From: Xavier Leroy <xavier.leroy@inria.fr>
To: FD <Florian.Douetteau@ens.fr>
Cc: ocaml <caml-list@inria.fr>
Subject: Re: [Caml-list] error opening large file
Date: Wed, 23 Jan 2002 16:49:32 +0100 [thread overview]
Message-ID: <20020123164932.A16952@pauillac.inria.fr> (raw)
In-Reply-To: <Pine.GSO.4.33.0201160943160.25891-100000@clipper.ens.fr>; from douet@clipper.ens.fr on Wed, Jan 16, 2002 at 09:53:43AM +0100
> Would it degrade arithmetic performance a lot if 'int' conformed to 64-bit
> arithmetic on all platforms ?
> (on a 32-bit cpu, small integers would be unboxed, big integers would be
> boxed)
I think that the cost of a mixed arithmetic like you outline would be
quite high, say, a factor of 5 or 10 on integer-intensive code.
If you're ready to pay that cost, it might be worth using
arbitrary-precision arithmetic for the "big" integers.
- Xavier Leroy
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next prev parent reply other threads:[~2002-01-23 15:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-11 21:02 Garry Hodgson
2002-01-11 21:51 ` Olivier Andrieu
2002-01-15 9:56 ` Xavier Leroy
2002-01-16 8:53 ` Florian Douetteau
2002-01-23 15:49 ` Xavier Leroy [this message]
2002-01-11 23:32 Florian Douetteau
2002-01-12 0:02 ` David Monniaux
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