#6649: [with patch, needs review] doctest failure in decorate.py (on OS X only)
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Reporter: GeorgSWeber | Owner: GeorgSWeber
Type: defect | Status: assigned
Priority: major | Milestone: sage-4.1.1
Component: porting | Keywords:
Reviewer: mhampton | Author:
Merged: |
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Comment(by mvngu):
To be extra safe, apply the patch `trac_6649_doctest.patch` to a fresh
clone of the main repository, rebuild the clone and run it. Then execute
the following from the Sage command line:
{{{
sage: @parallel()
....: def f(N): return N^2
....:
sage: v = list(f([1,2,4])); v.sort(); v
[(((1,), {}), 1), (((2,), {}), 4), (((4,), {}), 16)]
sage: @parallel('reference')
....: def f(N): return N^2
....:
sage: v = list(f([1,2,4])); v.sort(); v
[(((1,), {}), 1), (((2,), {}), 4), (((4,), {}), 16)]
sage: sage.parallel.ncpus.ncpus()
24
}}}
The command `sage.parallel.ncpus.ncpus()` would return different answers
depending on the number of CPU's on your system. In the case of the
machine sage.math it returns 24, which is the number of cores on that
machine. For an Intel Mac with dual core, I would expect
`sage.parallel.ncpus.ncpus()` to return 2. But in any case, testing that
command on a Mac should not result in a deprecation warning. The idea of
Georg's patch is to prevent the deprecation warning when using a Mac.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6649#comment:7>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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