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From: Marc Espie <espie@quatramaran.ens.fr>
To: rth@redhat.com
Cc: gcc@gcc.gnu.org
Subject: Re: Speeding up GC
Date: Tue, 04 Jun 2002 02:34:00 -0000	[thread overview]
Message-ID: <200206040920.g549KZP26811@quatramaran.ens.fr> (raw)
In-Reply-To: <20020603180553.A13829@redhat.com>

In article <20020603180553.A13829@redhat.com> you write:
>
>A better way to do this is to actually compact the GC arena
>and mark the pages read-only.  If the objects are modified,
>the SIGSEGV handler marks the page read-write again and flags
>the page as having been modified.

Isn't that a bit expensive ? getting through a SEGV and a signal-handler
is not especially fast on most OSes.

  reply	other threads:[~2002-06-04  9:20 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-03  6:25 Martin v. Löwis
2002-06-03  6:39 ` David S. Miller
2002-06-03 18:10 ` Richard Henderson
2002-06-04  2:34   ` Marc Espie [this message]
2002-06-04  3:15     ` David S. Miller
2002-06-04 11:42       ` Alexandre Oliva
2002-06-04 12:10         ` Richard Henderson
2002-06-04 12:39           ` David S. Miller
2002-06-04 12:38         ` David S. Miller
2002-06-04 10:03     ` Richard Henderson
     [not found] <j47klg8pfy.fsf@informatik.hu-berlin.de.suse.lists.egcs>
     [not found] ` <20020603180553.A13829@redhat.com.suse.lists.egcs>
2002-06-04  3:52   ` Andi Kleen
2002-06-04  6:57     ` John Levon
2002-06-04  7:14       ` Paul Koning
2002-06-04  7:37         ` David S. Miller
2002-06-04  7:51           ` Daniel Berlin
2002-06-04  7:53             ` David S. Miller
2002-06-04  7:58               ` Andi Kleen
2002-06-04  8:08                 ` David S. Miller
2002-06-04  8:55                   ` law
2002-06-04  8:17                 ` Marc Espie
2002-06-04  9:21                 ` Joe Buck
2002-06-04  8:10           ` Marc Espie
2002-06-04  8:58             ` David S. Miller
2002-06-04  9:05               ` Marc Espie
2002-06-04  9:35                 ` David S. Miller
2002-06-04  8:43           ` law
2002-06-04  8:59             ` David S. Miller
2002-06-04 10:15           ` Richard Henderson
2002-06-04 10:22             ` David S. Miller
2002-06-05  4:56 Robert Dewar
2002-08-17  5:13 Tim Josling
2002-08-18  0:25 ` Guillermo Ballester Valor

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