On Jul 26, 2007, at 20:25 , John M McIntosh wrote:

>
> On Jul 26, 2007, at 10:06 AM, Adrian Lienhard wrote:
>
>>
>> c) Tune the GC policies as they are far from optimal for today's  
>> systems (as John has suggested a couple of times). It seems,  
>> though, that this cannot guarantee to fix the problem but it  
>> should make it less likely to happen(?).
>> I also took GC statistics while running the process (only part of  
>> it and not when it was stuck):
>> - http://www.netstyle.ch/dropbox/gcStats-1.txt.gz: standard  
>> configuration (was very slow)
>> - http://www.netstyle.ch/dropbox/gcStats-2.txt.gz: runActive with  
>> setGCBiasToGrowGCLimit: 16*1026*1024
>
>
> I'll note the standard VMMaker has a bug in it for setting the  
> setGCBiasToGrow logic.
> You must load the
>
> JMM-fixBiasToGrow.1.cs

I did not load this, but apparently the same version of the method is  
in the changeset VMMaker-tpr.58, which I got from loading the most  
recent SM package.

> change set which is found in the Mac OS/ vm/specialChangeSets/    
> directory in the SVN tree
> Without the change set this logic will not work properly.
>
> Plus of course you have to do
> Smalltalk setGCBiasToGrow: 1.

yes, I did that.

Adrian

> in order to turn the feature on, setting just the  
> setGCBiasToGrowGCLimit: won't turn it on.
>
> --
> ====================================================================== 
> =====
> John M. McIntosh <johnmci at smalltalkconsulting.com>
> Corporate Smalltalk Consulting Ltd.  http:// 
> www.smalltalkconsulting.com
> ====================================================================== 
> =====
>
>
>