[wg-camlp4] benchmarks

[Anil Madhavapeddy]

On 11 Feb 2013, at 10:45, Gabriel Scherer <gabriel.scherer at gmail.com> wrote:

> On Mon, Feb 11, 2013 at 11:31 AM, Anil Madhavapeddy <anil at recoil.org> wrote:
>> It should work just fine with ppx, and has the advantage of reducing the number of ocamlfind calls per-file (which is a considerable overhead on large projects, since it has to scan the META directories on every invocation).
> 
> That's of course rather orthogonal to the present discussion, but have
> you been in contact with Gerd to see if some caching solution would be
> possible? Intuitively it feels like ocamlfind could easily maintain a
> cache in /var/run/blah and only clean it on install/remove commands.
> 
> (An external process invocation would still make some overhead so in
> you're case you'd still have to go all the way, but that could improve
> the threshold at which such ~hacks become interesting.)

I don't think it's necessary to put this in ocamlfind, which does the job
it's designed to do very well. Just fix your build systems to run ocamlfind
at configure time, save the results, and apply them to the compiler flags
during the build phase.

-anil