GNU bug report logs - #17049
[PATCH] Make reverse! forego the cost of SCM_VALIDATE_LIST

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Package: guile;

Reported by: David Kastrup <dak <at> gnu.org>

Date: Thu, 20 Mar 2014 11:24:01 UTC

Severity: wishlist

Tags: notabug, patch

Done: Mark H Weaver <mhw <at> netris.org>

Bug is archived. No further changes may be made.

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From: Andy Wingo <wingo <at> pobox.com>
To: David Kastrup <dak <at> gnu.org>
Cc: 17049 <at> debbugs.gnu.org
Subject: bug#17049: [PATCH] Make reverse! forego the cost of SCM_VALIDATE_LIST
Date: Thu, 20 Mar 2014 21:50:11 +0100

Hi,

Thanks for the patch.  What is its performance impact for your use case?

On Thu 20 Mar 2014 12:23, David Kastrup <dak <at> gnu.org> writes:

> +  /* We did not start with a proper list.  Undo the reversal. */

I'm hesitant.  This is visible to other threads.  (Granted there has to
be significant wrongness if we get here...)

Andy
-- 
http://wingolog.org/
This bug report was last modified 11 years and 58 days ago.

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