[CentralOH] Fwd: Re: Stackless Python
bryan.harris at udri.udayton.edu
Wed Oct 28 22:03:30 CET 2009
>Maybe if you let the group know the problem you need to solve, someone can
>provide some better direction.
I have written a long script which takes a whole directory of stress-strain
test data, massages it, and spits out a new data file along with a bunch of
images of the results. I wrote a multi-threaded version a while back, but it
actually ran much slower than the single thread version and I noticed it never
used more than one processor at a time.
Maybe I did something wrong. It performed slower on a single or a
multiprocessor machine. I noticed the same behavior on my development
machine, Ubuntu linux and on a windows machine in the lab. In theory, it
ought to be able to do file i/o on one file while the other crunches on
calculations, thus saving time. It didn't work that way though.
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