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Subject: Re: conv2 in R2008b very slow
Date: Fri, 26 Dec 2008 00:25:03 +0000 (UTC)
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"Andreas Sprenger" <sprenger_a@yahoo.de> wrote in message <girhb6$n50$1@fred.mathworks.com>...
> 
> > I just had my coworker (running R2008a) run the test on the same data sizes. He gets nowhere near your .01 sec. compute time.
> 
> So, what's the reason for this prolonged computation time. If you turn the task manager on, you will see that matlab is computing a lot, but what?


Why do you consider the computation time unduly high? The arrays you are convolving are large. It's a difficult computation requiring a lot of flops. That's the reason why MATLAB is working so hard.