Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
To:	cygwin AT cygwin DOT com
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
Lines:	19
Message-ID:	<dc926n$tko$1@sea.gmane.org>
References:	<dc7n8k$m72$1 AT sea DOT gmane DOT org> <42E76865 DOT 4000301 AT familiehaase DOT de> <dc82t0$r0a$1 AT sea DOT gmane DOT org> <42E7B413 DOT 8040203 AT familiehaase DOT de> <dc8ebq$36m$1 AT sea DOT gmane DOT org> <Pine DOT GSO DOT 4 DOT 61 DOT 0507271350010 DOT 21789 AT slinky DOT cs DOT nyu DOT edu>
Mime-Version:	1.0
User-Agent:	Mozilla Thunderbird 1.0.2 (Windows/20050317)
In-Reply-To:	<Pine.GSO.4.61.0507271350010.21789@slinky.cs.nyu.edu>
X-IsSubscribed:	yes

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


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -