Re: [PATCH 0/3 v2] Optimize CRC32C calculation using PCLMULQDQ in crc32c-intel module

2012-10-15 Thread Herbert Xu
On Thu, Sep 27, 2012 at 03:44:14PM -0700, Tim Chen wrote: > Version 2 > This version of the patch series fixes compilation errors for > 32 bit x86 targets. > > Version 1 > This patch series optimized CRC32C calculations with PCLMULQDQ > instruction for crc32c-intel module. It speeds up the origin

Re: [PATCH 0/3 v2] Optimize CRC32C calculation using PCLMULQDQ in crc32c-intel module

2012-10-05 Thread Tim Chen
On Fri, 2012-09-28 at 10:57 +0800, Herbert Xu wrote: > 在 2012-9-28 上午10:54，"H. Peter Anvin" 写道： > > > > On 09/27/2012 03:44 PM, Tim Chen wrote: > >> > >> Version 2 > >> This version of the patch series fixes compilation errors for > >> 32 bit x86 targets. > >> > >> Version 1 > >> This patch series

Re: [PATCH 0/3 v2] Optimize CRC32C calculation using PCLMULQDQ in crc32c-intel module

2012-09-27 Thread H. Peter Anvin
On 09/27/2012 03:44 PM, Tim Chen wrote: Version 2 This version of the patch series fixes compilation errors for 32 bit x86 targets. Version 1 This patch series optimized CRC32C calculations with PCLMULQDQ instruction for crc32c-intel module. It speeds up the original implementation by 1.6x for

[PATCH 0/3 v2] Optimize CRC32C calculation using PCLMULQDQ in crc32c-intel module

2012-09-27 Thread Tim Chen
Version 2 This version of the patch series fixes compilation errors for 32 bit x86 targets. Version 1 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.