<div dir="ltr">Yes, in the commits of the Tuesday October 01 2013.</div> <div class="gmail_extra"> <div class="gmail_quote">2013/10/2 James Cameron <<a href="mailto:quozl@laptop.org" target="_blank">quozl@laptop.org</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I see nothing new, did you push? On Tue, Oct 01, 2013 at 01:20:57PM +0200, laurent bernabe wrote: > Thanks for these patch : I've applied all and commited them. > > I must admit I am yet far from good practises. > > > 2013/10/1 James Cameron <<a href="mailto:quozl@laptop.org">quozl@laptop.org</a>> > > On Tue, Oct 01, 2013 at 10:34:54AM +0200, laurent bernabe wrote: > > But I don't think I can avoid repainting all screen at each frame, > > as the balls move, so according to me, the performance gained this > > way, in the case of my application, won't be that high. Maybe, I am > > wrong. > > Yes, you're wrong. ;-) > > The performance gain is of the order of six times. Using top in 20 > second sample period, the CPU usage dropped from 30% to 5%, just for > the game process. There was a similar drop for the X process, which > is the display handler. > > Please find attached five patches, which you can apply in order. > > The patches change the drawing functions to return sequences > containing rectangles, which are then used by Pygame to update only > the parts of the screen that need to be repainted. > > If the patches do not apply (git am), then perhaps you have made other > changes, and I can rebase them. Push your changes and let me know. > > These changes will make the activity less energy intensive. > > -- > James Cameron > <a href="http://quozl.linux.org.au/" target="_blank">http://quozl.linux.org.au/</a> > > -- James Cameron <a href="http://quozl.linux.org.au/" target="_blank">http://quozl.linux.org.au/</a> </blockquote></div> </div>