[Newbies] Re: problem with big dictionary

[Klaus D. Witzel]

Petr,

yes, there seems to be a limit <= 1GB in the 32bit VM's. It is perhaps  
possible to bypass the problem by using the -mmap argument but I have no  
experience with that.

Perhaps you find a more recent VM executable which fits:

- http://www.squeakvm.org/unix/

IIRC > 1GB of memory is addressed in the 64bit VM's.

/Klaus

On Wed, 18 Oct 2006 17:23:00 +0200, Petr Fischer wrote:

> Thanks for this workaround - it works now.
>
> But highest value for -memory parameter is 880MB (on my Ubuntu Linux).
> If I try greater value than 880MB, squeak falls down with message:
> "bad address: negative".
>
> pf
>
> Klaus D. Witzel píše v St 18. 10. 2006 v 16:31 +0200:
>> Hi Petr,
>>
>> hm, I think that I've seen that, have a look at
>>
>> - http://bugs.impara.de/view.php?id=4709
>>
>> Find the word "workaround" on that page. Perhaps this helps you, too.
>>
>> /Klaus
>>
>> On Wed, 18 Oct 2006 16:04:39 +0200, Petr Fischer wrote:
>>
>> > Klaus D. Witzel píše v St 18. 10. 2006 v 15:45 +0200:
>> >> Hi Petr,
>> >>
>> >> it just passed 1 250 000 here, without the symptoms you describe, on  
>> a
>> >> 1GB
>> >> WinXP notebook.
>> >>
>> >> What platform are you using?
>> >
>> >
>> > Ubuntu Linux (Dapper)
>> > kernel: 2.6.15-27-686 #1 SMP PREEMPT
>> > PentiumM (Sonoma) 1.86GHz, 2GB RAM
>> >
>> > squeak -version
>> > ---
>> > 3.7-7 #1 Fri Apr 14 11:44:44 UTC 2006 gcc 4.0.3
>> > Squeak3.7 of '4 September 2004' [latest update: #5989]
>> > Linux vernadsky 2.6.12 #1 SMP Mon Jan 2 16:52:14 UTC 2006 i686  
>> GNU/Linux
>> > default plugin location: /usr/lib/squeak/3.7-7/*.so
>> >
>> >
>> >>
>> >> /Klaus
>> >>
>> >> P.S. I always declare temps explicitly in a workspace, I don't like  
>> the
>> >> possible surprise and also because I want to see the temps when I
>> >> interrupt the DoIt with alt-.
>> >>
>> >> On Wed, 18 Oct 2006 14:35:42 +0200, Petr Fischer wrote:
>> >>
>> >> > Hi, what is wrong with this code:
>> >> > -----
>> >> > cnt := 5000000.
>> >> > s := ' jasdfh afhahkjasdf asdf sd'.
>> >> > d := Dictionary new: cnt.
>> >> > 1 to: cnt do: [ :i |
>> >> > 	d at: i put: (i asString, s).
>> >> > 	(i \\ 50000 = 0) ifTrue: [ Transcript show: i; cr. ].
>> >> > ].
>> >> > d size.
>> >> > -----
>> >> >
>> >> > Squeak (latest 3.9) hangs randomly after 600 000 - 1 000 000
>> >> iterations
>> >> > (about 129MB of RAM [2GB] used before hang).
>> >> >
>> >> > hang = white squeak window, no interaction possible, 100% of cpu  
>> usage
>> >> >
>> >> > Thanks for suggestions, pf
>> >>
>> >>
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>> >>
>>
>>
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