On Sun, Jan 24, 2016 at 7:47 PM, Adam Wolk <adam.w...@tintagel.pl> wrote: > On Fri, 22 Jan 2016 22:46:39 +0100 (CET) > Mark Kettenis <mark.kette...@xs4all.nl> wrote: > >> Firefox makes a lot of concurrent malloc(3) calls. The locking to >> make malloc(3) thread-safe is a bit...suboptimal. This diff makes >> things better by using a mutex instead of spinlock. If you're running >> Firefox you want to try it; it makes video watchable on some machines. >> If you're not running Firefox you want to try it; to make sure it >> doesn't break things. >> >> Enjoy, >> >> Mark >> ' > > Applied to a Jan 15h snapshot sources. Youtube is not fully 'watchable' > on firefox but feels significantly better. I can also now watch full > screen youtube videos on chromium 1920x1080 with no stutter (lenovo > g50-70). > > Generally gnome 3 feels a bit snappier especially on first load, > bringing up the menu searching for 'terminal' leads to a faster > rendering of the results. This might be just 'imagined' by me. > > On a more measurable front. I ran the octane benchmark against firefox > post and before the patch. It resulted in a slight improvement from > 12486 to 12826 score [1].
Besides performance related issues, the problem we saw in the past was firefox using a huge amount of CPU resources with no apparent reasons... So please also try to test if you still see this erratic behavior with Mark's patch applied. ciao, David
