[pypy-issue] [issue932] Python 1.7 slower on home made path tracing than 1.6

[Guillaume Bouchard]

Guillaume Bouchard <guillaume.bouchard at liris.cnrs.fr> added the comment:

1.9 is better now than what was 1.6 by a small amount.

% 14:17 guillaume at guillaume-desktop /tmp time ~/src/pypy/pypy-1.6/bin/pypy
smallpt.py 640 480 4
Rendering (4 spp) 99.84%~/src/pypy/pypy-1.6/bin/pypy smallpt.py 640 480 4 
42.09s user 0.14s system 95% cpu 44.015 total
% 14:18 guillaume at guillaume-desktop /tmp time ~/src/pypy/pypy-1.7/bin/pypy
smallpt.py 640 480 4
Rendering (4 spp) 99.84%~/src/pypy/pypy-1.7/bin/pypy smallpt.py 640 480 4 
58.52s user 0.11s system 97% cpu 1:00.28 total
% 14:19 guillaume at guillaume-desktop /tmp time ~/src/pypy/pypy-1.8/bin/pypy
smallpt.py 640 480 4
Rendering (4 spp) 99.84%~/src/pypy/pypy-1.8/bin/pypy smallpt.py 640 480 4 
49.30s user 0.14s system 96% cpu 51.201 total
% 14:20 guillaume at guillaume-desktop /tmp time ~/src/pypy/pypy-1.9/bin/pypy
smallpt.py 640 480 4
Rendering (4 spp) 99.84%~/src/pypy/pypy-1.9/bin/pypy smallpt.py 640 480 4 
43.72s user 0.08s system 99% cpu 43.854 total

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title: Python 1.7 slower on home maid path tracing than 1.6 -> Python 1.7 slower on home made path tracing than 1.6

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PyPy bug tracker <tracker at bugs.pypy.org>
<https://bugs.pypy.org/issue932>
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