You will have to drag around the "windows" of my application to see the effect. Chrome and Safari for Windows are very slow while moving the windows. Javascript-code execution is fine with Chrome and Safari, its just the rendering of the positioned element (window).
Stefan On 5 Feb., 19:55, Jon <[email protected]> wrote: > The number I am looking at for a difference is the milliseconds number. I > assume that I want that to be lower. I see two things. First, I see that > we seem to generate more global events than FireFox 3. That is probably a > good thing. Second, I see that on my Intel based laptop FireFox seems to be > doing things at about 12ms and Chrome at about 8ms. > I want us to be faster and if you are seeing us being slower I want to > understand how to reproduce the results. > > Jon > > On Thu, Feb 5, 2009 at 8:16 AM, Stefan Blanke <[email protected]> wrote: > > > Hello again. > > Sadly I am not able to reproduce the behaviour in a simple test-case. > > Any test on reasons i can think of and reproduced didn't show the same > > lagging. So, please take a look athttp://www.webmop.de/app. Start > > dragging the "windows" by dragging the bar to see the effect. I think > > it will also depend on your machine speed (mine: old athlon 64 x2 > > 4200+, 939 Socket, GF 8600 GT) but comparisson with Firefox might > > reveal what i am talking about. There are some statistics in the > > topmost window. "Global events" are the number of all events fired > > inside the application (high value, not managed yet...), called is the > > number of how many times the move-function is called and execution > > time (10-12 ms with Chrome on my computer). > > > Stefan > > > On 3 Feb., 19:08, Jon <[email protected]> wrote: > > > I suggest you wrap all of this up into a zip file that we can use as a > > test > > > case. We are always looking for examples that show where we need to > > > improve. If we have a test case that we can measure with each build we > > can > > > track and improve our performance. > > > Once you have a self-contained example open a bug athttp://crbug.comand > > > then send me the Issue ID so I can bring it to the attention of the right > > > people. > > > > [email protected] > > > > On Sun, Feb 1, 2009 at 4:24 AM, Stefan Blanke <[email protected]> wrote: > > > > > Hi! > > > > I ran into some severe performance issues with my last project. Chrome > > > > (and safari for windows) slow down rendering free positioned DIV > > > > elements while number of unpositioned nested DIVs (inside a DIV with > > > > scrollbars) increases. The javascript code takes about 2-5 ms (!) but > > > > rendering of the positioned elements utterly stutters, this effect is > > > > even worst in safari for windows. > > > > IE7 (code: 15-20ms) performance is acceptable and Opera & Firefox > > > > (code: 5-10ms) realy fine. > > > > > Any suggestions? > > > > > Greetings Stefan --~--~---------~--~----~------------~-------~--~----~ Chromium Discussion mailing list: [email protected] View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-discuss -~----------~----~----~----~------~----~------~--~---
