From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17593 invoked by alias); 31 Aug 2004 10:28:59 -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 17329 invoked from network); 31 Aug 2004 10:28:52 -0000 Received: from unknown (HELO thinkpad.gardas.net) (80.188.250.3) by sourceware.org with SMTP; 31 Aug 2004 10:28:52 -0000 Received: from karel (helo=localhost) by thinkpad.gardas.net with local-esmtp (Exim 3.35 #1 (Debian)) id 1C25sg-0000lX-00; Tue, 31 Aug 2004 12:28:50 +0200 Date: Tue, 31 Aug 2004 10:46:00 -0000 From: Karel Gardas X-X-Sender: karel@thinkpad.gardas.net To: Paolo Bonzini cc: GCC Mailing List Subject: Re: Compilation performance comparison of gcc3.4.1 and gcc3.5.0 2004-08-30 on MICO sources In-Reply-To: <413452D4.6040903@gnu.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SW-Source: 2004-08/txt/msg01603.txt.bz2 On Tue, 31 Aug 2004, Paolo Bonzini wrote: > >>>1) typecode.cc: 40% regression on O1 while 7% speedup on O2 > >> > >>Can you show us the time report for the 40% regression? > > Also for 3.4.1? Sure! Execution times (seconds) garbage collection : 0.79 ( 6%) usr 0.00 ( 0%) sys 0.84 ( 5%) wall cfg construction : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.11 ( 1%) wall cfg cleanup : 0.18 ( 1%) usr 0.00 ( 0%) sys 0.16 ( 1%) wall trivially dead code : 0.10 ( 1%) usr 0.01 ( 0%) sys 0.14 ( 1%) wall life analysis : 0.80 ( 6%) usr 0.00 ( 0%) sys 0.85 ( 5%) wall life info update : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.15 ( 1%) wall alias analysis : 0.16 ( 1%) usr 0.00 ( 0%) sys 0.21 ( 1%) wall register scan : 0.13 ( 1%) usr 0.00 ( 0%) sys 0.18 ( 1%) wall rebuild jump labels : 0.07 ( 0%) usr 0.01 ( 0%) sys 0.05 ( 0%) wall preprocessing : 0.44 ( 3%) usr 0.21 (10%) sys 0.65 ( 4%) wall parser : 4.41 (31%) usr 0.67 (31%) sys 5.22 (31%) wall name lookup : 1.61 (11%) usr 1.17 (53%) sys 2.90 (17%) wall expand : 0.79 ( 6%) usr 0.03 ( 1%) sys 0.78 ( 5%) wall varconst : 0.04 ( 0%) usr 0.01 ( 0%) sys 0.09 ( 1%) wall integration : 0.65 ( 5%) usr 0.00 ( 0%) sys 0.67 ( 4%) wall jump : 0.05 ( 0%) usr 0.02 ( 1%) sys 0.02 ( 0%) wall CSE : 0.49 ( 3%) usr 0.00 ( 0%) sys 0.46 ( 3%) wall loop analysis : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall branch prediction : 0.19 ( 1%) usr 0.00 ( 0%) sys 0.16 ( 1%) wall flow analysis : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall combiner : 0.34 ( 2%) usr 0.00 ( 0%) sys 0.42 ( 2%) wall if-conversion : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall mode switching : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall local alloc : 0.34 ( 2%) usr 0.00 ( 0%) sys 0.28 ( 2%) wall global alloc : 0.91 ( 6%) usr 0.02 ( 1%) sys 0.83 ( 5%) wall reload CSE regs : 0.18 ( 1%) usr 0.00 ( 0%) sys 0.25 ( 1%) wall flow 2 : 0.18 ( 1%) usr 0.01 ( 0%) sys 0.12 ( 1%) wall if-conversion 2 : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall rename registers : 0.15 ( 1%) usr 0.00 ( 0%) sys 0.10 ( 1%) wall machine dep reorg : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall shorten branches : 0.16 ( 1%) usr 0.00 ( 0%) sys 0.13 ( 1%) wall final : 0.28 ( 2%) usr 0.01 ( 0%) sys 0.43 ( 3%) wall symout : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall rest of compilation : 0.42 ( 3%) usr 0.02 ( 1%) sys 0.49 ( 3%) wall TOTAL : 14.25 2.19 16.89 # cc1plus 14.26 2.21 # as 0.34 0.02 Karel -- Karel Gardas kgardas@objectsecurity.com ObjectSecurity Ltd. http://www.objectsecurity.com