From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12556 invoked by alias); 5 Jan 2010 15:34:12 -0000 Received: (qmail 12546 invoked by uid 22791); 5 Jan 2010 15:34:11 -0000 X-SWARE-Spam-Status: No, hits=-1.1 required=5.0 tests=AWL,BAYES_05,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mail-ew0-f209.google.com (HELO mail-ew0-f209.google.com) (209.85.219.209) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 05 Jan 2010 15:34:06 +0000 Received: by ewy1 with SMTP id 1so19883393ewy.8 for ; Tue, 05 Jan 2010 07:34:03 -0800 (PST) MIME-Version: 1.0 Received: by 10.213.96.6 with SMTP id f6mr23637135ebn.81.1262705643072; Tue, 05 Jan 2010 07:34:03 -0800 (PST) In-Reply-To: References: <5e81cb500912040734u5ce67afdpd6a2d0e63173f908@mail.gmail.com> <5e81cb500912142326t1bd545ek9180661d8bac10fe@mail.gmail.com> <4B2752C6.4050804@undo-software.com> <5e81cb500912161826j290a3650o999af91f93d4bddf@mail.gmail.com> <4B2A8DE9.5050200@vmware.com> <5e81cb500912180233w9c64972wb1fb60d76584ed0b@mail.gmail.com> Date: Tue, 05 Jan 2010 15:34:00 -0000 Message-ID: <5e81cb501001050734r5465b86ap921b5c2552cd155c@mail.gmail.com> Subject: Re: UndoDB's performance From: Sean Chen To: Hui Zhu Cc: Michael Snyder , Marc Khouzam , Greg Law , "gdb@sourceware.org" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2010-01/txt/msg00041.txt.bz2 > The idea is not bad. =A0If you can do something is better. =A0:) Of course I will try in case the idea is mature enough. And your experience is very important. Do you know the execution time (proportion) of each step? You know, it highly depends on the proportion of these three steps. 1. parse the instruction 2. store the delta status 3. single step the instruction --=20 Best Regards, Sean Chen