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There are great modules for these things. The stuff that needs to be fast is written in C while a Perl framework holds it together.
Perl isn't great at numerical analysis. For example, if you have a 1024x1024 matrix (possibly for a fourier analysis) it will eat up far more memory in perl than it will in C/C++ PDL is great for 1024x1024 matrices. Low level image processing in perl isn't that great either. There are a lot of modules in CPAN that interface to external utilities (like Image::Magick). Imager is not an interface for external stuff. I can't really imagine anyone wanting to write a device driver in perl :) I'd like to be able to. Lots of devices don't need speedy drivers, and it'd be a great way to prototype! There might be really good ways to do all of these things with modules. There are indeed!
In reply to Re: Re: Is there ever a time Perl is the wrong choice?
by Juerd
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