Re: [PATCH 1/2] SHA1 transform: x86_64 AVX2 optimization - assembly code-v2

2014-03-17 Thread chandramouli narayanan
On Fri, 2014-03-14 at 06:34 +0100, Marek Vasut wrote: On Wednesday, March 12, 2014 at 07:47:43 PM, chandramouli narayanan wrote: This git patch adds x86_64 AVX2 optimization of SHA1 transform to crypto support. The patch has been tested with 3.14.0-rc1 kernel. On a Haswell desktop,

Re: [PATCH 1/2] SHA1 transform: x86_64 AVX2 optimization - assembly code-v2

2014-03-13 Thread Marek Vasut
On Wednesday, March 12, 2014 at 07:47:43 PM, chandramouli narayanan wrote: This git patch adds x86_64 AVX2 optimization of SHA1 transform to crypto support. The patch has been tested with 3.14.0-rc1 kernel. On a Haswell desktop, with turbo disabled and all cpus running at maximum frequency,

[PATCH 1/2] SHA1 transform: x86_64 AVX2 optimization - assembly code-v2

2014-03-12 Thread chandramouli narayanan
This git patch adds x86_64 AVX2 optimization of SHA1 transform to crypto support. The patch has been tested with 3.14.0-rc1 kernel. On a Haswell desktop, with turbo disabled and all cpus running at maximum frequency, tcrypt shows AVX2 performance improvement from 3% for 256 bytes update to 16%