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go/src/pkg/crypto/sha1/sha1block_decl.go

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crypto/sha1: faster amd64, 386 implementations -- amd64 -- On a MacBookPro10,2 (Core i5): benchmark old ns/op new ns/op delta BenchmarkHash8Bytes 785 592 -24.59% BenchmarkHash1K 8727 3014 -65.46% BenchmarkHash8K 64926 20723 -68.08% benchmark old MB/s new MB/s speedup BenchmarkHash8Bytes 10.19 13.50 1.32x BenchmarkHash1K 117.34 339.71 2.90x BenchmarkHash8K 126.17 395.31 3.13x For comparison, on the same machine, openssl 0.9.8r reports its sha1 speed as 341 MB/s for 1K and 404 MB/s for 8K. On an Intel Xeon E5520: benchmark old ns/op new ns/op delta BenchmarkHash8Bytes 984 707 -28.15% BenchmarkHash1K 11141 3466 -68.89% BenchmarkHash8K 82435 23411 -71.60% benchmark old MB/s new MB/s speedup BenchmarkHash8Bytes 8.13 11.31 1.39x BenchmarkHash1K 91.91 295.36 3.21x BenchmarkHash8K 99.37 349.91 3.52x For comparison, on the same machine, openssl 1.0.1 reports its sha1 speed as 286 MB/s for 1K and 394 MB/s for 8K. -- 386 -- On a MacBookPro10,2 (Core i5): benchmark old ns/op new ns/op delta BenchmarkHash8Bytes 1041 713 -31.51% BenchmarkHash1K 15612 3382 -78.34% BenchmarkHash8K 110152 22733 -79.36% benchmark old MB/s new MB/s speedup BenchmarkHash8Bytes 7.68 11.21 1.46x BenchmarkHash1K 65.59 302.76 4.62x BenchmarkHash8K 74.37 360.36 4.85x On an Intel Xeon E5520: benchmark old ns/op new ns/op delta BenchmarkHash8Bytes 1221 842 -31.04% BenchmarkHash1K 14643 4137 -71.75% BenchmarkHash8K 108722 27394 -74.80% benchmark old MB/s new MB/s speedup BenchmarkHash8Bytes 6.55 9.49 1.45x BenchmarkHash1K 69.93 247.51 3.54x BenchmarkHash8K 75.35 299.04 3.97x R=agl, dave CC=golang-dev https://golang.org/cl/7763049
2013-03-21 09:32:02 -06:00
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64 386
package sha1
func block(*digest, []byte)