[LLVMdev] python & llvm
simon at arrowtheory.com
Thu Oct 27 17:59:56 PDT 2005
I'd like to use llvm from python to generate dynamically:
1) llvm functions from python expressions, eg. an "apply" operation on a c-array of floats
2) callback functions
3) calls to an external dynamic loaded c-library
I've looked at the llvm python wrappers
but the size of the .so module is just too massive (120Mb).
However, I don't think it is actually necessary for what I want to do,
as I can just generate llvm code and send that to the llvm compiler (at runtime).
This is what the pypy guys do. They mentioned maybe using the llvm-API, what for ?
All that jazz is for people writing optimizing compilers, no ? Wouldn't it make
more sense to do all that biz on the python level ?
I did a preliminary test of calling a trivial c-function (in a dynamic lib) from llvm, by
hardcoding the function address, and it seemed to work ok.
So my main question is: am I on the right path; is this a reasonably cross-platform strategy ?
Also i wanted to post to the pypy developers: there seems to be some
mutual gravity here. Where I work we do heavy duty
numeric processing with python (machine learning) . Maybe I will get a
chance to work on/with/steal from, pypy. (The guys here are absolutely obsessed with
I just found out that the python AST branch
has been merged, so i'll be investigating this aswell.
bye for now,
Simon Burton, B.Sc.
Licensed PO Box 8066
ANU Canberra 2601
Ph. 61 02 6249 6940
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