[squeak-dev] Low Memory Warning although enough memory is available

r2ruyu-nana at yahoo.de r2ruyu-nana at yahoo.de
Sun Feb 27 21:29:01 UTC 2011


Thank you for your answers. :)

Best regards,
   r2ruyu-nana


On Sunday 27 February 2011 04:06:36 Levente Uzonyi wrote:
> On Sat, 26 Feb 2011, r2ruyu-nana at yahoo.de wrote:
> > Hiya!
> > 
> > We encounter problems with low memory warnings ("Space is low", "Warning!
> > Squeak is almost out of memory!").
> > 
> > Setup here:
> >  * Squeak 3.9 (tested also with 4.2)
> >  * Win32
> >  * 2GB of memory
> > 
> > We can reproduce the problem here with:
> > 	bmp1 := Form fromFileNamed: 'hauptabschnitt_lang.bmp'.
> > 	bmp2 := Form fromFileNamed: 'hauptabschnitt1.bmp'.
> > 
> > 'hauptabschnitt_lang.bmp' is 24 bit, 273,8MB file.
> > 'hauptabschnitt1.bmp' is 24 bit, 95,8MB file.
> > 
> > 'Doing" the first line works, doing the second popups the low memory
> > warning. With the task manager we see Squeak using about 412MB after the
> > first line. There should be enough memory left for Squeak.
> > 
> > How to make both lines work? As stated in the wiki [1], the "-memory: N"
> > argument is out of date. Indeed, Squeak behaves equal with different N
> > (we tried 512, 768, 1024, 2048; but it's interesting that this parameter
> > is still accepted by Squeak 3.9).
> > 
> > I tried Squeak 4.2 but it's the same (although it needs overall 398MB
> > after the first line).
> 
> IIRC the Windows VM can't use more than 512MB. According Dave's mail,
> you're trying to allocate 530MB+ memory (1.33 * 398).
> 
> > (By the way, executing the first line above is quite fast - but doing the
> > same with equivalent png-file is about 5x slower - how come?)
> 
> It takes a while to decompress the contents.
> 
> 
> Levente
> 
> > Any hints on this?
> > 
> > 
> > Best regards,
> > 
> >   r2ruyu-nana ;)
> > 
> > [1] http://wiki.squeak.org/squeak/981



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