#9169: cygwin: a cachefunc.py doctest hangs seemingly forever
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       Reporter:  was       |        Owner:  tbd
           Type:  defect    |       Status:  closed
       Priority:  major     |    Milestone:  sage-duplicate/invalid/wontfix
      Component:  porting:  |   Resolution:  worksforme
  Cygwin                    |    Merged in:
       Keywords:            |    Reviewers:  Jean-Pierre Flori
        Authors:            |  Work issues:
Report Upstream:  N/A       |       Commit:
         Branch:            |     Stopgaps:
   Dependencies:            |
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Description changed by chapoton:

Old description:

> On Cygwin, the following test hangs:
> {{{
>
>             sage: @cached_function
>             ... def oddprime_factors(n):
>             ...     l = [p for p,e in factor(n) if p != 2]
>             ...     return len(l)
>             sage: oddprime_factors.precompute(range(1,100), 4)
> }}}
>
> The above is very fast on any other platform.
>
> This results in a doctest file failure:
> {{{
> sage -t  "devel/sage/sage/misc/cachefunc.py"
> *** *** Error: TIMED OUT! PROCESS KILLED! *** ***
> *** *** Error: TIMED OUT! *** ***
>          [361.6 s]
> }}}

New description:

 On Cygwin, the following test hangs:
 {{{

             sage: @cached_function
             ... def oddprime_factors(n):
             ...     l = [p for p,e in factor(n) if p != 2]
             ...     return len(l)
             sage: oddprime_factors.precompute(range(1,100), 4)
 }}}

 The above is very fast on any other platform.

 This results in a doctest file failure:
 {{{
 sage -t  "devel/sage/sage/misc/cachefunc.py"
 *** *** Error: TIMED OUT! PROCESS KILLED! *** ***
 *** *** Error: TIMED OUT! *** ***
  [361.6 s]
 }}}

--

--
Ticket URL: <http://trac.sagemath.org/ticket/9169#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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