#10295: Upgrade and optimize pexpect
-------------------------------------+-------------------------------------
Reporter: SimonKing | Owner: was
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: interfaces | Resolution:
Keywords: pexpect upgrade | Merged in:
Authors: François Bissey, | Reviewers: Jeroen Demeyer
Bill Page, Jeroen Demeyer | Work issues:
Report Upstream: Reported | Commit:
upstream. No feedback yet. | f0523e41eb491c0589c230973229cfeb2123dccd
Branch: | Stopgaps:
u/jdemeyer/pexpect3.3 |
Dependencies: #19671 |
-------------------------------------+-------------------------------------
Comment (by leif):
Replying to [comment:148 jdemeyer]:
> Replying to [comment:144 bpage]:
> > Do you have timings before and after for the full Sage test suite or
at least those parts of it that exercise most of the functionality
associated with those other parts of Sage besides gap that use external
components via pexpect?
>
> See [attachment:old-pexpect.log] and [attachment:new-pexpect.log] for
the output of
> {{{
> ./sage -t --optional=sage src/sage/interfaces/*.py*
src/sage/interfaces/*.py* src/sage/interfaces/*.py*
src/sage/interfaces/*.py* src/sage/interfaces/*.py*
> }}}
> (test all files in `src/sage/interfaces` 5 times).
>
> The total time of those tests is (I'm not claiming that anything is
statistically significant):
>
> old:
> {{{
> Total time for all tests: 378.2 seconds
> cpu time: 86.5 seconds
> cumulative wall time: 365.2 seconds
> }}}
>
> new:
> {{{
> Total time for all tests: 360.3 seconds
> cpu time: 93.6 seconds
> cumulative wall time: 347.1 seconds
> }}}
So the CPU time increased by a significant amount, which is bad...
(Not sure how reliable the figures at all are.)
--
Ticket URL: <http://trac.sagemath.org/ticket/10295#comment:149>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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