This patch series optimized CRC32C calculations with PCLMULQDQ
instruction for crc32c-intel module. It speeds up the original
implementation by 1.6x for 1K buffer and by 3x for buffer 4k or
more. The tcrypt module was enhanced for doing speed test
on crc32c calculations.
Tim
Signed-off-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
---
Tim Chen (3):
Rename crc32c-intel.c to crc32c-intel_glue.c
Optimize CRC32C calculation with PCLMULQDQ instruction
Added speed test in tcrypt for crc32c
arch/x86/crypto/Makefile | 1 +
.../crypto/{crc32c-intel.c => crc32c-intel_glue.c} | 75 ++++
arch/x86/crypto/crc32c-pcl-intel-asm.S | 460 ++++++++++++++++++++
crypto/tcrypt.c | 4 +
4 files changed, 540 insertions(+), 0 deletions(-)
rename arch/x86/crypto/{crc32c-intel.c => crc32c-intel_glue.c} (70%)
create mode 100644 arch/x86/crypto/crc32c-pcl-intel-asm.S
--
1.7.7.6
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