On Thu, 2012-10-18 at 13:33 +0200, Peter Meerwald wrote: > > > The old code seems to be written for big-endian code. > > > NB: This one's really strange since this effectively means that our soft > > volumes on ARMv6 have been mostly broken (since almost everybody uses > > litte-endian). Review would be appreciated! > > benchmark results on Cortex-A8 were horrible > (http://lists.freedesktop.org/archives/pulseaudio-discuss/2012-February/012864.html): > > runtime on beagle-xm, 800 MHz: > > checking NEON volume_float32ne > NEON: 10223 usec. > ref: 46480 usec. > checking NEON volume_s16ne > NEON: 8484 usec. > ARM: 339272 usec. > ref: 20203 usec. That's odd indeed. I have this on a Freescale i.mx53 (also Cortex A8) Checking ARM svolume func: 905150 usec (min = 9006, max = 9562, stddev = 76.1938). orig: 2278824 usec (min = 22760, max = 23252, stddev = 65.5575). Any chance you could rerun this? Also, if anyone here has a Cortex A8 handy, please let me know. It would be good to get some more results. Cheers, Arun
