thanks! i'll have a look into it. i've been hearing good things about ocaml for a long time and really should get down to learning it whether or not i use it for this particular problem.
On May 26, 7:23 pm, Peng Zang <[EMAIL PROTECTED]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Let pycaml be your friend. > > http://pycaml.sourceforge.net/ > > I never ended up using it in the end (I just decided to do everything in > ocaml) but it looked promising. Sounds like what you need. If you end up > using it, please tell us how it went. > > Peng > > On Saturday 26 May 2007 05:37, bullockbefriending bard wrote: > > > (Apologies in advance for being a complete Ocaml newbie!) > > > I've done all the requisite profiling and thought fairly deeply about > > the efficiency of my Python code, but am still going to have to speed > > up the innermost guts of what I am doing. > > Essentially, I need to pass a list of 6-tuples containing only > > integers to my new sadly necessary super-fast compiled language > > function which i am not looking forward to writing: > > > input: [(1,2,3,4,5,6), (7,8,9,10,11,12),...] > > > and after much thrashing of processor resources, return data which > > looks like this to the Python calling environment: > > > output: [( (1, 2), (1,), (12,), (13), (1, 7, 11), (9,) ), ( another > > nested tuple like preceding one ), .... ] > > > Each member of the returned list is a tuple containing six tuples, > > and > > each of those six tuples has at least one integer member. It would > > also > > be acceptable for the return values to be entirely nested lists > > instead of having the two innermost sequence types as tuples. > > > Ocaml is certainly going to be fast enough, and I'm sufficiently tired > > of C++ and especially STL compiler error messages to want to learn > > something new for when I have a need for speed. Essentially the > > algorithm I am going to speed up requires no high level data > > structures more complex than integer set and a vector which can > > contain objects encapsulating an array or tuple of the aforementioned > > integer sets plus one or two integer variables. All this should be > > within my capability to pick up fairly quickly despite my total > > ignorance of Ocaml, I hope :) > > > Anyway, I can probably very quickly figure out some hacked way to get > > the data from Python into my function given that in the worst case I > > could take > > advantage of the knowledge that each input tuple always has 6 > > elements, and simply pass in a big array of ints. Yes, I know this is > > a bit retarded, but I'm talking worst case assuming on very tight > > schedule and no time to delve deeply into SWIG or whatever. Similarly > > it wouldn't be too difficult to return the result as the mother all > > of > > all strings which i could then parse fairly easily. > > > However, I hope someone reading this will be able to tell me that I'm > > being a total pessimist and that in fact it isn't very difficult to > > do > > what I want to do using SWIG or some other interface method. I'm not > > asking for a complete solution, more like some general pointers from > > someone who has actually done something similar before. After that > > I'll RTFM and won't ask too many more annoying questions. Promise! :) > > > TIA > > > as the guts instead of C++, I'd be happy to know about it. > > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v2.0.2 (GNU/Linux) > > iD8DBQFGWCasfIRcEFL/JewRAl+WAKDHc2DFh/0iz3MYOSvHSWSDBTlYNwCfRdPQ > TQUbCIPBFHoPEpL/2myEt20= > =HUOz > -----END PGP SIGNATURE----- --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "ocaml-developer" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/ocaml-developer?hl=en For other OCaml forums, see http://caml.inria.fr/resources/forums.en.html -~----------~----~----~----~------~----~------~--~---
