On Thu, Aug 23, 2018 at 03:48:51PM +0100, Ard Biesheuvel wrote: > Speed up the GHASH algorithm based on 64-bit polynomial multiplication > by adding support for 4-way aggregation. This improves throughput by > ~85% on Cortex-A53, from 1.7 cycles per byte to 0.9 cycles per byte. > > When combined with AES into GCM, throughput improves by ~25%, from > 3.8 cycles per byte to 3.0 cycles per byte. > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > --- > v2: modulo schedule the loads of the input > add AES/GCM performance numbers to commit log > > arch/arm/crypto/Kconfig | 1 + > arch/arm/crypto/ghash-ce-core.S | 108 +++++++++++++++++++- > arch/arm/crypto/ghash-ce-glue.c | 38 +++++-- > 3 files changed, 131 insertions(+), 16 deletions(-) Patch 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
