Even a simple

	MessageTally spyOn: [Transcript cr; show:'hello'].

exhibits a factor 2x slowdown between 3.8 and 3.10

Nicolas


Matthias Berth wrote:
> Hello,
> 
> 
> can anyone tell me were to find the earliest available 3.9 alpha image?
> 
> I want to identify the cause of the slowdown of browsers when you have
> many of them opened.
> 
>   http://article.gmane.org/gmane.comp.lang.smalltalk.squeak.general/108359
> 
> I am using the benchmark from Andreas. So far I see the problem in the
> current squeak-dev 3.9.1, Squeak3.9b-7029.image. Browser speed is OK
> in Squeak3.8-6665.image (Squeak3.8-6665-basic.zip).
> 
> Cheers
> 
> Matthias
> 
> PS: Benchmark results on my machine:
> "Run this several times, do not close browser windows."
> win := Browser openBrowser topView.
> win extent: 600 at 350.
> br := win model.
> br setClassOrganizer.
> br systemCategoryListIndex: 2.
> World doOneCycle.
> 
> Transcript cr; show: [1 to: 10 do:[:i|
>        br classListIndex: i.
>        World doOneCycle.
>  ]] timeToRun.
> 
> 
> 
> sq3.9.1-7075dev08.04.1.image
> 1880
> 1591
> 1420
> 1860
> 2550
> 3341
> 3262
> 3821
> 4396
> 4802
> 
> Squeak3.9-final-7067.image  07-Nov-2006 11:07
> 1001
> 1410
> 1842
> 2353
> 2794
> 3273
> 3809
> 4440
> 
> Squeak3.9b-7029.image  04-May-2006 20:54
> 1161
> 1793
> 2421
> 3063
> 3565
> 4004
> 4556
> 4987
> 
> 
> Squeak3.8-6665.image Squeak3.8-6665-basic.zip   15-Jun-2005
> 942
> 918
> 930
> 945
> 975
> 985
> 1040
> 1076
> 
>