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    <p>OK, people, this is what I got today on #pocoo:</p> <p>[20:59] zgoda: hello, i'd like to know if i could optimize my jinja2 environment creation process, the problem -> <a href="https://stackoverflow.com/questions/618827/optimizing-jinja2-environment-creation">Optimizing Jinja2 Environment creation</a></p> <p>[21:00] zgoda: i have profiler output from "cold" app -> <a href="http://paste.pocoo.org/show/107009/" rel="nofollow noreferrer">http://paste.pocoo.org/show/107009/</a></p> <p>[21:01] zgoda: and for "hot" -> <a href="http://paste.pocoo.org/show/107014/" rel="nofollow noreferrer">http://paste.pocoo.org/show/107014/</a></p> <p>[21:02] zgoda: i'm wondering if i could somewhat lower the CPU cost of creating environment for "cold" requests</p> <p>[21:05] mitsuhiko: zgoda: put the env creation into a module that you import</p> <p>[21:05] mitsuhiko: like</p> <p>[21:05] mitsuhiko: from yourapplication.utils import env</p> <p>[21:05] zgoda: it's already there</p> <p>[21:06] mitsuhiko: hmm</p> <p>[21:06] mitsuhiko: i think the problem is that the template are re-compiled each access</p> <p>[21:06] mitsuhiko: unfortunately gae is incredible limited, i don't know if there is much i can do currently</p> <p>[21:07] zgoda: i tried with jinja bytecache but it does not work on prod (its on on dev server)</p> <p>[21:08] mitsuhiko: i know</p> <p>[21:08] mitsuhiko: appengine does not have marshal</p> <p>[21:12] zgoda: mitsuhiko: thank you</p> <p>[21:13] zgoda: i was hoping i'm doing something wrong and this can be optimized...</p> <p>[21:13] mitsuhiko: zgoda: next release will come with improved appengine support, but i'm not sure yet how to implement improved caching for ae</p> <p>It looks Armin is aware of problems with bytecode caching on AppEngine and has some plans to improve Jinja2 to allow caching on GAE. I hope things will get better over time.</p>
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    1. COSurely there's got to be a way to make it load at least roughly as fast as the built-in django template library unless they give some kind of special preloading privilege for it...
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    2. COLater on IRC Armin said he has some idea how to improve things on GAE. There is some hope. :)
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    3. COPeterh made a post that might be helpful: http://groups.google.com/group/google-appengine/msg/cf207d882941cf8d
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