[PATCH RFC 2/2 V3] Improve 64bit memset for Corei7 with avx2 instruction

Andreas Jaeger aj@suse.com
Mon Jul 29 10:02:00 GMT 2013


On 07/29/2013 11:49 AM, Ling Ma wrote:
> The Attachment includes how to setup cpu2006 gcc.403 to measure
> memset/memcpy respectively. the readme.txt specify the process.
> Any problem, please let me know.

Ling,

You're comparing against memcpy_sse2_unaligned but wouldn't the selector
use __memcpy_ssse3 on current Haswell cpus and thus you should compare
your new routine against that one?

Andreas
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