This adds an asm implementation for poly1305 on ppc64le, based on
the amd64 asm implementation using the mac interface.
The improvements on a power8 based on the poly1305 benchmarks are:
name old time/op new time/op delta
64 172ns ± 0% 78ns ± 0% -54.77% (p=1.000 n=1+1)
1K 1.47µs ± 0% 0.59µs ± 0% -59.69% (p=1.000 n=1+1)
2M 2.84ms ± 0% 1.12ms ± 0% -60.47% (p=1.000 n=1+1)
64Unaligned 172ns ± 0% 78ns ± 0% -54.59% (p=1.000 n=1+1)
1KUnaligned 1.47µs ± 0% 0.59µs ± 0% -59.69% (p=1.000 n=1+1)
2MUnaligned 2.84ms ± 0% 1.13ms ± 0% -60.23% (p=1.000 n=1+1)
Write64 100ns ± 0% 46ns ± 0% -53.80% (p=1.000 n=1+1)
Write1K 1.40µs ± 0% 0.56µs ± 0% -59.90% (p=1.000 n=1+1)
Write2M 2.84ms ± 0% 1.12ms ± 0% -60.46% (p=1.000 n=1+1)
Write64Unaligned 100ns ± 0% 46ns ± 0% -53.60% (p=1.000 n=1+1)
Write1KUnaligned 1.40µs ± 0% 0.56µs ± 0% -59.90% (p=1.000 n=1+1)
Write2MUnaligned 2.84ms ± 0% 1.13ms ± 0% -60.22% (p=1.000 n=1+1)
Change-Id: I77cc9bb3645a6b1a6edc414b5651dc37ae4a7410
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/173421
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Munday <mike.munday@ibm.com>
12 lines
318 B
Go
12 lines
318 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !amd64,!ppc64le gccgo appengine
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package poly1305
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type mac struct{ macGeneric }
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func newMAC(key *[32]byte) mac { return mac{newMACGeneric(key)} }
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