cfbolz changed the topic of #pypy to: PyPy, the flexible snake (IRC logs: https://botbot.me/freenode/pypy/ ) | use cffi for calling C | the secret reason for us trying to get PyPy users: to test the JIT well enough that we're somewhat confident about it
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<arigato> seems I know the next thing to improve in CFFI
<arigato> in CPython (particularly 3.x), removing "Py_BEGIN_ALLOW_THREADS" in the generated C code makes the program run 10x faster, in case there are multiple threads calling the C function all the time
<arigato> just to be clear, here I'm complaining about the implementation of Py_BEGIN_ALLOW_THREADS
<arigato> at least for this specific use case
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<kenaan> arigo cffi/cffi abb60e05d3bf /: Issue #379 Accept ``ffi.new("int[4]", p)`` if p is itself another cdata ``int[4]``.
<kenaan> arigo cffi/cffi caee0949f993 /doc/source/whatsnew.rst: document abb60e05d3bf
<kenaan> arigo cffi/cffi 1443130c25e1 /c/_cffi_backend.c: Use memcpy here
<kenaan> arigo default beeebc0b35f3 /pypy/module/_cffi_backend/: Test and fix: can get a segfault instead of an IndexError "too many initializers"
<kenaan> arigo default 60409e95c501 /pypy/module/_cffi_backend/test/test_fastpath.py: more tests, trying to cover all paths
<kenaan> arigo default feb6754915bc /: update to cffi/1443130c25e1
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<kenaan> arigo cffi/cffi 960ab54c2eb4 /c/_cffi_backend.c: oops, don't do that if 'ct' is a CT_POINTER
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<kenaan> arigo default 6df19fd2b6df /pypy/module/_cffi_backend/: update to cffi/960ab54c2eb4
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<cfbolz> mattip: hey, how did your talk go?
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<mattip> cfbolz: The tutorial went ok, people on Mac OS and Windows had problems building the shared object that we wrapped in cffi. ctypes, cython, and cppyy
<mattip> so now I have two issues on the github repo :)
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<cfbolz> right, the usual problem if you have little time
<cfbolz> mattip: but you also had a numpy talk this morning, right?
<mattip> the numpy 15 minute overview went well
<cfbolz> cool
<mattip> it started some nice interactions with people
<cfbolz> excellent
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<kenaan> mattip unicode-utf8-py3 4d6b95166120 /pypy/module/: unicode -> str, str_w -> text_w
<kenaan> mattip unicode-utf8-py3 509a8b3b1a70 /pypy/: return bo (byteorder) from helpers
<kenaan> mattip unicode-utf8-py3 6105ef49d9ca /pypy/module/_codecs/interp_codecs.py: change exception type
<bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/6944 [mattip: force build, unicode-utf8-py3]
<bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5655 [mattip: force build, unicode-utf8-py3]
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<bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5655 [mattip: force build, unicode-utf8-py3]
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<bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/6944 [mattip: force build, unicode-utf8-py3]
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<mattip> arigato: (for the logs) if your offer to help with unicode-utf8-py3 still is open, I don't understand this translation failure
<mattip> how can a SomeInstance(can_be_None=False, classdef=pypy.objspace.std.unicodeobject.W_UnicodeObject)
<mattip> not have self._utf8 ?
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