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From: Krzysztof Duleba <krzysan AT skrzynka DOT pl>
Subject:  Re: perl - segfault on "free unused scalar"
Date:  Thu, 28 Jul 2005 00:35:02 +0200
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Igor Pechtchanski wrote:
> On Wed, 27 Jul 2005, Krzysztof Duleba wrote:

>>I've simplified the test case. It seems that Cygwin perl can't handle
>>too much memory. For instance:
>>
>>$ perl -e '$a="a"x(200 * 1024 * 1024); sleep 9'

>>$ perl -e '$a="a"x(1024 * 1024);my %b; $b{$_}=$a for(1..400);sleep 9'

>>$ perl -e '$a="a"x(50 * 1024 * 1024);$b=$a;$c=$a;$d=$a;$e=$a;sleep 10'
> 
> Yeah.  Set heap_chunk_in_mb to include all available memory, and I'm sure
> you'll find that Cygwin perl works the same too.

After setting heap_chunk_in_mb to 2048, all those tests passed. Thanks! But 
I still don't understand why C isn't bound by heap_chunk_in_mb and perl is.

Krzysztof Duleba


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