antocuni changed the topic of #pypy to: PyPy, the flexible snake (IRC logs: https://botbot.me/freenode/pypy/ ) | use cffi for calling C | "PyPy: the Gradual Reduction of Magic (tm)"
<kenaan_> mattip py3.5-msvc14 c16af036eb3c /rpython/translator/platform/windows.py: prefer msvc14
<bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3700 [mattip: force build, py3.5-msvc14]
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<bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3700 [mattip: force build, py3.5-msvc14]
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<pzza> anyone here by any chance has build pypy on a buildroot platform?
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<kenaan_> arigo cffi/cffi 2d01bb9db3de /cffi/setuptools_ext.py: More comments for e59662b013b4
<LarstiQ> pzza: a "buildroot platform"?
<pzza> LarstiQ: Buildroot is a Cross-Compiler for embedded systems (https://buildroot.org/)
<LarstiQ> pzza: aha
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<mattip> pzza: this used to work for cross-translating http://rpython.readthedocs.io/en/latest/arm.html
<pzza> mattip: ok thx
<mattip> let us know if it is too out of date to work, is scratchbox still a thing?
<mattip> on a totally different note, merging default into py3.5 broke resolution of circular dependencies,
<mattip> which is why the ensurepip build step now fails
<mattip> but I'm not seeing any suspicious broken own test
<pzza> mattip: hehehe, actually, I saw "scratchbox", and decided I don't have time for that now ;-)
<mattip> yeah, your response is typical :)
<pzza> sorry ;-)
<mattip> that's why we don't know if it still works
<pzza> i see
<mattip> or if there might be a better solution
<pzza> i'm mostly a python programmer, so i'm a bit out of my league here anyway
<pzza> i was trying to crosscompile for an ARM buildroot
<pzza> well, a guy over at #buildroot is giving it a go using buildroot only... we'll see ;-)
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<mattip> there is a minimal test on that page, near the bottom
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<mattip> maybe not circular import, rather mapdict attrribute limiting failure (from mapdict-size-limit) ?
<mattip> ok, that seems to be the failure, now to whittle it down to a failing test
<mattip> it must switch strategy after a certain number of attibutes but does not copy them properly
<mattip> cfbolz: ^^^
<mattip> maybe only for UnicodeStrategy?
<cfbolz> mattip: sorry, I'm quite sick so I can't look right now, but I think this is the part that's wrong: https://bitbucket.org/pypy/pypy/src/5c20792cdaa90666e83b6c8e59e3e4b5abe90d51/pypy/objspace/std/mapdict.py?at=py3.5&fileviewer=file-view-default#mapdict.py-770
<mattip> ok, thanks for the confirmation that something is up
<mattip> there are no unicode tests in test_mapdict AFAICT
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<kenaan_> mattip py3.5 8c123f06687c /pypy/module/cpyext/test/test_longobject.py: fix test for python3
<kenaan_> mattip py3.5 d46f72070fa8 /pypy/objspace/std/: test, fix for unicode keys. Shouldn't there be a case for ByteDictStrategy?
<mattip> cfbolz: that seems to be sufficient to fix the current failure, if it is wrong feel free to revert/fix differently
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<kenaan_> mattip py3.5 71e87bfd8acd /pypy/objspace/std/: back out changeset: d46f72070fa8, solution is more complicated tahn a one-line fix
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<kenaan_> mattip msvc14 87ef885dfbcf /pypy/doc/windows.rst: document how to install vc14
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<kenaan_> arigo py3.5 b256fef073df /lib-python/3/distutils/unixccompiler.py: Issue #2747 unixccompiler.py thinks the compiler is not GCC because it is ``cc`` with PyPy.
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<kenaan_> arigo default 7eaba44b228a /pypy/module/array/: Issue #2750 Speed up array.__setslice__() for arguments that are changing the size of the array, but in such a way...
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<bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3702 [mattip: force build, py3.5-msvc14]
<bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3702 [mattip: force build, py3.5-msvc14]
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<kenaan_> mattip py3.5-msvc14 73862e53862b /pypy/objspace/std/mapdict.py: temporary fix
<kenaan_> mattip msvc14 fa9dd53cf815 /pypy/doc/windows.rst: document an additional download necessary for msvc14
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<bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3703 [mattip: force build, py3.5-msvc14]
<bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3703 [mattip: force build, py3.5-msvc14]
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<energizer> For numerical optimization, in cpython i use scipy.optimize.minimize(). is there something similar available in pypy?
<kenaan_> mattip py3.5-msvc14 a7d51637ca64 /rpython/translator/platform/windows.py: debugging build slave
<bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3704 [mattip: force build, py3.5-msvc14]
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<bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3704 [mattip: force build, py3.5-msvc14]
<mattip> energizer: PyPy has no numerical optimizer of its own
<energizer> mattip: looking in the logs some folks said scipy is actually working in pypy, so im gonna try it out now
<mattip> PyPy runs python code fast, but you may find that CPython + scipy runs faster since scipy uses C and NumPy exetensively
<mattip> unless your the derivative of your function is pure python
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* mattip off
<mattip> close
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