Re: [RFT] Port 0x80 I/O speed

[Jiri Slaby]

On Dec 12, 2007 9:48 AM, Jiri Slaby <jirislaby@xxxxxxxxx> wrote:
> On 12/12/2007 12:31 AM, 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

model name      : Intel(R) Xeon(R) CPU           E5335  @ 2.00GHz

cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898
cycles: out 3217, in 1898

model name      : Dual Core AMD Opteron(tm) Processor 275
cycles: out 5508, in 5524
cycles: out 5509, in 5525
cycles: out 5510, in 5522
cycles: out 5512, in 5522
cycles: out 5512, in 5522
cycles: out 5510, in 5524
cycles: out 5510, in 5522
cycles: out 5511, in 5525
cycles: out 5513, in 5521
cycles: out 5509, in 5522
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/