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From: John Carr <jfc@MIT.EDU>
To: Sven LUTHER <luther@dpt-info.u-strasbg.fr>
Cc: Ocaml <caml-list@inria.fr>
Subject: Re: [Caml-list] Runtime overflow and what to do
Date: Sun, 13 Oct 2002 09:25:21 -0400	[thread overview]
Message-ID: <200210131325.JAA07471@nerd-xing.mit.edu> (raw)
In-Reply-To: Your message of "Sun, 13 Oct 2002 11:52:16 +0200." <20021013095216.GA1949@iliana>


>Would it be much work to build a 64-bit integers target ?

Try http://www.mit.edu/~jfc/ocaml-sparc64.tar.gz
This tar file contains diffs and new code generation
files for 64 bit SPARC.  You will need to apply the
.diff files with patch and move the other files into
the appropriate directories (replacing the existing
files without the "64" suffix), and probably do some
editing of config/Makefile.  I have not tested this
on Linux.  Contact me if you need help.

If there is a lot of interest I can try to package this
in a more immediately useful form.  I stopped work on
the 64 bit code generator before finishing the packaging.

A note of caution: 64 bits is not necessarily better than 32.
Unlike C, OCaml does not allow you to declare a 32 bit object
in 64 bit mode, so memory use will approximately double.
Performance executing out of cache will improve slightly,
or significantly when using floating point, but the increased
cache miss rate may make the program slower overall.

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  parent reply	other threads:[~2002-10-13 13:25 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-10 15:01 Scott J,
2002-10-10 15:07 ` Maxence Guesdon
2002-10-10 15:11 ` Maxence Guesdon
2002-10-10 15:21 ` Luc Maranget
2002-10-10 18:13   ` Sven LUTHER
2002-10-10 18:57     ` Xavier Leroy
2002-10-10 22:17       ` Scott J,
2002-10-11  8:00         ` Sven LUTHER
2002-10-11 10:16         ` Alessandro Baretta
2002-10-12 16:13           ` John Carr
2002-10-12 16:58             ` Sven LUTHER
2002-10-12 17:12               ` John Prevost
2002-10-13  9:31               ` Xavier Leroy
2002-10-13  9:52                 ` Sven LUTHER
2002-10-13  9:57                   ` Xavier Leroy
2002-10-13 10:15                     ` Sven LUTHER
2002-10-13 13:25                   ` John Carr [this message]
2002-10-13  9:28             ` Xavier Leroy
2002-10-14  0:56               ` Chris Hecker
2002-10-14  9:46                 ` Jacques Garrigue
2002-10-14 11:02                   ` Scott J,
2002-10-14 14:05                   ` Tim Freeman
2002-10-14 15:32                     ` Stefano Zacchiroli
2002-10-14 16:12                       ` Alain Frisch
2002-10-14 16:49                   ` [Caml-list] new ocaml switches (was Re: Runtime overflow and what to do) Chris Hecker
2002-10-13  9:25         ` [Caml-list] Runtime overflow and what to do Xavier Leroy
2002-10-13 10:04           ` Daniel de Rauglaudre
2002-10-13 10:29             ` Pierre Weis
2002-10-13 10:47               ` Daniel de Rauglaudre
2002-10-13 12:38                 ` Pierre Weis
2002-10-13 16:14               ` Xavier Leroy
2002-10-13 17:06                 ` Michel Quercia
2002-10-15 19:15                 ` Pierre Weis
2002-10-15 19:25                   ` Xavier Leroy
2002-10-16  8:24                     ` Pierre Weis
2002-10-13 10:19           ` Pierre Weis
2002-10-11  8:02       ` Sven LUTHER
2002-10-11  6:42 ` Florian Hars

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