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[Python-Dev] xreadlines : readlines :: xrange : range
Neil Schemenauernas@arctrix.com
Mon, 8 Jan 2001 08:22:10 -0800
On Mon, Jan 08, 2001 at 03:59:40PM -0500, Tim Peters wrote:> My line-at-a-time test case used (rounding to nearest whole integers) 30> seconds in Python and 6 in Perl. The result of testing many changes to> Python's implementation was that the excess 24 seconds broke down like so:>> 17 spent inside internal MS threadsafe getc() lock/unlock> routines> 5 uncertain, but evidence suggests much of it due to MS> malloc/realloc (Perl does its own memory mgmt)> 2 for not copying directly out of the platform FILE*> implementation struct in a highly optimized loop (like> Perl does)Have you tried pymalloc? Neil
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