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@xxxxxxxxxx> > --- > > 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@xxxxxx> > 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 > -- 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
