Thanks, Tim! --------- Matt Taylor OS Community Flag-Bearer Numenta
On Fri, Oct 24, 2014 at 8:36 PM, Tim Boudreau <[email protected]> wrote: > A little over a year ago ago I started to implement some of the ideas from > NuPIC in Java. I'm sure what you're doing is truer to the Python > implementation, but some of the ideas what I did may be useful to you - I > was specifically going after high performance, colocating data in memory to > avoid cache misses, flyweight objects (allocating a short-lived object in a > JVM is cheap; long-lived objects is expensive), avoiding mutability to > eliminate various flavors of bug, a visitor based API similar to javac's, > and separating data storage from the objects that represent HTM concepts > such as cells or dendrite segments. > > It was a combination exercise to understand the problem space better, and to > look at ways you'd design such a thing for high performance. I got the > basics in place, and then got too busy with paid work to bring it to the > point it did something useful (there are unit tests of the basic pieces). > > It might only be useful for inspiration, but in case any of the code is > useful I just published it on GitHub with the same license you're using: > > https://github.com/timboudreau/jhtm > > -Tim >
