Laurent Sansonetti
lsans****@apple*****
Fri Mar 2 20:24:53 JST 2007
Indeed, on an idle RubyCocoa application, stopping the thread switcher on my machine goes from 0.8% CPU usage to 0% :-) In fact I never really tried to understand the thread switcher code. Maybe we can reduce the switching time interval, or find a better solution to fix the problem it addresses. Laurent On Mar 2, 2007, at 2:35 AM, Fujimoto Hisa wrote: > On 2007/03/02, at 10:11, Jacob Wallström wrote: > >> I agree about your priorities. But is the bridge the problem, the cpu >> is 2% even when the app is completely idle. What is crossing the >> bridge then? > > I guess it may be from switching ruby thread freqeutyly using NSTimer. > it's for Cocoa GUI control parts. > > You may see to decrease the cpu usage by putting the following code: > > require 'osx/cocoa': > OSX.ruby_thread_switcher_stop # THIS > > > We may/should imeplement another better way instead of it. > For example putting switcher code somewhere (e.g. NSResponder method) > using method swizzling. > -- > hisa > > >> On 2 mar 2007, at 02.06, Laurent Sansonetti wrote: >> >> >>> Yes we can do better than that, I have several ideas and even some >> >>> experimental code to reduce the bridge crossing cost (but didn't >> >>> commit it yet because it's not working all the time). >> >>> >> >>> Let's focus on fixing the bugs and making a new release out, then we >> >>> can investigate how to enhance the performance (and also write some >> >>> performance regression tests). >> >>> >> >>> Laurent >> >>> >> >>> On Mar 2, 2007, at 1:14 AM, Jacob Wallström wrote: >> >>> >> >>> >>>> I noticed that the CPU usage hovers around 2% even for a complete >> >>> >>>> empty template application. Is there something that can be done >> >>> >>>> about >> >>> >>>> it? >> >>> >>>> >> >>> >>>> Best regards, >> >>> >>>> Jacob Wallström >> >>> >>>> http://ghostparksoftware.com >> >>> >>>> >> >>> >>>> >> >>> >>>> _______________________________________________ >> >>> >>>> Rubycocoa-devel mailing list >> >>> >>>> Rubyc****@lists***** >> >>> >>>> http://lists.sourceforge.jp/mailman/listinfo/rubycocoa-devel >> >>> >> >>> _______________________________________________ >> >>> Rubycocoa-devel mailing list >> >>> Rubyc****@lists***** >> >>> http://lists.sourceforge.jp/mailman/listinfo/rubycocoa-devel >> >> _______________________________________________ >> Rubycocoa-devel mailing list >> Rubyc****@lists***** >> http://lists.sourceforge.jp/mailman/listinfo/rubycocoa-devel > > _______________________________________________ > Rubycocoa-devel mailing list > Rubyc****@lists***** > http://lists.sourceforge.jp/mailman/listinfo/rubycocoa-devel
