On Mon, 2010-12-20 at 15:46 +0100, Maarten Maathuis wrote: > 2010/12/14 Michel Dänzer <[email protected]>: > > On Mon, 2010-12-13 at 19:42 +0100, Maarten Maathuis wrote: > >> - Apps like xterm can trigger a lot of fallback rendering. > >> - This can lead to (annoyingly) high latencies, because you > >> have to wait for the block handler. > >> - You need a driver that doesn't directly access the front > >> buffer to trigger this (NV50+ nouveau for example). > >> - Repeatingly doing dmesg on an xterm with a bitmap font > >> will reveal that you never see part of the text. > >> - I have recieved at least one complaint in the past of slow > >> terminal performance, which was related to core font > >> rendering. > >> - This does sacrifice some throughput, not sure how much, > > > > Shouldn't be hard to measure. > > I did a little test (catting a saved copy of dmesg) and the throughput > loss is about 25%.
What are the absolute numbers? -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
