Dear Jerome,
On Jun 3, 2:28 pm, "[email protected]"
<[email protected]> wrote:
> Hi, in sage 4.0 there's new code to compare subgroups which fixes
> problems I had
> earlier;http://groups.google.com/group/sage-support/browse_thread/thread/5337...
Good. But bad that it became slower (actually I expected it to be
faster).
Using "prun" on your two functions, I found that in both cases the
most time is spent with (1) pexpect and (2) regular expressions.
The difference is: genSub2(4) requires nearly 1,290,000 interactions
with pexpect and compilations of regular expressions, while genSub1(4)
can do with only 151,000 pexpect interactions and 1,405,000 regular
expressions (hence, *more* regular expressions, but the total time for
the regular expressions is 10 times less).
I will try and see how this can be improved. Thank you for your
examples!
Best regards,
Simon
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