#8611: speed up cached_function and cached_method
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Reporter: jason | Owner: tbd
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-4.6.2
Component: misc | Keywords: cached method
Author: Jason Grout, Simon King | Upstream: N/A
Reviewer: David Loeffler | Merged:
Work_issues: |
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Changes (by davidloeffler):
* status: needs_review => positive_review
* reviewer: => David Loeffler
Comment:
Applies fine and passes doctests both using 4.6.2.alpha0 on my system, and
using 4.6.1 with patchbot. I ran some tests and in the case of a method
with no arguments it's something like 15 times faster than the old code
and only a tiny bit slower than a hand-rolled cache. Code looks fine by
eye, and it's great that you added these modules to the ref manual as
well. Positive review.
I'm looking forward to using %prun in future sage versions and not finding
that 20% of the execution time has been spent in "fix_to_pos", which is
frequently the case at the moment...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8611#comment:17>
Sage <http://www.sagemath.org>
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