From: Julian Graham <joolean@gmail.com>
To: Andy Wingo <wingo@pobox.com>
Cc: guile-devel <guile-devel@gnu.org>
Subject: Re: [PATCH] Performance improvement for R6RS records
Date: Sun, 19 Sep 2010 11:28:49 -0400 [thread overview]
Message-ID: <AANLkTi=Ruab2rki0FqY4o+02UF-gU0GEA9nwVL+_hA5q@mail.gmail.com> (raw)
In-Reply-To: <m3lj6yqapd.fsf@unquote.localdomain>
Hey Andy,
> Is it possible to keep the current flat record layout, and change this
> check to be:
>
> (define (record-internal? obj)
> (and (struct? obj)
> (eq? (struct-vtable (struct-vtable obj))
> record-type-vtable)))
>
> What kind of performance do you get there?
I'm probably misunderstanding things, but this code doesn't work for
me -- I think there are some other modifications that'd be necessary.
I'm guessing you're proposing something along the lines of using
Vtable Vtables, as described in manual section 5.6.9.4?
Regards,
Julian
next prev parent reply other threads:[~2010-09-19 15:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-19 0:20 [PATCH] Performance improvement for R6RS records Julian Graham
2010-09-19 10:39 ` Andy Wingo
2010-09-19 15:28 ` Julian Graham [this message]
2010-09-20 7:20 ` Andy Wingo
2010-09-27 20:05 ` Andy Wingo
2010-10-04 13:48 ` Julian Graham
2010-10-04 19:09 ` Andy Wingo
2010-10-10 5:46 ` Julian Graham
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