This is definately wierd! As you only mentioned Win9x, I thought I would give it a go on Win2k. This is from a CVS update of only a few days ago, but it is a non-debug build. PII266 with 196MB ram: 1 push 0.001 2 push 0.000 4 push 0.000 8 push 0.000 16 push 0.000 32 push 0.000 64 push 0.000 128 push 0.001 256 push 0.001 512 push 0.003 1024 push 0.006 2048 push 0.011 4096 push 0.040 8192 push 0.043 16384 push 0.103 32768 push 0.203 65536 push 0.583 Things are looking OK to here - the behaviour Tim expected. But then things seem to start going a little wrong: 131072 push 1.456 262144 push 4.763 524288 push 16.119 1048576 push 60.765 All of a sudden we seem to hit N*N behaviour? I gave up waiting for the next one. Performance monitor was showing CPU at 100%, but the Python process was only sitting on around 15MB of RAM (and growing _very_ slowly - at the rate you would expect). Machine had tons of ram showing as available, and the disk was not thrashing - ie, Windows definately had lots of mem available, and I have no reason to believe that a malloc() would fail here - but certainly no one would ever want to wait and see :-) This was all definately built with MSVC6, SP3. no-room-should-ever-have-more-than-one-windows-ly y'rs Mark.
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