#6943: Make @parallel work for callable objects
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Reporter: boothby | Owner: boothby
Type: defect | Status: new
Priority: critical | Milestone:
Component: misc | Keywords:
Reviewer: | Author:
Merged: |
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The following should work:
{{{
@parallel
@cached_function
def foo(x):
return x+1
}}}
however, when we attempt to evaluate foo...
{{{
sage: for k in foo(range(200)):
... print k
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/home/boothby/.sage/sage_notebook/worksheets/admin/69/code/995.py", line
7, in <module>
for k in foo(range(_sage_const_200 )):\u000a print k
File "", line 1, in <module>
File "/scratch/boothby/sage/local/lib/python2.6/site-
packages/sage/parallel/multiprocessing.py", line 63, in parallel_iter
fp = pickle_function(f)
File "fpickle.pyx", line 60, in sage.misc.fpickle.pickle_function
(sage/misc/fpickle.c:746)
AttributeError: 'CachedFunction' object has no attribute 'func_code'
}}}
If any callable object is picklable, it should work with the parallel
decorator.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6943>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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