[Cython] Cython 0.15 release candidate

[Robert Bradshaw]

On Fri, Jul 29, 2011 at 11:24 AM, mark florisson
<markflorisson88 at gmail.com> wrote:
> On 29 July 2011 20:06, Robert Bradshaw <robertwb at math.washington.edu> wrote:
>> On Fri, Jul 29, 2011 at 1:33 AM, mark florisson
>> <markflorisson88 at gmail.com> wrote:
>>> On 25 July 2011 08:03, Arfrever Frehtes Taifersar Arahesis
>>> <arfrever.fta at gmail.com> wrote:
>>>> There are 4 test failures with Python 2.6, 2.7, 3.1 and 3.2.
>>>> Output with Python 2.7:
>>>>
>>>> ======================================================================
>>>> FAIL: test_nested_break_continue (line 331) (parallel.__test__)
>>>> Doctest: parallel.__test__.test_nested_break_continue (line 331)
>>>> ----------------------------------------------------------------------
>>>> Traceback (most recent call last):
>>>>  File "/usr/lib64/python2.7/doctest.py", line 2166, in runTest
>>>>    raise self.failureException(self.format_failure(new.getvalue()))
>>>> AssertionError: Failed doctest test for parallel.__test__.test_nested_break_continue (line 331)
>>>>  File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/c/parallel.so", line unknown line number, in test_nested_break_continue (line 331)
>>>>
>>>> ----------------------------------------------------------------------
>>>> File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/c/parallel.so", line ?, in parallel.__test__.test_nested_break_continue (line 331)
>>>> Failed example:
>>>>    test_nested_break_continue()
>>>> Expected:
>>>>    6 7 6 7
>>>>    8
>>>> Got:
>>>>    6 0 -1160725808 -1160725808
>>>>    8
>>>>
>>>>
>>>> ======================================================================
>>>> FAIL: test_propagation (line 49) (parallel.__test__)
>>>> Doctest: parallel.__test__.test_propagation (line 49)
>>>> ----------------------------------------------------------------------
>>>> Traceback (most recent call last):
>>>>  File "/usr/lib64/python2.7/doctest.py", line 2166, in runTest
>>>>    raise self.failureException(self.format_failure(new.getvalue()))
>>>> AssertionError: Failed doctest test for parallel.__test__.test_propagation (line 49)
>>>>  File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/c/parallel.so", line unknown line number, in test_propagation (line 49)
>>>>
>>>> ----------------------------------------------------------------------
>>>> File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/c/parallel.so", line ?, in parallel.__test__.test_propagation (line 49)
>>>> Failed example:
>>>>    test_propagation()
>>>> Expected:
>>>>    (9, 9, 9, 9, 450, 450)
>>>> Got:
>>>>    (9, 0, 9, -1160725808, 0, 0)
>>>>
>>>>
>>>> ======================================================================
>>>> FAIL: test_nested_break_continue (line 331) (parallel.__test__)
>>>> Doctest: parallel.__test__.test_nested_break_continue (line 331)
>>>> ----------------------------------------------------------------------
>>>> Traceback (most recent call last):
>>>>  File "/usr/lib64/python2.7/doctest.py", line 2166, in runTest
>>>>    raise self.failureException(self.format_failure(new.getvalue()))
>>>> AssertionError: Failed doctest test for parallel.__test__.test_nested_break_continue (line 331)
>>>>  File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/cpp/parallel.so", line unknown line number, in test_nested_break_continue (line 331)
>>>>
>>>> ----------------------------------------------------------------------
>>>> File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/cpp/parallel.so", line ?, in parallel.__test__.test_nested_break_continue (line 331)
>>>> Failed example:
>>>>    test_nested_break_continue()
>>>> Expected:
>>>>    6 7 6 7
>>>>    8
>>>> Got:
>>>>    6 0 -1160725808 -1160725808
>>>>    8
>>>>
>>>>
>>>> ======================================================================
>>>> FAIL: test_propagation (line 49) (parallel.__test__)
>>>> Doctest: parallel.__test__.test_propagation (line 49)
>>>> ----------------------------------------------------------------------
>>>> Traceback (most recent call last):
>>>>  File "/usr/lib64/python2.7/doctest.py", line 2166, in runTest
>>>>    raise self.failureException(self.format_failure(new.getvalue()))
>>>> AssertionError: Failed doctest test for parallel.__test__.test_propagation (line 49)
>>>>  File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/cpp/parallel.so", line unknown line number, in test_propagation (line 49)
>>>>
>>>> ----------------------------------------------------------------------
>>>> File "/var/tmp/portage/dev-python/cython-0.15_rc0/work/Cython-0.15rc0/tests-2.7/run/cpp/parallel.so", line ?, in parallel.__test__.test_propagation (line 49)
>>>> Failed example:
>>>>    test_propagation()
>>>> Expected:
>>>>    (9, 9, 9, 9, 450, 450)
>>>> Got:
>>>>    (9, 0, 9, -1160725808, 0, 0)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>> Ran 5554 tests in 1509.246s
>>>>
>>>> FAILED (failures=4)
>>>> ALL DONE
>>>>
>>>> --
>>>> Arfrever Frehtes Taifersar Arahesis
>>>>
>>>> _______________________________________________
>>>> Cython-dev mailing list
>>>> Cython-dev at codespeak.net
>>>> http://codespeak.net/mailman/listinfo/cython-dev
>>>>
>>>>
>>>
>>> Unfortunately due to a bug in gcc 4.5, Dag and I have concluded that
>>> we must disable nested parallelism support in Cython, as there is no
>>> suitable workaround. (The issue is that the bug doesn't propagate
>>> lastprivates, which results in random values for inner privates.) The
>>> reduction fails in the test due to yet another bug, which can be
>>> worked around easily.
>>
>> Nice sleuthing, and thanks Arfrever for the bug report. Glad these were caught.
>>
>>> So Robert, please wait with the next release candidate until I have
>>> disabled nesting and the corresponding tests and documentation.
>>
>> Any ETA here? (I was ironically thinking about pushing out another RC
>> today, but there's no huge hurry.)
>>
>> - Robert
>> _______________________________________________
>> cython-devel mailing list
>> cython-devel at python.org
>> http://mail.python.org/mailman/listinfo/cython-devel
>>
>
> I pushed to master, but the docs are out of date, so I'm updating
> them.

Thanks.

> I also want to run the testsuite with gcc-4.5, and finally have
> a look at those numpy issues.
>
> At least the bug is fixed now in 4.5:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49897 . A pretty quick
> fix!

Wow, that was fast.

- Robert