Owl – An OCaml Numerical Library • Hacker News Board

ziotom78 wrote: post #3

Very nice project! Apart from the impressive set of features, what impresses me the most is the README, which is extremely clear and enjoyable.

Agreed...was surprised to see a lot of plots which is nice.

Re: Owl – An OCaml Numerical Library

#6

Post by tbenst » Wed, Jul 12, 2017, 11:13 AM UTC

I looked at OCaml a few years back for scientific computing, but was turned off by the global lock GC for multithreading (similar to python). Anyone know if this has been changed yet?

Edit: doesn't look like this has changed, but there's an effort at https://github.com/ocamllabs/ocaml-multicore that is slowly making progress

Re: Owl – An OCaml Numerical Library

#7

Post by KineticLensman » Wed, Jul 12, 2017, 11:26 AM UTC

zerr wrote: post #4

Not to be confused with OWL framework from Borland.

Or the Web Ontology Language (OWL) [1] whose inconsistent acronym is not in fact a tribute to the spelling-challenged Owl character in Winnie-the-Pooh [2]

[1] https://en.wikipedia.org/wiki/Web_Ontology_Language

[2] https://en.wikipedia.org/wiki/List_of_Winnie-the-Pooh_charac...

Re: Owl – An OCaml Numerical Library

#8

Post by snowcrshd » Wed, Jul 12, 2017, 11:29 AM UTC

tbenst wrote: post #6

I looked at OCaml a few years back for scientific computing, but was turned off by the global lock GC for multithreading (similar to python). Anyone know if this has been changed yet? Edit: doesn't look like this has changed, but there's an effort at https://github.com/ocamllabs/ocaml-multicore that is slowly making progress

IIRC, there was a PR preparing upstream ocaml for multicore. I think multicore capabilities will be here soon.

Would things like LWT or async help you in any way?

Re: Owl – An OCaml Numerical Library

#9

Post by pluma » Wed, Jul 12, 2017, 11:44 AM UTC

KineticLensman wrote: post #7

zerr wrote: post #4

Not to be confused with OWL framework from Borland.

Or the Web Ontology Language (OWL) [1] whose inconsistent acronym is not in fact a tribute to the spelling-challenged Owl character in Winnie-the-Pooh [2] [1] https://en.wikipedia.org/wiki/Web_Ontology_Language [2] https://en.wikipedia.org/wiki/List_of_Winnie-the-Pooh_charac...

Or the OWL region in Germany: https://en.wikipedia.org/wiki/Ostwestfalen-Lippe

TLAs tend to be horribly overloaded and confusing without a very obvious context.

Re: Owl – An OCaml Numerical Library

#10

Post by vog » Wed, Jul 12, 2017, 11:50 AM UTC

Wow, this even supports Algorithmic Differentiation!

https://github.com/ryanrhymes/owl/wiki/Tutorial:-Algorithmic...

(although "only" forward and reverse mode)