On 15/11/2012 06:32, Stefan Behnel wrote:
Donald Stufft, 15.11.2012 00:00:
$ pypy -m timeit 'dict()'
1000000000 loops, best of 3: 0.000811 usec per loop
$ pypy -m timeit '{}'
1000000000 loops, best of 3: 0.000809 usec per loop
$ pypy -m timeit 'def md(**kw): return kw; md()'
100000000 loops, best of 3: 0.0182 usec per loop
$ pypy -m timeit -s 'def md(**kw): return kw' 'md()'
1000000000 loops, best of 3: 0.00136 usec per loop
Yep, I really like the fact that optimisers can fold stupid benchmarks into
no-ops. I wonder why it fails so badly in the latter two cases, though. You
should bring that to the attention of the PyPy developers, they might want
to fix it.
Agreed, but Donald, please try with a bunch of keys rather than an empty
dict...
Chris
--
Simplistix - Content Management, Batch Processing & Python Consulting
- http://www.simplistix.co.uk
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