From: jussi.kivilinna@iki.fi (Jussi Kivilinna)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] crypto/arm: accelerated SHA-512 using ARM generic ASM and NEON
Date: Sat, 28 Mar 2015 12:37:44 +0200 [thread overview]
Message-ID: <55168478.4030202@iki.fi> (raw)
In-Reply-To: <1427527726-25022-1-git-send-email-ard.biesheuvel@linaro.org>
On 28.03.2015 09:28, Ard Biesheuvel wrote:
> This updates the SHA-512 NEON module with the faster and more
> versatile implementation from the OpenSSL project. It consists
> of both a NEON and a generic ASM version of the core SHA-512
> transform, where the NEON version reverts to the ASM version
> when invoked in non-process context.
>
> Performance relative to the generic implementation (measured
> using tcrypt.ko mode=306 sec=1 running on a Cortex-A57 under
> KVM):
>
> input size block size asm neon old neon
>
> 16 16 1.39 2.54 2.21
> 64 16 1.32 2.33 2.09
> 64 64 1.38 2.53 2.19
> 256 16 1.31 2.28 2.06
> 256 64 1.38 2.54 2.25
> 256 256 1.40 2.77 2.39
> 1024 16 1.29 2.22 2.01
> 1024 256 1.40 2.82 2.45
> 1024 1024 1.41 2.93 2.53
> 2048 16 1.33 2.21 2.00
> 2048 256 1.40 2.84 2.46
> 2048 1024 1.41 2.96 2.55
> 2048 2048 1.41 2.98 2.56
> 4096 16 1.34 2.20 1.99
> 4096 256 1.40 2.84 2.46
> 4096 1024 1.41 2.97 2.56
> 4096 4096 1.41 3.01 2.58
> 8192 16 1.34 2.19 1.99
> 8192 256 1.40 2.85 2.47
> 8192 1024 1.41 2.98 2.56
> 8192 4096 1.41 2.71 2.59
> 8192 8192 1.51 3.51 2.69
>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
>
> This should get the same treatment as Sami's sha56 version: I would like
> to wait until the OpenSSL source file hits the upstream repository so that
> I can refer to its sha1 hash in the commit log.
>
> arch/arm/crypto/Kconfig | 2 -
> arch/arm/crypto/Makefile | 8 +-
> arch/arm/crypto/sha512-armv4.pl | 656 ++++++++++++
> arch/arm/crypto/sha512-armv7-neon.S | 455 ---------
> arch/arm/crypto/sha512-core.S_shipped | 1814 +++++++++++++++++++++++++++++++++
> arch/arm/crypto/sha512.h | 14 +
> arch/arm/crypto/sha512_glue.c | 255 +++++
> arch/arm/crypto/sha512_neon_glue.c | 155 +--
> 8 files changed, 2762 insertions(+), 597 deletions(-)
> create mode 100644 arch/arm/crypto/sha512-armv4.pl
> delete mode 100644 arch/arm/crypto/sha512-armv7-neon.S
Acked-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
> create mode 100644 arch/arm/crypto/sha512-core.S_shipped
> create mode 100644 arch/arm/crypto/sha512.h
> create mode 100644 arch/arm/crypto/sha512_glue.c
>
next prev parent reply other threads:[~2015-03-28 10:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-28 7:28 [PATCH] crypto/arm: accelerated SHA-512 using ARM generic ASM and NEON Ard Biesheuvel
2015-03-28 10:37 ` Jussi Kivilinna [this message]
2015-03-29 14:07 ` Andy Polyakov
2015-04-06 7:29 ` Ard Biesheuvel
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