public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Fengguang Wu <fengguang.wu@intel.com>
To: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: LKML <linux-kernel@vger.kernel.org>, lkp@01.org
Subject: [x86] 339a3922f6: +4.3% aim7 jobs-per-min
Date: Thu, 20 Feb 2014 21:06:46 +0800	[thread overview]
Message-ID: <20140220130646.GA22815@localhost> (raw)

Hi Maarten,

We are glad to find that your commit 339a3922f68dcb7d93001f07b7e914d5cf6c066d
("decrease useless padding") increased aim disk_src performance by 4.3%:

74833276be6802b  339a3922f68dcb7d93001f07b  
---------------  -------------------------  
    511685 ~ 0%      +4.3%     533571 ~ 0%  TOTAL aim7.2000.jobs-per-min
     77.30 ~ 0%      -9.9%      69.66 ~ 0%  TOTAL time.system_time
      1.95 ~ 2%      +7.0%       2.09 ~ 2%  TOTAL iostat.sda.rrqm/s
     23.57 ~ 0%      -4.1%      22.60 ~ 0%  TOTAL time.elapsed_time
       425 ~ 0%      -3.1%        412 ~ 0%  TOTAL time.percent_of_cpu_this_job_got
      7.59 ~ 0%      -2.9%       7.37 ~ 0%  TOTAL boottime.dhcp
     15.24 ~ 0%      -1.9%      14.94 ~ 0%  TOTAL boottime.boot

                                 time.system_time

   82 ++--------------------------------------------------------------------+
      |                                                                     |
   80 ++                                 ..*..                              |
      |                   .*..        .*.          .*..                     |
   78 ++.*..*..*..*..*..*.    *..  .*.        *..*.    *..*..        .*..*  |
      *.                         *.                          *..*..*.       |
   76 ++                                                                    |
      |                                                                     |
   74 ++                                                                    |
      |                                                                     |
   72 ++                                                                    |
      |                                                                     |
   70 O+ O  O  O  O  O  O  O  O     O  O   O  O  O  O  O           O  O  O  |
      |                                                   O  O  O           O
   68 ++-------------------------O------------------------------------------+


                                  time.elapsed_time

     24 ++------------------------------------------------------------------+
        |                                  *..                              |
   23.8 ++                                +   *..                           |
        *..*..  .*..     .*..*..*..  .*..*       *..*..*..*..        .*..   |
   23.6 ++    *.    *..*.          *.                        *..*..*.    *  |
   23.4 ++                                                                  |
        |                                                                   |
   23.2 ++                                                                  |
        |                                                                   |
     23 ++                                                                  |
        |                                                                   |
   22.8 ++          O              O     O    O              O              |
   22.6 O+ O  O  O     O  O  O  O     O    O     O  O  O        O  O  O  O  O
        |                                                 O                 |
   22.4 ++------------------------------------------------------------------+


                                aim7.2000.jobs-per-min

   540000 ++----------------------------------------------------------------+
          |                                                                 |
   535000 O+ O  O             O        O    O     O  O  O  O     O O  O  O  |
   530000 ++       O O  O  O     O  O     O    O              O             O
          |                                                                 |
   525000 ++                                                                |
          |                                                                 |
   520000 ++                                                                |
          |                                                                 |
   515000 ++                                                    .*.         |
   510000 *+.*..*..*.*..*..*..*..*..*..                      .*.   *..  .*  |
          |                            *..*.     .*..*..*..*.         *.    |
   505000 ++                                *..*.                           |
          |                                                                 |
   500000 ++----------------------------------------------------------------+


             reply	other threads:[~2014-02-20 13:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-20 13:06 Fengguang Wu [this message]
2014-02-20 13:13 ` [x86] 339a3922f6: +4.3% aim7 jobs-per-min Maarten Lankhorst

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140220130646.GA22815@localhost \
    --to=fengguang.wu@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lkp@01.org \
    --cc=maarten.lankhorst@canonical.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox