Commit Graph
2 Commits
Author SHA1 Message Date
Udalov Max af44ce270e blake2b: use math.bits rotate functions instead of ad-hoc implementations
This makes code more readable and idiomatic and slightly improves performance.

Updates golang/go#31456

Benchstat:
name        old time/op    new time/op    delta
Write128-4     271ns ± 4%     250ns ± 2%  -7.78%  (p=0.000 n=10+9)
Write1K-4     2.01µs ± 6%    1.97µs ± 5%    ~     (p=0.393 n=10+10)
Sum128-4       271ns ± 6%     276ns ± 5%    ~     (p=0.342 n=10+10)
Sum1K-4       1.98µs ±11%    2.03µs ± 4%    ~     (p=0.093 n=10+10)

name        old speed      new speed      delta
Write128-4   471MB/s ± 4%   511MB/s ± 2%  +8.34%  (p=0.000 n=10+9)
Write1K-4    511MB/s ± 6%   521MB/s ± 5%    ~     (p=0.393 n=10+10)
Sum128-4     472MB/s ± 6%   463MB/s ± 6%    ~     (p=0.315 n=10+10)
Sum1K-4      520MB/s ±10%   504MB/s ± 4%    ~     (p=0.105 n=10+10)

Change-Id: I7e18379c02a78c77afcf8195d42307f71bc49fe0
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/173277
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-22 16:24:23 +00:00
Andreas Auernhammer 9e9c7d4ed3 blake2b: new package
Add the hash function BLAKE2b defined in RFC 7693.

On amd64/AVX2
name 		time/op
Write128-4 	164ns ± 1%
Write1K-4 	1.19µs ± 2%
Sum128-4 	187ns ± 1%
Sum1K-4 	1.21µs ± 1%

name 		speed
Write128-4 	800MB/s ± 1%
Write1K-4 	856MB/s ± 2%
Sum128-4 	682MB/s ± 1%
Sum1K-4     	842MB/s ± 1%

On amd64/SSE4
name 		time/op
Write128-4 	192ns ± 1%
Write1K-4 	1.37µs ± 0%
Sum128-4 	215ns ± 1%
Sum1K-4 	1.39µs ± 1%

name 		speed
Write128-4 	665MB/s ± 1%
Write1K-4 	746MB/s ± 0%
Sum128-4 	592MB/s ± 1%
Sum1K-4 	735MB/s ± 1%

Change-Id: I0b41ae136980b0e8a970be330e8cc5f02b9e6818
Reviewed-on: https://go-review.googlesource.com/30918
Reviewed-by: Adam Langley <agl@golang.org>
2016-10-18 17:05:21 +00:00