The idea is to maintain two versions of each Novamente-internal procedure:
 
-- a version that's amenable to learning (and generally highly compact), but not necessarily rapid to execute
-- a version that's rapid to execute (produced by supercompiling the former version)
 
As learning produces new procedures, they may be supercompiled. 
 
At present supercompiling a Novamente procedure is slow and takes up to a few seconds or even a few minutes for a large, complex procedure.   However, the supercompiler itself is still in a preliminary version and could probably be optimized by an order of magnitude.  In the long run there is also the concept of "supercompiling the supercompiler" ;-)
 
This is research that we're just now starting to play around with -- we got the first results supercompiling very simple Novamente procedures just last week.  If all goes well, more serious work in this direction will commence in the fall.
 
Of course, this aspect is "just computer science" -- albeit very difficult and advanced computer science.  It's the learning of the procedures that's the really subtle part... which is the topic that has taken far more of my attention . Fortunately the Java-Supercompilers team (Andrei and Arkady Klimov) seem to have the supercompilation aspect well in hand...
 
But though it's "just CS", it wil be very useful for Novamente-learned procedures to be faster than, rather than a couple orders of magnitude slower than, Novamente-embedded procedures coded directly in C++ ..... This is not the hardest part of having Novamente learn to self-improve, but it's a necessary component.
 
-- Ben G
 
 
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]On Behalf Of [EMAIL PROTECTED]
Sent: Sunday, July 04, 2004 11:11 PM
To: [EMAIL PROTECTED]
Subject: Re: [agi] Teaching AI's to self-modify

Ben,
 
Aren't optimizations by supercompilation going to make the future changes of that code more (maybe a lot more) difficult? 
 
Sincerely,
Jiri
 
In a message dated 7/4/2004 9:58:41 AM Eastern Standard Time, [EMAIL PROTECTED] writes:
http://www.supercompilers.com/


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