Am 12.03.2015 um 17:39 schrieb Paul Royik:
I'm running my site under mod_wsgi+apache.
How many people simultaneously can calculate integral?
I experience problems with memory limit and need to adjust number of
threads/processes/workers.
Ah, now I understand.
Integration can take large amounts of memory - I have seen footprints
over 4 GB for a single integral, and I doubt that that's the limit.
I'm no authority on the subject, but AFAIK such things happen when the
integrand is "difficult", i.e. the algorithms in SymPy do not find the
right solution quickly.
I think the best you can do is to impose a limit on how much resources a
web request may take, and if the process exceeds them, kill it and serve
a page with a message saying that the formula was too difficult
(possibly with some tips how to make the formula easier, or a link to
the appropriate pages in the SymPy documentation).
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