑的结果，分别是SM2和NIST P256，测试代码在https://github.com/emmansun/gmsm/blob/main/sm2/sm2_test.go 中 ``` go: v1.21.1 goos: windows goarch: amd64 pkg: github.com/emmansun/gmsm/sm2 cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz BenchmarkSign_SM2 BenchmarkSign_SM2-6 80709 14215 ns/op 1544 B/op 22...

Special square, pow u in final exponentiation (Faster Squaring in the Cyclotomic Subgroup of Sixth Degree Extensions)

oh, you had implemented https://github.com/cloudflare/circl/blob/v1.3.3/ecc/bls12381/ff/cyclo6.go#L4 in that project.