Serhiy Storchaka added the comment:
This issue is outdated since moving unwinding of stack for "pseudo exceptions"
from interpreter to compiler in issue17611.
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resolution: -> out of date
stage: -> resolved
status: open -> closed
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Python
Mark Lawrence added the comment:
I've finally remembered to attach the test output I got a week ago. If you
want me to run Antoine's test suite with any specific parameters please feel
free to ask.
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Added file: http://bugs.python.org/file38501/unpatched.txt
Mark Lawrence added the comment:
Where do we find Antoine's suite of benchmarks?
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nosy: +serhiy.storchaka
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STINNER Victor added the comment:
Where do we find Antoine's suite of benchmarks?
https://hg.python.org/benchmarks
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Mark Lawrence added the comment:
I'm guessing that a patch to ceval.c that's this old wouldn't apply cleanly
now. I'll rework it but only if the changes are highly likely to be accepted.
Given the mixed results previously reported this is not guaranteed. Opinions
please.
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nosy:
Raymond Hettinger added the comment:
Before evaluating this further, the timings should be updated for the current
3.5 code and using the various compilers for the difference OSes. Also, it
would be nice to run Antoine's suite of benchmarks.
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nosy: +haypo, rhettinger
priority:
Changes by Skip Montanaro s...@pobox.com:
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nosy: -skip.montanaro
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Python-bugs-list
Changes by Jeffrey Yasskin jyass...@gmail.com:
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nosy: +collinwinter, jyasskin
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Collin Winter coll...@gmail.com added the comment:
Another data point: I've tested this patch applied to trunk on Core 2
Duo and Opteron 8214 HE machines using both gcc 4.0.3 and 4.3.1, and I'm
seeing mixed results. Pybench with warp 1 is between ~1.5% slower and
~1% faster, depending on gcc
Paolo 'Blaisorblade' Giarrusso p.giarru...@gmail.com added the comment:
Given a 10% speedup on some systems, and statistically insignificant
changes on other systems, I would still apply the patch, even simply
because the bitmask part simply makes more sense.
I'm not sure about the goto part,
Changes by Paolo 'Blaisorblade' Giarrusso p.giarru...@gmail.com:
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nosy: +blaisorblade
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Skip Montanaro s...@pobox.com added the comment:
Pystone results:
apply why patch
py3k% rm $TMPDIR/*.[coi] ; make python.exe rm -f /tmp/trash ;
./python.exe Lib/test/pystone.py
rm: /tmp/*.[coi]: No such file or directory
make: `python.exe' is up to date.
Pystone(1.1) time for 5 passes =
Skip Montanaro s...@pobox.com added the comment:
pybench comparison...
% ./python.exe Tools/pybench/pybench.py -s stock.out -c why.out
-
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PYBENCH 2.0
Daniel Diniz aja...@gmail.com added the comment:
Neat, gives a 10% speedup on a Celeron M with gcc 4.2.
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nosy: +ajaksu2
versions: +Python 3.0, Python 3.1
Added file: http://bugs.python.org/file12669/gcc_4.2.4_linux_ia32_bench.txt
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Python tracker
Antoine Pitrou pit...@free.fr added the comment:
I thought why_not_here was meaningful.
I don't know, when I see goto why_not_here it looks like a joke to
me :)
I don't think continue will work. The goto is coming out of an
inner loop. If you continue from there you just continue the
Skip Montanaro s...@pobox.com added the comment:
I thought why_not_here was meaningful.
Antoine I don't know, when I see goto why_not_here it looks like a
Antoine joke to me :)
Well, I think the enum name WHY_NOT is kind of a joke itself, but it's been
that way for so long I see no
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