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(parent: 54f8934) | patch
lib/raid6: Add AVX2 optimized recovery functions
authorJim Kukunas <james.t.kukunas@linux.intel.com>
Thu, 8 Nov 2012 21:47:44 +0000 (13:47 -0800)
committerNeilBrown <neilb@suse.de>
Thu, 13 Dec 2012 05:42:01 +0000 (16:42 +1100)
commit7056741fd9fc14a65608549a4657cf5178f05f63
treeb30504208f8261c4a0a2625169eaff9aa9de544etree | snapshot (tar.gz zip)
parent54f89341e8b8da0cdac8a7b873491739de19f098commit | diff
lib/raid6: Add AVX2 optimized recovery functions

Optimize RAID6 recovery functions to take advantage of
the 256-bit YMM integer instructions introduced in AVX2.

The patch was tested and benchmarked before submission.
However hardware is not yet released so benchmark numbers
cannot be reported.

Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
arch/x86/Makefile diff | blob | blame | history
include/linux/raid/pq.h diff | blob | blame | history
lib/raid6/Makefile diff | blob | blame | history
lib/raid6/algos.c diff | blob | blame | history
lib/raid6/recov_avx2.c [new file with mode: 0644] blob
lib/raid6/test/Makefile diff | blob | blame | history
lib/raid6/x86.h diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)