perl malloc slow?

[Robin P. Blanchard]

> -----Original Message-----
> From: owner-freebsd-current at freebsd.org 
> [mailto:owner-freebsd-current at freebsd.org] On Behalf Of Holger Kipp
> Sent: Wednesday, January 14, 2004 6:51 AM
> To: kris at obsecurity.org; des at des.no
> Cc: stable at freebsd.org; current at freebsd.org
> Subject: Re: perl malloc slow?
> 
> Kris Kennaway (kris at obsecurity.org) wrote: 
> >
> >> This is basically a bug in Perl (poor choice of algorithm 
> for growing 
> >> strings).  Perl's malloc() implementation knows about and 
> compensates 
> >> for this bug.  FreeBSD's malloc() implementation does not.
> 
> >I heard someone say it was fixed in perl 5.<mumble> (8?)
> 
> As I now know, at least the perl(5.8.2) port is build with 
> perl malloc as default.
> 
> Sorry for starting this thread - but I learned a lot about 
> malloc this way ;-) and with perl v5.8.2 performance is very 
> good again!

Just another piece of possible useful information for the list...

Building mod_perl2-1.99r12 against perl-5.6.1_15 with -DWITH_PERL_MALLOC
causes apache2 to core dump; without -DWITH_PERL_MALLOC, all's well.

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Robin P. Blanchard
Systems Integration Specialist
Georgia Center for Continuing Education
fon: 706.542.2404 < > fax: 706.542.6546
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