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

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El Wed, 12 Dec 2007 01:16:06 +0100
Rene Herman <[email protected]> escribió:

> On 12-12-07 01:09, Alejandro Riveira Fernández wrote:

[...]

> 
> Great, thanks much for reporting. Sort of interesting in itself that without 
> -O2 you do still get correct results on 64-bit but for some other time.
> 
> You're the first one to go significantly below 1 us it seems.

 :( I have seen the other msg and i have to say that the tests where done at
1GHz not at full speed. At full speed i see
 
 cycles: out 3025, in 1653
 cycles: out 3040, in 1708
 cycles: out 3044, in 1650
 cycles: out 3034, in 1652
 cycles: out 3035, in 1652
 cycles: out 3037, in 1652
 cycles: out 3043, in 1709
 cycles: out 3032, in 1648
 cycles: out 3039, in 1652
 cycles: out 3041, in 1652
 cycles: out 3048, in 1704
 cycles: out 3040, in 1650
 cycles: out 3023, in 1631
 cycles: out 3036, in 1652
 cycles: out 3042, in 1706
 cycles: out 3047, in 1708
 cycles: out 3047, in 1711
 cycles: out 3036, in 1652


 

> 
> Rene.
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