From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Kukunas Subject: AVX RAID5 xor checksumming Date: Thu, 29 Mar 2012 14:44:17 -0700 Message-ID: <1333057458-2986-1-git-send-email-james.t.kukunas@linux.intel.com> Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: hpa@zytor.com, neilb@suse.de List-Id: linux-raid.ids Hi Folks, The following patch adds an AVX implementation of the RAID5 xor checksumming functions. Based on xor_speed, the AVX implementation appears to be ~32% faster than the SSE implementation on my i7 2600: generic_sse: 15088.000 MB/sec avx: 19936.000 MB/sec Thanks.