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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<kenaan>
arigo default 95232deededb /lib-python/2.7/types.py: Issue #2865 Make types.MemberDescriptorType be the type of app-level slots
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<kenaan>
arigo py3.5 f938ea58f52c /: hg merge default (and port the changes from 2.7/types.py to 3/types.py)
<arigato>
running 100 times 'max(lst)' on a list of 5000000 integers
<arigato>
you'd expect to see in the jit logs a loop that ran almost 500'000'000 times
<arigato>
but it runs only 415'498'327 times
<Alex_Gaynor>
because of odd bridges?
<Alex_Gaynor>
e.g. you take a bridge on signal check, and then you run the next iteration in some other JIT code?
<arigato>
that's quite a big gap, probably enough to explain it's 10 times slower than if it is written in pure Python (where the number is 4999-etc)
<arigato>
I have no clue why so far
<arigato>
no, there is no bridge taken more than 8110 times
<Alex_Gaynor>
huh, odd
<arigato>
ok, found out the reason (which includes me messing up something)
<arigato>
running 100 times 'max(lst)' produces 0 jit loops
<arigato>
I think the 415'498'327 times above was actually when running 10000 times 'max(shorter_lst)'
<arigato>
which would run the jit on the last 9000 times but not on the first 1000 times
<arigato>
the reason is that there is "if jit.we_are_jitted()" in max(), which if false goes to a version that doesn't try at all to enter the jit
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<kenaan>
mattip unicode-utf8-py3 07a4929a661d /pypy/: add a lgt arg to newtext, change error _compute_value accordingly
<kenaan>
mattip unicode-utf8-py3 f6f71b76311e /pypy/interpreter/astcompiler/fstring.py: replace utf8 with W_Unicode , saves a conversion or two
<kenaan>
mattip unicode-utf8-py3 3125af5a0967 /pypy/interpreter/argument.py: start to replace s.encode('utf8') with calls to unicode_encode_utf_8
<kenaan>
mattip unicode-utf8-py3 d7d67afa0ca8 /pypy/module/_codecs/test/test_locale.py: fix test
<kenaan>
arigo default dc18c3e11193 /pypy/module/__builtin__/functional.py: Issue #2839 max(list-of-int) was much slower when run from non-jitted code. Fixed.
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<mattip>
we seem to have lost bbot2, the last message was "(Killed (Sigyn (Spam is off topic on freenode.)))]"
<mattip>
just after the nightly builds started, so it is a spam false-positive
<mattip>
in other news unicode-utf8-py3 translates, but crashes on start-up. So progress of some kind.
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