Feature #16827
closed
C API for writing custom random number generator that can be used as Random objects
Description
I want to write custom random number generators (RNGs) that can be used as an alternative to a Random object.
Now custom RNGs with #rand method can be used for that purpose, but there is the method call overhead in the current implementation because #rand method is called through rb_funcallv_public.
I want C API for writing RNGs because all of the random number generator algorithms I want to write are originally written in C.
Nobu already created a pull-request for such purpose.
Updated by matz (Yukihiro Matsumoto) over 4 years ago
Sounds OK. Go ahead.
Matz.
Updated by Eregon (Benoit Daloze) over 4 years ago
IMHO it's not nice to replace a nice Ruby-level API by a C API one.
Is there a benchmark of how much is it slower with rb_funcallv_public?
Also, will it still work when passing a custom object understanding rand?
If so, there are two ways to dispatch, doesn't seem nice either API-wise.
Updated by mrkn (Kenta Murata) almost 4 years ago
- Status changed from Open to Closed
Closed by af5e87ab218c5f4e34c6cdb54ae119a7f0f9033f
Updated by mame (Yusuke Endoh) almost 3 years ago
- Related to Feature #18463: Random number generation with xoshiro added