On Tue, Jan 02, 2001 at 09:56:40AM -0500, Guido van Rossum wrote:
> Now what to do? I still don't like xreadlines very much, but I do see
> that it can save some time. But my test doesn't confirm Neel's times
> as posted by Tim:
>
> > Slowest: for line in fileinput.input('foo'): # Time 100
> > : while 1: line = file.readline() # Time 75
> > : for line in LinesOf(open('foo')): # Time 25
> > Fastest: for line in file.readlines(): # Time 10
> > while 1: lines = file.readlines(hint) # Time 10
> > for line in xreadlines(file): # Time 10
>
> I only see a factor of 3 between fastest and slowest, and
> readline is only about 60% slower than readlines_sizehint.
Could it be that your using the CVS version of Python which
includes Andrew's cool glibc getline enhancement?
Neil
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