On Mon, Aug 27, 2018 at 05:38:10PM +0200, Ard Biesheuvel wrote: > The current arm64 CRC-T10DIF code only runs on cores that implement the > 64x64 bit PMULL instructions that are part of the optional Crypto > Extensions, and falls back to the highly inefficient C code otherwise. > > Let's provide a SIMD version that is twice as fast as the C code even on > a low end core like the Cortex-A53, and is time invariant and much easier > on the D-cache. > > Some performance numbers at the bottom. > > Ard Biesheuvel (2): > crypto: arm64/crct10dif - preparatory refactor for 8x8 PMULL version > crypto: arm64/crct10dif - implement non-Crypto Extensions alternative > > arch/arm64/crypto/crct10dif-ce-core.S | 314 +++++++++++++++----- > arch/arm64/crypto/crct10dif-ce-glue.c | 14 +- > 2 files changed, 251 insertions(+), 77 deletions(-) All applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
