[Qemu-devel] [PATCHv4 3/9] buffer_is_zero: use vector optimizations if possible

performance gain on SSE2 is approx. 20-25%. altivec is not tested. performance for unsigned long arithmetic is unchanged. Signed-off-by: Peter Lieven Reviewed-by: Eric Blake --- util/cutils.c |5 + 1 file changed, 5 insertions(+) diff --git a/util/cutils.c b/util/cutils.c index 41c627e

Re: [Qemu-devel] [PATCHv4 3/9] buffer_is_zero: use vector optimizations if possible

On 03/22/2013 02:46 PM, Peter Lieven wrote: > performance gain on SSE2 is approx. 20-25%. altivec > is not tested. performance for unsigned long arithmetic > is unchanged. > > Signed-off-by: Peter Lieven > Reviewed-by: Eric Blake > --- > util/cutils.c |5 + > 1 file changed, 5 insertion