From: Marius Vollmer <mvo@zagadka.ping.de>
Cc: guile-devel@gnu.org, guile-user@gnu.org
Subject: Re: status: separation of expansion/optimization/memoization/execution
Date: 10 Aug 2002 15:01:47 +0200 [thread overview]
Message-ID: <87lm7e7tqc.fsf@zagadka.ping.de> (raw)
In-Reply-To: <Pine.GSO.4.05.10208072242230.17160-100000@sallust.ida.ing.tu-bs.de>
Dirk Herrmann <dirk@sallust.ida.ing.tu-bs.de> writes:
> > Hmm, what is the purpose of this seperation? As far as I can see, the
> > important thing is the separate memoization from execution, not the
> > various stages of memoization itself.
>
> Well, I have to agree that I am not yet sure whether this separation is
> actually necessary. For me, this is a means to get a clearer idea of what
> is actually going on
Ok, but you are seeing a significant loss inperformance because of
them, right? Although I think it is acceptable to make on-the-fly
compilation more expensive in order to allow ahead-of-time
compilation, we should not do it gratuitously. It will be a long way
until we might no longer want to care about the on-the-fly compiler
since everybody compiles their important code ahead-of-time anyway.
So, cleaning up the existing lazy memoizer is a very good thing
indeed. But I'd say you should also make sure that you don't
significantly lose performance by doing it. That part of Guile will
be performance-critical for quite some time.
--
GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3 331E FAF8 226A D5D4 E405
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next prev parent reply other threads:[~2002-08-10 13:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-02 22:42 status: separation of expansion/optimization/memoization/execution Dirk Herrmann
2002-08-02 23:15 ` Rob Browning
2002-08-02 23:47 ` Han-Wen
2002-08-02 23:20 ` Dale P. Smith
2002-08-03 12:12 ` Han-Wen
2002-08-04 1:51 ` Dirk Herrmann
2002-08-04 2:03 ` Han-Wen
2002-08-04 2:05 ` Tom Lord
2002-08-04 2:11 ` Tom Lord
2002-08-04 2:20 ` for example Tom Lord
2002-08-04 2:27 ` i know -- let's play bridge! Tom Lord
2002-08-04 2:46 ` Tom Lord
2002-08-04 2:50 ` Thomas Bushnell, BSG
2002-08-04 2:57 ` Tom Lord
2002-08-04 3:04 ` Thomas Bushnell, BSG
2002-08-04 3:43 ` Tom Lord
2002-08-04 3:53 ` Thomas Bushnell, BSG
2002-08-04 4:03 ` Tom Lord
2002-08-04 4:10 ` Tom Lord
2002-08-04 3:50 ` Tom Lord
2002-08-04 3:55 ` Tom Lord
2002-08-04 3:58 ` Tom Lord
2002-08-05 18:15 ` status: separation of expansion/optimization/memoization/execution Marius Vollmer
2002-08-05 18:11 ` Marius Vollmer
2002-08-07 20:51 ` Dirk Herrmann
2002-08-10 13:01 ` Marius Vollmer [this message]
2002-08-14 19:30 ` Dirk Herrmann
2002-08-26 22:11 ` Marius Vollmer
2002-08-05 18:36 ` Neil Jerram
2002-08-07 20:55 ` Dirk Herrmann
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