From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18692 invoked by alias); 8 Oct 2003 23:12:55 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 18683 invoked from network); 8 Oct 2003 23:12:54 -0000 Received: from unknown (HELO atrey.karlin.mff.cuni.cz) (195.113.31.123) by sources.redhat.com with SMTP; 8 Oct 2003 23:12:54 -0000 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 29025) id 48FE84C026A; Thu, 9 Oct 2003 01:12:54 +0200 (CEST) Date: Wed, 08 Oct 2003 23:12:00 -0000 From: Zdenek Dvorak To: Daniel Berlin Cc: gcc@gcc.gnu.org, Geoff Keating Subject: Re: [tree-ssa] Garbage collector x bb annotations Message-ID: <20031008231254.GA32398@atrey.karlin.mff.cuni.cz> References: <20031006223141.GA2094@atrey.karlin.mff.cuni.cz> <1065619632.7057.44.camel@frodo.toronto.redhat.com> <20031008135344.GB18809@atrey.karlin.mff.cuni.cz> <20031008213722.GA22848@atrey.karlin.mff.cuni.cz> <200310082258.h98Mwm118989@desire.geoffk.org> <20031008230505.GA27060@atrey.karlin.mff.cuni.cz> <9F96802C-F9E4-11D7-B3D1-000A95AF1FAE@dberlin.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9F96802C-F9E4-11D7-B3D1-000A95AF1FAE@dberlin.org> User-Agent: Mutt/1.3.28i X-SW-Source: 2003-10/txt/msg00305.txt.bz2 Hello, > >:-) But really, getting things slower just because we are lazy to write > >10 more lines of code is not a great idea. I agree there is a terrible > >mess in memory allocation in gcc, and having this all done by garbage > >collector would be great, but we should first have a good one (btw. > >what > >I always wondered -- is there not somewhere floating some decent free > >garbage collector that could be used?) > > Boehm's is slower than what we've got now. > > I'm working on hybrid copying + mark and sweep. > > If you *really* want to improve the gc, however, we need compiler > support. what kind of support do you have in mind? Zdenek