From: Chris Hecker <checker@d6.com>
To: Markus Mottl <markus@mail4.ai.univie.ac.at>,
Jerome Vouillon <vouillon@saul.cis.upenn.edu>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] calling native from bytecode (was RE: a regular expression library)
Date: Tue, 25 Sep 2001 14:22:09 -0700 [thread overview]
Message-ID: <4.3.2.7.2.20010925141543.02a904f0@arda.pair.com> (raw)
In-Reply-To: <20010925210317.C16531@chopin.ai.univie.ac.at>
>> (The library is much slower when compiled to bytecode though, as it
>> is entirely written in O'Caml. I plan to rewrite the critical
>> sections of the code in C.)
>It would be really nice if there were ways to call OCaml-native code
>from OCaml-byte code. This question has popped up in the past, but it's
>not an easy thing to do due to issues with the runtime:
> http://caml.inria.fr/archives/200108/msg00026.html
>Any news in this respect? A toplevel that could run a high-performance,
>OCaml-native code string matching engine would give a terrific scripting
>environment!
I was going to reply to that same quote and reiterate my desire to link native and bytecode! :) That was the thread I started you've linked to, here's the beginning: http://caml.inria.fr/archives/200108/msg00008.html.
It's such a shame that we're pushing ocaml code into C because of this limitation. This seems incredibly ironic and sad to me.
I started looking into it seriously, but I got discouraged after Xavier's discussion of the gc differences and after I looked at the runtime code (lots of #ifdefs and even separate files in some cases).
It seems like it would be a _ton_ of work if you tried to do it in a backwards compatible way. If this was a higher priority, it seems like you could do it if you punted bytecode backwards compatibility and made some big changes. I'd love to do this, but it looks like a major undertaking, not the quick hack I originally though it might be.
Chris
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next prev parent reply other threads:[~2001-09-25 21:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 17:12 [Caml-list] RE: a regular expression library Jerome Vouillon
2001-09-25 18:40 ` Miles Egan
2001-09-25 19:03 ` Markus Mottl
2001-09-25 21:22 ` Chris Hecker [this message]
2001-09-25 22:40 ` [Caml-list] calling native from bytecode Dave Mason
2001-11-09 15:09 ` [Caml-list] avoiding native call from bytecode issue via dynamic linking Jeff Henrikson
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