lkml.org 
[lkml]   [2004]   [Jun]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] Performance regression in 2.6.7-rc3
    Herbert Xu wrote:
    > Martin J. Bligh <mbligh@aracnet.com> wrote:
    >
    >>How the hell can that have any effect on non-threaded workloads? Perhaps
    >>some part of kernel compile *is* multi-threaded. It does seem to get
    >
    >
    > make(1) with vfork(2) perhaps?

    I think balance on clone probably needs to be turned off by default
    presently.

    It slows down a simple thread creation test by a factor of 7(!) here,
    and has quite a few not too difficult to imagine performance problems.

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:03    [W:0.037 / U:0.128 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site