Patch for optimize context switch

[FASSINO Jean-Philippe]

FASSINO Jean-Philippe wrote:

> FASSINO Jean-Philippe wrote:
>
>   ------------------------------------------------------------------------
> Context switching - times in microseconds - smaller is better
> -------------------------------------------------------------
> Host                 OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K
>                         ctxsw  ctxsw  ctxsw ctxsw  ctxsw   ctxsw   ctxsw
> --------- ------------- ----- ------ ------ ------ ------ ------- -------
> ppc-linux Linux 2.2.15p    1      7     90    26    107      31     222
> ppc-linux Linux 2.2.15p    1      7     91    26    110      29     257
> ppc-linux Linux 2.2.15p    1      7     90    25    112      26     233
> ppc-linux Linux 2.2.15p    1      7     92    25    126      27     243
> ppc-linux Linux 2.2.15p    1      7    147    26    150      27     245

> ppc-linux Linux 2.2.15p    0      7     92    25    136      28     270
> ppc-linux Linux 2.2.15p    1      8     90    27    103      27     211
> ppc-linux Linux 2.2.15p    0      9     90    30    112      32     228
> ppc-linux Linux 2.2.15p    1      7     91    25    130      29     277
> ppc-linux Linux 2.2.15p    1      7     90    25    105      26     211

Sorry i forgot to say :
    - 5 first run is without patch
    - 5 last run is with path

Jean-Philippe

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Jean-Philippe FASSINO  Tel :  04 76 76 45 52
CNET : DTL/ASR         mailto:jeanphilippe.fassino at cnet.francetelecom.fr
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