On Thu, Jan 04, 2001 at 10:43:15AM -0500, Andrew Kuchling wrote: > On Thu, Jan 04, 2001 at 03:59:05PM +0100, Thomas Wouters wrote: > >getc_unlocked(). getc() is faster than flockfile(f) + getc_unlocked(f) (+ > >the rearranging of the function, use of PyTHREAD_ALLOW inside the outer loop, > >etc.) Significantly so when there is only one thread running (which is still > So it looks like the ALLOW_THREADS should be moved out of the for > loop. This produced no measureable performance difference on Solaris; > I'll leave it to GvR to try it on Linux. I wonder if FreeBSD has some > unusually slow thread operation? Note that I was just guessing there. I did a quick scan of the function, and noticed that the ALLOW_THREADS statements had moved into the outer loop. I didn't even contemplate whether that made a difference, so don't trust that judgement. -- Thomas Wouters <thomas@xs4all.net> Hi! I'm a .signature virus! copy me into your .signature file to help me spread!
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