fumiama/blake2b-simd
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Fix benchmarks to report proper values. (#7)

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```
$ go test -run=NONE -bench .
PASS
BenchmarkHash64-4  	 1000000	      1036 ns/op	  61.77 MB/s
BenchmarkHash128-4 	 2000000	       801 ns/op	 159.67 MB/s
BenchmarkHash1K-4  	  500000	      2464 ns/op	 415.53 MB/s
BenchmarkHash8K-4  	  200000	     11212 ns/op	 730.60 MB/s
BenchmarkHash32K-4 	   30000	     40766 ns/op	 803.80 MB/s
BenchmarkHash128K-4	   10000	    163170 ns/op	 803.28 MB/s
ok  	github.com/minio/blake2b-simd	10.298s
```
This commit is contained in:
Harshavardhana
2016-07-03 12:58:02 -07:00
committed by Frank
parent 00562011ad
commit cf4f8e0c34
6 changed files with 63 additions and 79 deletions
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30
compress_amd64.go
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@@ -1,6 +1,3 @@
//+build !noasm
//+build !appengine
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
@@ -19,34 +16,13 @@
package blake2b
//go:noescape
func blockAVXLoop(p []uint8, in, iv, t, f, shffle, out []uint64)
func compressAVX(d *digest, p []uint8) {
in := make([]uint64, 8, 8)
out := make([]uint64, 8, 8)
shffle := make([]uint64, 2, 2)
// vector for PSHUFB instruction
shffle[0] = 0x0201000706050403
shffle[1] = 0x0a09080f0e0d0c0b
in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7] = d.h[0], d.h[1], d.h[2], d.h[3], d.h[4], d.h[5], d.h[6], d.h[7]
blockAVXLoop(p, in, iv[:], d.t[:], d.f[:], shffle, out)
d.h[0], d.h[1], d.h[2], d.h[3], d.h[4], d.h[5], d.h[6], d.h[7] = out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7]
}
func compress(d *digest, p []uint8) {
// Verifies if AVX2 or AVX is available, use optimized code path.
if avx2 {
compressAVX2(d, p)
return
} else if avx {
compressAVX(d, p)
return
} // else { fallback to generic approach.
compressGeneric(d, p)
} else {
compressGeneric(d, p)
}
}