From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31971 invoked by alias); 23 Dec 2009 18:35:00 -0000 Mailing-List: contact archer-help@sourceware.org; run by ezmlm Sender: Precedence: bulk List-Post: List-Help: List-Subscribe: List-Id: Received: (qmail 31961 invoked by uid 22791); 23 Dec 2009 18:35:00 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Date: Wed, 23 Dec 2009 18:35:00 -0000 From: Daniel Jacobowitz To: Tom Tromey Cc: archer@sourceware.org Subject: Re: Initial psymtab replacement results Message-ID: <20091223183452.GA16217@caradoc.them.org> References: <20091211235901.GA16889@caradoc.them.org> <20091214230947.GA31362@caradoc.them.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SW-Source: 2009-q4/txt/msg00131.txt.bz2 On Wed, Dec 23, 2009 at 11:29:10AM -0700, Tom Tromey wrote: > This week I changed gdb to write out a directly-mmappable index. > Writing the index for gdb takes 2.5 seconds, and the resulting file is > 19M. > > I think that is more reasonable -- still not super, but livable. Actually, I think it's pretty good! It's about 3x the size of .debug_info, which uses abbrevs and ulebs for compression. Some of the 2.5s will be leveraged in the same session since we can then use the index. It's still a big hit, but maybe we can background it or something... -- Daniel Jacobowitz CodeSourcery