One could implement something like Theano+NumPy with GNU Guile. I am trying to do something like that (github.com/wedesoft/aiscm) but I am doing it in my spare time only. Theoretically GNU Guile is better suited for this than Python because of macros.
On July 14, 2017 10:54:45 PM GMT+01:00, Linas Vepstas <linasveps...@gmail.com> wrote: >On Mon, Feb 13, 2017 at 2:28 PM, Panicz Maciej Godek ><godek.mac...@gmail.com >> wrote: > >> >> someone >> responded critically: "are there out of the box libraries to estimate >a >> zero inflated negative >> binomial regression model in guile". Of course, if I knew what a >> zero-inflated >> negative binomial regression model, I could deliver an implementation >by >> just explaining >> the notions used in that phrase. > > >Caution: the message below sounds negative. Sorry, I use guile daily >and >almost exclusively now. So there ... > >Lack of decent science libraries for scheme is a major stumbling block, >for >me. Simply having sine and cosine is not enough. I got excited (a >decade >ago) when I realized that guile supported GnuMP, and then rapidly >deflated >when I realized it only supported integers and rationals in GnuMP .. I >work >with arbitrary-precision floats. Or, I did back then. > >Maybe more important is making guile work well with large-RAM setups. >Currently, I do data analysis, every day, in guile, on datasets that >take >20GB or 40GB -- my current one is 110GB when loaded in RAM, and guile >starts getting buggy, crashy and slow when working at that size. >Sometimes, it starts calling GC half-a-dozen times per second, for no >apparent reason, eating up 6 cores (or more!) doing nothing but GC. >Why? >Who knows? Who can tell? > >Yes, I have a machine with 256 GB RAM and a few dozen cores, and SSD's >that >hold the data, but every time guile crashes, I have to wait an hour for >the >data to reload. I can live with it, but its a dirty secret I would not >share with guile wannabe users. > >String handling in guile is a disaster area: If I give it a >10-megabyte-long string in utf8, it promptly tries to convert all of >that >string in utf32, for utterly pointless reasons. This just makes it >slow. > >There are still bugs between GC and the compiler: if call (eval "(some >stuff) (other stuff)") the compiler will try to compile that string >(after >it was converted ti utf32!) and if GC happens to run at just that >moment, >guile crashes or hangs. These bugs need to be fixed. > >So although its a good start, there's a lot of work left until it can >get >to "the next level". And that work can't happen until guile is more >popular. So it's very much chicken-and-egg scenario. > >--linas -- Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
