2013/2/18 Alex Gaynor <[email protected]>
> So, iter(file).next() is slow?
Yes, but only with "rU" mode.
My benchmark with yesterday's build:
$ ~/pypy/pypy-c-jit-60005-0f1e91da6cb2-linux64/bin/pypy -m timeit "fp =
open('/tmp/large-text-file'); list(fp)"
10 loops, best of 3: 43.5 msec per loop
$ ~/pypy/pypy-c-jit-60005-0f1e91da6cb2-linux64/bin/pypy -m timeit "fp =
open('/tmp/large-text-file', 'rU'); list(fp)"
10 loops, best of 3: 638 msec per loop
15 times slower...
--
Amaury Forgeot d'Arc
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