[Koha-devel] Speed improvement & T::T

[Chris Nighswonger]

Nice work Paul!

I think this is worth at least a try to see what improvement may be gained.

I wonder if permissions will be an issue here?

Kind Regards,
Chris

On Fri, Dec 9, 2011 at 9:13 AM, Paul Poulain <paul.poulain at biblibre.com>wrote:

> Hello Koha-devel,
>
> As I said during last IRC chat, I'm focusing on performance improvement
> those weeks.
> I've digged into Template::Toolkit, and here
>
> http://search.cpan.org/~abw/Template-Toolkit-2.22/lib/Template/Manual/Config.pod#Caching_and_Compiling_Options
> I've found 2 options that look promizing : COMPILE_EXT and COMPILE_DIR
>
> The loading of the template seems to cost 150ms, and I feel that those 2
> options could be usefull to speed up the process. Did anyone already saw
> this option before ? Is it something worth investigating more ?
>
> Here is the documentation of the 1st option:
>
> COMPILE_EXT
>
> From version 2 onwards, the Template Toolkit has the ability to compile
> templates to Perl code and save them to disk for subsequent use (i.e.
> cache persistence). The COMPILE_EXT option may be provided to specify a
> filename extension for compiled template files. It is undefined by
> default and no attempt will be made to read or write any compiled
> template files.
>
>    my $template = Template->new({
>        COMPILE_EXT => '.ttc',
>    });
>
> If COMPILE_EXT is defined (and COMPILE_DIR isn't, see below) then
> compiled template files with the COMPILE_EXT extension will be written
> to the same directory from which the source template files were loaded.
>
> Compiling and subsequent reuse of templates happens automatically
> whenever the COMPILE_EXT or COMPILE_DIR options are set. The Template
> Toolkit will automatically reload and reuse compiled files when it finds
> them on disk. If the corresponding source file has been modified since
> the compiled version as written, then it will load and re-compile the
> source and write a new compiled version to disk.
>
> This form of cache persistence offers significant benefits in terms of
> time and resources required to reload templates. Compiled templates can
> be reloaded by a simple call to Perl's require(), leaving Perl to handle
> all the parsing and compilation. This is a Good Thing.
> --
> Paul POULAIN
> http://www.biblibre.com
> Expert en Logiciels Libres pour l'info-doc
> Tel : (33) 4 91 81 35 08
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>
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