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Re: [perl #50352] Perl 5.10 Storable extremely slow for large trees of data

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From:
Nicholas Clark
Date:
January 29, 2008 01:52
Subject:
Re: [perl #50352] Perl 5.10 Storable extremely slow for large trees of data
Message ID:
20080129095234.GO38653@plum.flirble.org
On Mon, Jan 28, 2008 at 11:26:34AM -0800, Clinton A. Pierce wrote:

> To duplicate a large expat-parsed XML structure (with refs of refs of refs),
> 
> I'm doing the following:
> 
> 
> my $temp = Storable::freeze $originalXml;
> my $copyXml = Storable::thaw($temp);
> 
> 
> And by "large" I mean about 8MB when dumped with Data::Dumper.  Under Perl
> 5.6
> the "freeze" takes fractions of a second.  Under Perl 5.10 it takes many
> seconds
> (between 5-8 seconds).

Do you have a sample data structure you can attach?
Do you have results for perl 5.8.8?

5.10 comes with Storable 2.18. If you download this from CPAN and build it
for 5.6, is it slow?

Nicholas Clark
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