On 8 May 2015 at 10:46, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > This replaces 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. > > This patch is based on the OpenSSL upstream version b1a5d1c65208 > of sha512-armv4.pl, which can be found here: > > https://git.openssl.org/gitweb/?p=openssl.git;h=b1a5d1c65208 > > 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 > > Acked-by: Jussi Kivilinna <jussi.kivilinna@xxxxxx> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > --- > > As agreed, I am resending this now for the next merge window. > In case the patch size is a concern again: https://git.linaro.org/people/ard.biesheuvel/linux-arm.git/shortlog/refs/heads/arm-crypto [...] -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
