I've previously posted about my performance issues regarding TT. At
the time, one of Matt's suggestions for improving performance was to
reduce the usage of uri_for() whenever possible.
I had some "list" pages where I'd need to display dozens of items and
link to each one of them and all my links were built using uri_for(),
e.g. [% c.uri_for("/item/view/$item.id") %].
I decided to give Matt's advice a try and changed that to something
along these lines:
[% base_item_uri = c.uri_for('/item/view/') %]
[% FOREACH item IN items %]
[% base_item_uri _ item.id %]
[% END %]
This resulted in a ~20% speedup on these pages - which is a quite good
speedup for such a small change. So, if there's anyone else suffering
from some performance issues like myself, this might help out a little
bit.
I don't really know if the Catalyst devs can make uri_for() work
faster in a sane way (maybe some sort of caching of URI objects?) but
until then, I think I'll stick to this slightly less readable
approach.
I hope this tip can help others as it did help me.
-Nilson Santos F. Jr.
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