07/1d932879872a6b97e5047b98caa0c367af2bf7

   1 Return-Path: <jani@nikula.org>\r
   2 X-Original-To: notmuch@notmuchmail.org\r
   3 Delivered-To: notmuch@notmuchmail.org\r
   4 Received: from localhost (localhost [127.0.0.1])\r
   5         by olra.theworths.org (Postfix) with ESMTP id 71C72431FAF\r
   6         for <notmuch@notmuchmail.org>; Wed,  9 Oct 2013 11:25:50 -0700 (PDT)\r
   7 X-Virus-Scanned: Debian amavisd-new at olra.theworths.org\r
   8 X-Spam-Flag: NO\r
   9 X-Spam-Score: -0.7\r
  10 X-Spam-Level: \r
  11 X-Spam-Status: No, score=-0.7 tagged_above=-999 required=5\r
  12         tests=[RCVD_IN_DNSWL_LOW=-0.7] autolearn=disabled\r
  13 Received: from olra.theworths.org ([127.0.0.1])\r
  14         by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024)\r
  15         with ESMTP id tn6ZifxivhIS for <notmuch@notmuchmail.org>;\r
  16         Wed,  9 Oct 2013 11:25:43 -0700 (PDT)\r
  17 Received: from mail-ea0-f171.google.com (mail-ea0-f171.google.com\r
  18         [209.85.215.171]) (using TLSv1 with cipher RC4-SHA (128/128 bits))\r
  19         (No client certificate requested)\r
  20         by olra.theworths.org (Postfix) with ESMTPS id B6D65431FAE\r
  21         for <notmuch@notmuchmail.org>; Wed,  9 Oct 2013 11:25:42 -0700 (PDT)\r
  22 Received: by mail-ea0-f171.google.com with SMTP id n15so609148ead.2\r
  23         for <notmuch@notmuchmail.org>; Wed, 09 Oct 2013 11:25:41 -0700 (PDT)\r
  24 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;\r
  25         d=1e100.net; s=20130820;\r
  26         h=x-gm-message-state:from:to:cc:subject:in-reply-to:references\r
  27         :user-agent:date:message-id:mime-version:content-type;\r
  28         bh=b09i//JDzWOD3kFoHLCAdHflnaXHqgr1W+ZprFPGD6w=;\r
  29         b=Qh2PsupbIAbZXx0ycMXX/Cw2p9c+37AoMtkLIlxI5e7aKruP4tOYhVp+Q3aT3vyeOD\r
  30         d+86l74LIPgPAdGEId2mWqAksjTeFydoPxczkpFS2h2DnVjQLc0tqrOXcxQfcNnWXWv7\r
  31         tTwA2NDqddEqc5nhs+eHroNrf27yGK8zj7dd9R/Kb52Q4+xKuoRblBFX/LRv5cLnD9R2\r
  32         vQY1INq8hjsHj0I3zo+Pkb+cpsFRxUGXFvyTXV+tDmTPWZIQ73dDRl2cgYchB2vJrKKd\r
  33         d9X12hTlxI1Fy8ahSLP0qna91XQalk+mfwKK+DdjZiLCdb6pbEq8eqUyNUHRNTum0cI8\r
  34         zZfQ==\r
  35 X-Gm-Message-State:\r
  36  ALoCoQlhcKb/W/p77YOmjwvvLGBi9AmQSjlOKs4Tp5YOO99Wt1zpbWF6ImJptIrmiXWCQ0bgSqBq\r
  37 X-Received: by 10.14.122.132 with SMTP id t4mr13771958eeh.20.1381343140206;\r
  38         Wed, 09 Oct 2013 11:25:40 -0700 (PDT)\r
  39 Received: from localhost (dsl-hkibrasgw2-58c36f-91.dhcp.inet.fi.\r
  40         [88.195.111.91])\r
  41         by mx.google.com with ESMTPSA id m54sm91689038eex.2.1969.12.31.16.00.00\r
  42         (version=TLSv1.2 cipher=RC4-SHA bits=128/128);\r
  43         Wed, 09 Oct 2013 11:25:38 -0700 (PDT)\r
  44 From: Jani Nikula <jani@nikula.org>\r
  45 To: Austin Clements <amdragon@MIT.EDU>\r
  46 Subject: Re: [PATCH 08/11] search: Add stable queries to thread search results\r
  47 In-Reply-To: <20131009143658.GQ21611@mit.edu>\r
  48 References: <1381185201-25197-1-git-send-email-amdragon@mit.edu>\r
  49         <1381185201-25197-9-git-send-email-amdragon@mit.edu>\r
  50         <87fvsaao2q.fsf@nikula.org> <20131009143658.GQ21611@mit.edu>\r
  51 User-Agent: Notmuch/0.16+88~g563143a (http://notmuchmail.org) Emacs/24.3.1\r
  52         (x86_64-pc-linux-gnu)\r
  53 Date: Wed, 09 Oct 2013 21:25:39 +0300\r
  54 Message-ID: <87a9iil2sc.fsf@nikula.org>\r
  55 MIME-Version: 1.0\r
  56 Content-Type: text/plain\r
  57 Cc: notmuch@notmuchmail.org\r
  58 X-BeenThere: notmuch@notmuchmail.org\r
  59 X-Mailman-Version: 2.1.13\r
  60 Precedence: list\r
  61 List-Id: "Use and development of the notmuch mail system."\r
  62         <notmuch.notmuchmail.org>\r
  63 List-Unsubscribe: <http://notmuchmail.org/mailman/options/notmuch>,\r
  64         <mailto:notmuch-request@notmuchmail.org?subject=unsubscribe>\r
  65 List-Archive: <http://notmuchmail.org/pipermail/notmuch>\r
  66 List-Post: <mailto:notmuch@notmuchmail.org>\r
  67 List-Help: <mailto:notmuch-request@notmuchmail.org?subject=help>\r
  68 List-Subscribe: <http://notmuchmail.org/mailman/listinfo/notmuch>,\r
  69         <mailto:notmuch-request@notmuchmail.org?subject=subscribe>\r
  70 X-List-Received-Date: Wed, 09 Oct 2013 18:25:50 -0000\r
  71 \r
  72 On Wed, 09 Oct 2013, Austin Clements <amdragon@MIT.EDU> wrote:\r
  73 > Quoth Jani Nikula on Oct 09 at  9:41 am:\r
  74 >> Also one talloc less. Which brings me to the main worry:\r
  75 >> performance. What's the impact?\r
  76 >\r
  77 > Seems to be about 1%-3% for CLI search (tested on the medium corpus).\r
  78 > It's hard to measure what the effect on Emacs search is, though I\r
  79 > would expect it to be similarly negligible.\r
  80 \r
  81 I can live with that. :)\r
  82 \r
  83 > Some work I did several attempts at this ago suggests that this slows\r
  84 > down tagging (though I doubt it would be noticeable for single\r
  85 > threads), but I also found that switching to docid-based queries\r
  86 > significantly sped things up:\r
  87 > id:CAH-f9WsPj=1Eu=g3sOePJgCTBFs6HrLdLq18xMEnJ8aZ00yCEg@mail.gmail.com\r
  88 > Actually, docid queries probably make tagging faster than it is *now*,\r
  89 > but I didn't measure that when I did the experiments.\r
  90 \r
  91 Looks like there's a few hurdles in adding that concept\r
  92 nicely. Something for the future.\r
  93 \r
  94 BR,\r
  95 Jani.\r