From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30869 invoked by alias); 23 Dec 2009 18:29:22 -0000 Mailing-List: contact archer-help@sourceware.org; run by ezmlm Sender: Precedence: bulk List-Post: List-Help: List-Subscribe: List-Id: Received: (qmail 30856 invoked by uid 22791); 23 Dec 2009 18:29:22 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org From: Tom Tromey To: Daniel Jacobowitz Cc: archer@sourceware.org Subject: Re: Initial psymtab replacement results References: <20091211235901.GA16889@caradoc.them.org> <20091214230947.GA31362@caradoc.them.org> Reply-To: Tom Tromey Date: Wed, 23 Dec 2009 18:29:00 -0000 In-Reply-To: (Tom Tromey's message of "Tue, 15 Dec 2009 16:38:58 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2009-q4/txt/msg00130.txt.bz2 >>>>> "Tom" == Tom Tromey writes: Tom> The 'byname' index really slows down populating the database. It took Tom> more than a minute to write out the database for gdb. [ ... later reduced to 20 seconds ... ] Tom> The other issue is that the resulting database is very big. For Tom> example, the database for gdb is 72M, but the gdb executable itself is Tom> 119M. 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. I haven't written the reader side of this yet. I probably won't finish that until sometime in January. Tom