On Fri, 2005-06-10 at 09:47 -0400, Luis Villa wrote: > On 6/10/05, Alexander Larsson <alexl redhat com> wrote: > > On Fri, 2005-06-10 at 09:40 -0400, Luis Villa wrote: > > > On 6/10/05, Luis Villa <luis villa gmail com> wrote: > > > > > > I haven't seen this announced on gtk-devel or here, so: > > > > > > > > > > > > http://gtkperf.sourceforge.net/ > > > > > > > > > > > > Apparently this is a test tool to test gtk performance. Would be great > > > > > > to have someone test 2.7 with it. > > > > > > > > > > Went ahead and did it myself. TextView is brutally slower (300-400%), > > > > > some other things are 25-30% slower, and some things actually get > > > > > faster. Disclaimer: I'm pretty sure I did this right and I'm linking > > > > > against the right stuff, but these numbers should be confirmed by an > > > > > expert, and I can't speak to the validity of the tool's measurements > > > > > itself, except to note that scrolling in a textview area is *visibly* > > > > > slower. > > > > > > > > New third column is HEAD + glitz, with an x31's ATI card. > > > > > > Someone larted me on IRC and informed me that it is likely that glitz > > > wasn't actually being used. So take these with an even bigger grain of > > > salt than my last set. I would love to know how one can (1) know for > > > certain glitz is being used and/or (2) how to force glitz to be used > > > so that I can do a quickie hack to automate this. > > > > > > Total time: 253.31 565.94 647.60 > > > > The question is: Why did you get different times then? > > Very good question. I tried to kill anything particularly > CPU-consuming, and in all cases stopped using the machine during the > test, so I don't *think* that is a factor, but it could have been- > it's not like I was running this on a perfectly-controlled test box. > (Which I'd like to do, as part of the tinderboxing, whenever someone > gets me a box to tinder on :) I suspect that it's just difficulties in the benchmark ... especially with GtkTextView, things can happen a little differently each time you run it ... a different balance between repainting the screen and updating the text. Everything other than GtkTextView looked the same up to noise, but the GtkTextView numbers dominate the total. Regards, Owen
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