[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Mon, 11 Jun 2012 17:35:26 +0200
Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.0.93 (gnu/linux)
Andy Wingo <address@hidden> skribis:
> On Mon 11 Jun 2012 13:55, address@hidden (Ludovic Courtès) writes:
>> What about using copying (or rather, copy-on-write) sub-bytevectors to
>> start with? That would avoid the aliasing issue; OTOH COW would make
>> the implementation more complex.
> Not a bad idea. The FFI can still introduce aliasing, though I don't
> know if that matters. Alignment is still a problem though. Plus it's a
> bit more complexity, though an optimizer should be able to do something
> about that.
Currently alignment is more of a theoretical problem because we are not
yet at a point where such an optimization matters (and I think it
wouldn’t matter on x86 anyway), no? :-)
Though in principle, I agree we should avoid preventing future