[BENCHMARK] 2.6.3-rc2 v 2.6.3-rc3-mm1 kernbench

From: Con Kolivas (kernel_at_kolivas.org)
Date: 02/16/04

  • Next message: Christophe Saout: "Re: dm-crypt using kthread" 
    To: linux kernel mailing list <linux-kernel@vger.kernel.org>
Date:	Mon, 16 Feb 2004 23:59:42 +1100

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    Here's some nice evidence of the sched domains' patch value:
    kernbench 0.20 running on an X440 8x1.5Ghz P4HT (2 node)

    Time is in seconds. Lower is better (fixed font table)

    Summary:
    Kernel: 2.6.3-rc2 2.6.3-rc3-mm1
    Half(-j8) 120.8 113.0
    Optimal(-j64) 81.6 79.3
    Max(-j) 82.9 80.3

    shorter summary:
    2.6.3-rc3-mm1 kicks ***

    long winded summary (look at the massive context switch differences):

    results.2.6.3-rc2

    Average Half Load Run:
    Elapsed Time 120.808
    User Time 802.428
    System Time 92.072
    Percent CPU 740
    Context Switches 10613.6
    Sleeps 26667

    Average Optimum Load Run:
    Elapsed Time 81.59
    User Time 1007.89
    System Time 112.36
    Percent CPU 1372.6
    Context Switches 63006.2
    Sleeps 40406

    Average Maximum Load Run:
    Elapsed Time 82.944
    User Time 1012.33
    System Time 122.424
    Percent CPU 1367.6
    Context Switches 44822.2
    Sleeps 22161

    results.2.6.3-rc3-mm1:

    Average Half Load Run:
    Elapsed Time 113.008
    User Time 742.786
    System Time 90.65
    Percent CPU 738
    Context Switches 28062.6
    Sleeps 24571.8

    Average Optimum Load Run:
    Elapsed Time 79.278
    User Time 1007.69
    System Time 107.388
    Percent CPU 1407
    Context Switches 33355
    Sleeps 32720

    Average Maximum Load Run:
    Elapsed Time 80.33
    User Time 1009.89
    System Time 121.518
    Percent CPU 1408.4
    Context Switches 31802.4
    Sleeps 22905

    Con
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  • Next message: Christophe Saout: "Re: dm-crypt using kthread"