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Re: [CPROG] Måling af tid på mindre end 1 sekund.



On 26 Jun 2003 13:11:21 +0200
Esben Haabendal Soerensen <sslug@sslug> wrote:

> Poul-Erik Andreasen <sslug@sslug> writes:
> 
> > Men kan hardwaren overhovedet opnå den præcion. Svarer det ikke til at
> > sætte micrometer markeringer på en tommestok.  
> 
> Der skulle være et par muligheder på x86.
> 
> PIT - Programmable Interval Timer
>         838 ns
> 
> TSC - CPU Time Stamp Clock
>         CPU MHz
> 
> ACPI power management timer
>         280 us

Det du opgiver her er alt sammen opløsninger, men det siger jo ikke
noget om præcision. 


-- 
Poul-Erik Andreasen


 
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