lkml.org 
[lkml]   [2002]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [BENCHMARK] 2.5.44-mm6 contest results
    Jens Axboe wrote:
    >
    > On Mon, Oct 28 2002, Andrew Morton wrote:
    > > Con Kolivas wrote:
    > > >
    > > > io_load:
    > > > Kernel [runs] Time CPU% Loads LCPU% Ratio
    > > > 2.5.44 [3] 873.8 9 69 12 12.24
    > > > 2.5.44-mm1 [3] 347.3 22 35 15 4.86
    > > > 2.5.44-mm2 [3] 294.2 28 19 10 4.12
    > > > 2.5.44-mm4 [3] 358.7 23 25 10 5.02
    > > > 2.5.44-mm5 [4] 270.7 29 18 11 3.79
    > > > 2.5.44-mm6 [3] 284.1 28 20 10 3.98
    > >
    > > Jens, I think I prefer fifo_batch=16. We do need to expose
    > > these in /somewhere so people can fiddle with them.
    >
    > I was hoping someone else would do comprehensive disk benchmarks with
    > fifo_batch=32 and fifo_batch=16, but I guess that you have to currently
    > change the define in the source doesn't make that very likely. I don't
    > really like your global settings (for per-queue entities), but I guess
    > they can suffice until a better approach is done.

    Oh sure; it's just a hack so we can experiment with it. Not that
    anyone has, to my knowledge.

    > I'll do some benching today.

    Wouldn't hurt, but it's a complex problem. Another approach would
    be to quietly change it and see who squeaks ;)
    -
    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 13:30    [W:0.045 / U:1.080 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site