Thanks for you guys' precious inputs. I've successfully built a 32-bit python version scikit-learn and check it by printing `sys.maxint`, and all the tests passed on my mac. (I'm running the newest dev version though)
Best, Yen-Chen 2016-07-21 0:00 GMT+08:00 Matthew Brett <[email protected]>: > On Wed, Jul 20, 2016 at 9:16 AM, Matthew Brett <[email protected]> > wrote: > > On Wed, Jul 20, 2016 at 9:09 AM, Olivier Grisel > > <[email protected]> wrote: > >>> I believe this `arch -i386` only works as a prefix for Python.org > Python, but I'm happy to be corrected. > >> > >> Then the following should work: > >> > >> arch -i386 python -c "import nose; nose.main()" sklearn > > > > Sorry - I should have been clear - this does work in selecting 32-bit > > for the tests, using a nosetests installed into a Python.org Python > > environment: > > > > arch -i386 nosetests sklearn > > Actually, I took the liberty of adding the OSX 32-bit tests to the > wheel build tests, and scikit-learn 0.17.1 has one failure on 32-bit > OSX: > > https://travis-ci.org/MacPython/scikit-learn-wheels/jobs/146127267#L11761 > > ``` > > ====================================================================== > ERROR: sklearn.tree.tests.test_tree.test_huge_allocations > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/Users/travis/build/MacPython/scikit-learn-wheels/venv/lib/python3.5/site-packages/nose/case.py", > line 198, in runTest > self.test(*self.arg) > File > "/Users/travis/build/MacPython/scikit-learn-wheels/venv/lib/python3.5/site-packages/sklearn/tree/tests/test_tree.py", > line 1032, in test_huge_allocations > assert_raises(MemoryError, clf.fit, X, y) > File > "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/unittest/case.py", > line 727, in assertRaises > return context.handle('assertRaises', args, kwargs) > File > "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/unittest/case.py", > line 176, in handle > callable_obj(*args, **kwargs) > File > "/Users/travis/build/MacPython/scikit-learn-wheels/venv/lib/python3.5/site-packages/sklearn/tree/tree.py", > line 348, in fit > max_leaf_nodes) > File "sklearn/tree/_tree.pyx", line 291, in > sklearn.tree._tree.BestFirstTreeBuilder.__cinit__ > > (/private/var/folders/gw/_2jq29095y7b__wtby9dg_5h0000gn/T/pip-j_xtpbj9-build/sklearn/tree/_tree.c:4461) > OverflowError: Python int too large to convert to C long > ``` > > No failures for 32-bit Linux though. > > Best, > > Matthew > _______________________________________________ > scikit-learn mailing list > [email protected] > https://mail.python.org/mailman/listinfo/scikit-learn >
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