#pypy on 2017-05-02 — irc logs at freenode.irclog.whitequark.org

14:34 <kenaan> tobweber stmgc[c8-adaptive-trx-length] 784040daca87 /c8/: Merge all single thread mode enum values for consistency with analysis script

14:34 <kenaan> tobweber stmgc[c8-adaptive-trx-length] 3ffb90144a7f /c8/stm/: Implement exponential build up and back off in transaction length

14:34 <kenaan> tobweber stmgc[c8-overheads-instrumentation] 4a93488e1444 /c8/stm/: Merge fix for name clash in macro expansion

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15:40 <kenaan> rlamy default 86c13077b36b /rpython/rlib/: Add support for rejecting lone surrogates in utf16 and utf32 decoders. (grafted from 7ce52a9f8d1f49eb4986b9bba8c856...

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15:51 <kenaan> rlamy default fc8f35c963af /rpython/tool/runsubprocess.py: Attempt to fix build_cffi_imports on Windows: args should be passed as unicode strings. (grafted from 541dbb06046f5...

15:51 <kenaan> rlamy default 5218685456b2 /rpython/tool/runsubprocess.py: Popen.communicate() returns bytes if no encoding was specified. (grafted from 1fb74e1664446090361a9fe4ec11a67740e13...

15:56 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-app-level-linux-armhf-raspbian/builds/1353

15:58 <kenaan> rlamy default 5d9621822874 /rpython/rlib/rposix_scandir.py: Attempt to import interp_scandir on Windows (grafted from ba2d0d7ea48e2dfafed9c17d9a125a46664247bb)

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16:10 <kenaan> rlamy default 5f9e5afded55 /rpython/rlib/rsre/rsre_char.py: blindly change this from -1 to an arbitrary large number on 32 bit systems (grafted from eecdab8e95b5c78071de41b3a5...

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16:15 <kenaan> rlamy default 0c21123991d2 /rpython/rlib/rvmprof/src/rvmprof.h: Backport changes from py3.5 branch

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16:46 <mattip> gahh, even on the cpyext-obj-stealing branch memory is getting lost

16:46 <mattip> https://paste.pound-python.org/show/C6rP1i1DkVeepo5RupsB/

16:47 <mattip> assigning to a ndarray((2, 200000), dtype=int) loses ~21MB,

16:47 <mattip> changing it to an object array loses about 60MB

16:48 <kenaan> rlamy default 02051354da6b /rpython/rlib/: Backport rposix changes from py3.5 branch

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17:10 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-armhf-raspbian/builds/1296

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17:21 <tumbleweed> mattip: ah, thanks

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17:22 <mattip> tumbleweed: at least that is a sign the ppa is being used ...

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17:43 <tumbleweed> :P

18:02 <kenaan> stefanor default 54dc01ff643b /include/README: Update includes README to mention new generated files, and the cpyext parse directory. Brought to attention by ...

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18:46 <kenaan> rlamy PyBuffer-backport 4ec9314365c8 /rpython/rlib/: Backport rpython.rlib.buffer changes from py3.5

18:47 <kenaan> rlamy PyBuffer-backport fea54844618f /: Backport memoryview changes

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18:50 <ronan> TIL: memoryview('abc').tolist() != list(memoryview('abc')) in py2

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18:51 <ronan> also, memoryview('abc') == 'abc' == u'abc', but memoryview('abc') != u'abc'

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19:01 <arigato> of course, all of which make sense *cough*

19:02 <arigato> maybe PyPy 3 would benefit from a list strategy "I'm just this bytes, shown as a list of numbers"?

19:03 <arigato> unsure if that representation is actually used in practice, or just avoided most of the time

19:10 <ronan> I haven't seen much love for the bytes-as-list-of-numbers model

19:10 kipras`away is now known as kipras

19:14 <ronan> arigato: BTW, is there any reason not to backport py3.5-bytearray to default?

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19:47 <arigato> ronan: not really, but it's mostly of the kind: it slows bytearray a very little bit, for a benefit that is unlikely to be visible in any application that doesn't explicitly assumes the optimization is there

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20:07 <ronan> arigato: backporting it would make the diff between default and py3.5 much smaller in bytearrayobject.py

20:07 <kenaan> amauryfa py3.5 b2b8897fa2d1 /lib_pypy/msvcrt.py: Expose msvcrt.SetErrorMode

20:08 <ronan> and since it's there in py3, people are likely to assume it works on py2 as well

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20:08 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3081 [amaury: force build, py3.5]

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20:26 <arigato> ronan: ok, +1

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21:45 <kenaan> amauryfa py3.5 c170bb968e18 /lib_pypy/msvcrt.py: oops, SetErrorMode is in kernel32.dll

21:46 <bbot2> Exception: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3081 [amaury: force build, py3.5]

21:46 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/3082 [amaury: force build, py3.5]

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22:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-s390x/builds/560 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/jitbackendonly-own-linux-armhf/builds/1455

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/1790

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raring/builds/1541

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-linux-armhf-raspbian/builds/1421

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-linux-armel/builds/1680

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/1544

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/3000 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/4581 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/5905 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-32/builds/5158 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-win-x86-32/builds/1387 [default]

22:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/3919 [default]

22:08 <mjacob> arigato: since a bytearray works very similar to a list of numbers < 256 i don't see much benefit from optimizing the latter

22:10 <mjacob> arigato: btw, actually lib_pypy/_md5.py uses a list of numbers approach, but it could be changed to use bytearray

22:12 <mjacob> (on py3.5, since 2to3ing this file was easier with this approach)

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23:21 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/4581 [default]

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23:29 <bbot2> Success: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/5905 [default]

23:36 <Cheery> I'm looking at this kind of system: http://codepad.org/sXQIQJvU

23:36 <Cheery> and I wonder how well I could JIT that.

23:40 <Cheery> a potential problem is that I have to label the flow.

23:40 <Cheery> and there's a possibility that the user calls trace indefinitely.

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23:41 <Cheery> I may have to turn that problem into a feature.

23:43 <Cheery> or then I want to use a heuristic.

23:43 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/3919 [default]

23:47 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-x86-32/builds/5158 [default]

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23:52 <bbot2> Success: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raring/builds/1541