lkml.org 
[lkml]   [2007]   [Dec]   [11]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
FromAlistair John Strachan <>
SubjectRe: [RFT] Port 0x80 I/O speed
DateWed, 12 Dec 2007 01:19:02 +0000
On Tuesday 11 December 2007 23:31:18 Rene Herman wrote:
> Good day.
>
> Would some people on x86 (both 32 and 64) be kind enough to compile and run
> the attached program? This is about testing how long I/O port access to
> port 0x80 takes. It measures in CPU cycles so CPU speed is crucial in
> reporting.

cycles: out 2712, in 2606

1.5GHz C7, Via chipset. 32bit OS.

-- 
Cheers,
Alistair.

137/1 Warrender Park Road, Edinburgh, UK.


\
 
 \ /
  Last update: 2007-12-12 02:21    [from the cache]
©2003-2008