From: Marius Vollmer <mvo@zagadka.ping.de>
Cc: djurfeldt@nada.kth.se, Dirk Herrmann <dirk@ida.ing.tu-bs.de>,
guile-devel@gnu.org
Subject: Re: expansion, memoization, and evaluation...
Date: 05 Dec 2002 17:27:27 +0100 [thread overview]
Message-ID: <87ptsg1le8.fsf@zagadka.ping.de> (raw)
In-Reply-To: <87wumpe3be.fsf@raven.i.defaultvalue.org>
Rob Browning <rlb@defaultvalue.org> writes:
> (call scm_add (ref x_4432) (ref y_2231))
>
> but later, as we get smarter about flow analysis, etc. we might be
> able in some cases to generate:
>
> (plus (ref x_4432) (ref y_2231))
>
> which would be *way* faster.
Just some random thoughts since I have done this in guile-lightning:
we should definitely inline fixnum arithmetic and call out of line
code only for non-fixnums or overflows. That gives a big improvement
over just calling scm_sum all the time.
--
GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3 331E FAF8 226A D5D4 E405
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next prev parent reply other threads:[~2002-12-05 16:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-04 2:41 expansion, memoization, and evaluation Rob Browning
2002-12-04 2:57 ` Mikael Djurfeldt
2002-12-04 3:10 ` Rob Browning
2002-12-04 3:31 ` Mikael Djurfeldt
2002-12-04 4:07 ` Rob Browning
2002-12-04 7:07 ` Mikael Djurfeldt
2002-12-04 21:11 ` Rob Browning
2002-12-04 21:47 ` Mikael Djurfeldt
2002-12-05 0:07 ` Rob Browning
2002-12-05 16:27 ` Marius Vollmer [this message]
2002-12-05 17:07 ` Rob Browning
2002-12-04 8:09 ` klaus schilling
2002-12-04 10:55 ` Mikael Djurfeldt
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