#pypy on 2018-12-28 — irc logs at freenode.irclog.whitequark.org

2018-11-25 07:18 arigato changed the topic of #pypy to: PyPy, the flexible snake (IRC logs: https://quodlibet.duckdns.org/irc/pypy/latest.log.html#irc-end ) | use cffi for calling C | mac OS and Fedora are not Windows

00:25 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-s390x/builds/1153 [default]

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02:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/2605 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/2366 [py3.5]

02:00 <bbot2> Failure: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/2605 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5892 [py3.5]

02:00 <bbot2> Failure: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/2366 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/7167 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/4309 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-32/builds/6204 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/4972 [py3.5]

03:15 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/4972 [py3.5]

03:33 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4133 [py3.5]

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04:25 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/7167 [py3.5]

04:50 <bbot2> Retry: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4133 [py3.5]

04:53 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4134 [py3.5]

05:22 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5892 [py3.5]

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06:10 <bbot2> Retry: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4134 [py3.5]

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09:22 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-win-x86-32/builds/4309 [py3.5]

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15:57 <sthalik> hey

15:57 <simpson> Morning.

15:57 <sthalik> what should I use as a linked list (cons cell) while incurring least overhead? a class, a 2-element array, an object()?

15:58 <simpson> You're gonna have to profile to know for sure. I bet that a two-element tuple (a "pair") would be cheapest; e.g. py`(1, 2)`.

15:58 <sthalik> thanks!

15:58 <sthalik> does pypy use tag bits?

15:59 <simpson> No, IIUC.

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18:21 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4135 [py3.5]

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20:04 <cfbolz> sthalik: yes, a tuple takes the least memory

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21:36 <arigato> a pypy tuple? a bit unclear, because it's a small object plus an array of values

21:38 <arigato> unsure if there is something sane, but there are definitely insane things to use that should consume less memory: for example, slice(a,b,c) works like a 3-tuple

21:40 <arigato> ...ok sorry, I forgot specialized-tuples which are enabled by default

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22:51 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/4135 [py3.5]

23:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-s390x/builds/1154 [default]

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