lkml.org 
[lkml]   [2002]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: Why does C3 CPU downgrade in kernel 2.4.20?
    From
    Date
    Am Die, 2002-12-10 um 06.52 schrieb Dave Jones:

    > I believe someone (Jeff Garzik?) benchmarked gcc code generation,
    > and the C3 executed code scheduled for a 486 faster than it did for
    > -m586
    > I'm not sure about the alignment flags. I've been meaning to look
    > into that myself...

    Interesting. I have no clue about which C3 you're talking about here but
    a VIA Ezra has all 686 instructions including cmov and thus optimising
    for PPro works best for me.

    Prolly I would have to do more benchmarking to find out about aligment
    advantages.

    --
    Servus,
    Daniel
    [unhandled content-type:application/pgp-signature]
    \
     
     \ /
      Last update: 2005-03-22 13:31    [W:0.028 / U:30.956 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site