From: Neil Jerram <neil@ossau.uklinux.net>
To: Andy Wingo <wingo@pobox.com>
Cc: "Ludovic Courtès" <ludo@gnu.org>, guile-devel@gnu.org
Subject: Re: data-crunching in guile
Date: Fri, 26 Jun 2009 22:25:04 +0100 [thread overview]
Message-ID: <874ou2lmbz.fsf@arudy.ossau.uklinux.net> (raw)
In-Reply-To: <m3ws6zkqm1.fsf@pobox.com> (Andy Wingo's message of "Fri\, 26 Jun 2009 16\:37\:58 +0200")
Andy Wingo <wingo@pobox.com> writes:
> Hi Neil!
Hi Andy!
> On Fri 26 Jun 2009 00:47, Neil Jerram <neil@ossau.uklinux.net> writes:
>
>> Thanks, I see now. But presumably even VM code will frequently call
>> out to primitives all over libguile, won't it?
>
> Over time, I'd say no. I see functions written in C migrating over to be
> written in Scheme, like PLT did recently with `map'. We should port
> srfi-1 back to Scheme I think :) Not to mention silly things like
> string-any being in boot-9...
>
> There's no reason for Scheme to be slow. Of course, this is the "over
> time" view, currently we're not there...
>
> And yet, disassemble the functions that you use regularly, and often you
> find they just use VM ops, and don't call out to primitives. That shows
> that the VM is, while virtual, still quite a good machine for
> computation.
Fair enough, I can see that now. In other words, that there will be
long enough passages of pure VM code to make the VM code size important.
Neil
next prev parent reply other threads:[~2009-06-26 21:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-24 12:03 data-crunching in guile Andy Wingo
2009-06-25 7:26 ` Neil Jerram
2009-06-25 8:04 ` Ludovic Courtès
2009-06-25 21:08 ` Andy Wingo
2009-06-25 22:47 ` Neil Jerram
2009-06-26 14:37 ` Andy Wingo
2009-06-26 21:25 ` Neil Jerram [this message]
2009-06-26 12:09 ` Andy Wingo
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