#10295: Upgrading pexpect
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Reporter: SimonKing | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: interfaces | Resolution:
Keywords: pexpect upgrade | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/fbissey/pexpect3.3 | a24eab3ce985874ab8445ed5e362bbeead76fd40
Dependencies: | Stopgaps:
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Comment (by nbruin):
Replying to [comment:57 fbissey]:
> Note that while William says there shouldn't be a cache there is
definitely one
> {{{
> sage: %time gp.eval('2+3')
> CPU times: user 0 ns, sys: 20 ms, total: 20 ms
> Wall time: 23.4 ms
> '5'
> sage: %time gp.eval('2+3')
> CPU times: user 0 ns, sys: 0 ns, total: 0 ns
> Wall time: 309 us
> '5'
> }}}
Isn't that just the overhead of starting up the process the first time you
run it? If I subsequently send other strings to `gp`, such as
`gp.eval('3+4')`, I get similar times. That's not consistent with caching.
--
Ticket URL: <http://trac.sagemath.org/ticket/10295#comment:58>
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