From: malc <av1474@comtv.ru>
To: Markus Mottl <markus.mottl@gmail.com>
Cc: Yitzhak Mandelbaum <yitzhakm@cs.princeton.edu>,
Caml-list List <caml-list@inria.fr>
Subject: Re: [Caml-list] float array/record unboxing
Date: Tue, 12 May 2009 00:30:17 +0400 (MSD) [thread overview]
Message-ID: <Pine.LNX.4.64.0905120028250.2840@linmac.oyster.ru> (raw)
In-Reply-To: <f8560b80905111149g7acfff67q32a79519b7a96b2c@mail.gmail.com>
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On Mon, 11 May 2009, Markus Mottl wrote:
> On Mon, May 11, 2009 at 13:49, Yitzhak Mandelbaum
> <yitzhakm@cs.princeton.edu> wrote:
> > Does anyone know whether float arrays/records are unboxed if float is used
> > to instantiate a type parameter? E.g.
> [snip]
>
> Since functor applications are currently not inlined, the generated
> code for the functor body has no way of seeing that its dealing with
> an all-floats record. Hence the record will contain boxed floats.
>
> > Is M.foo an unboxed array of floats (as per Chapter 18.3.2 in the manual) or
> > not? Empirical evidence suggests that the floats *are* boxed. If this is the
> > case, can anyone point me to where this feature is documented?
>
> I don't think this is documented anywhere, since this is an
> implementation detail that (though unlikely) might even change in the
> future.
This reminded me of a question i asked, what seemed like a jiffy ago:
http://groups.google.com/group/fa.caml/browse_thread/thread/e5e0d989e53de0a1/c64a14722acb0153?hl=en
Given what have been said in that thread the detail becomes worthy of
a mention somewhere.
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prev parent reply other threads:[~2009-05-11 20:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-11 17:49 Yitzhak Mandelbaum
2009-05-11 18:49 ` [Caml-list] " Markus Mottl
2009-05-11 20:30 ` malc [this message]
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