amk> test_longexp creates a big list expression and eval()'s it. The
amk> problem is that it takes an exceedingly long time to run, at least
amk> more than half an hour (at which point she interrupted it).
...
amk> changing REPS from 1000 to 50000. 1000 and 10000 ran fairly
amk> quickly - under a minute. However, 25000 took about 5 minutes and
amk> 50000 took 23 minutes.
...
amk> Any clues?
Try configuring using --with-pymalloc to see if Vladimir's Python-specific
object allocator helps. Even with a gigabyte of RAM, perhaps the malloc
free list is getting badly fragmented, causing it to churn forever trying to
coalesce memory blocks.
--
Skip Montanaro (skip@pobox.com - http://www.mojam.com/)
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