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Re^5: AI::NNEasy to setup fast a Neural Network using just Perl and XS.

by g0n (Priest)
on Jan 16, 2005 at 18:59 UTC ( #422633=note: print w/ replies, xml ) Need Help??


in reply to Re^4: AI::NNEasy to setup fast a Neural Network using just Perl and XS.
in thread AI::NNEasy to setup fast a Neural Network using just Perl and XS.

Thanks for that.

It'll take a bit of time to explore this. I'm not sure I want to use HPLoo, since I intended NNFlex to be usable as a fairly simple teaching framework. The XS & HPLoo code is quite a bit more complex than the pure perl!


Comment on Re^5: AI::NNEasy to setup fast a Neural Network using just Perl and XS.
Re^6: AI::NNEasy to setup fast a Neural Network using just Perl and XS.
by gmpassos (Priest) on Jan 17, 2005 at 02:31 UTC
    "...fairly simple teaching framework."

    Yes, is much more faster to code in pure Perl, specially if your main purpose is to make a flexible NN. But I saw that even for simple problems a NN needs speed, since if we build wrong the NN configurations for the target problem it will use a lot of CPU and time in the learning fase. Even a simple "tic tac toe" game, that I have used as a 1st real test for NNEasy, uses a lot of time to learn a big amount of inputs, so I started to add the XS support what make possible to learn fast the inputs and really play. In other words, NN always use a lot of CPU, so we can't run way from the C codes. About Class::HPLOO, for me is the fastest way to add the C support for the functions that really need that.

    Graciliano M. P.
    "Creativity is the expression of liberty".

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