On 04/09/2013 06:57 PM, Christophe Gisquet wrote: >>From 312 to 68 cycles on Arrandale and Win64. > Sandybridge: 47 cycles. > > Having a loop counter is a 7 cycle gain. > Unrolling is another 7 cycle gain. > Working in reverse scan is another 6 cycles. > --- > libavcodec/x86/sbrdsp.asm | 28 ++++++++++++++++++++++++++++ > libavcodec/x86/sbrdsp_init.c | 2 ++ > 2 files changed, 30 insertions(+)
OK -Justin _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
