Re: [FFmpeg-devel] [PATCH 2/9] lavfi/nlmeans: add SIMD-friendly assumptions for compute_safe_ssd_integral_image

2018-05-07 Thread Clément Bœsch
On Mon, May 07, 2018 at 12:14:37AM +0200, Michael Niedermayer wrote: > On Sun, May 06, 2018 at 01:40:53PM +0200, Clément Bœsch wrote: > > SIMD code will not have to deal with padding itself. Overwriting in that > > function may have been possible but involve large overreading of the > > sources. In

Re: [FFmpeg-devel] [PATCH 2/9] lavfi/nlmeans: add SIMD-friendly assumptions for compute_safe_ssd_integral_image

2018-05-06 Thread Michael Niedermayer
On Sun, May 06, 2018 at 01:40:53PM +0200, Clément Bœsch wrote: > SIMD code will not have to deal with padding itself. Overwriting in that > function may have been possible but involve large overreading of the > sources. Instead, we simply make sure the width to process is always a > multiple of 16.