Re: [avr-gcc-list] AVR Studio and Hardware: results don't match. Any clue?

[Dave N6NZ]

did you double check your clock fuses? Perhaps the processor is not 
running at the frequency that you expect.

-dave

Leonardo B. Oliveira wrote:
> Hello everyone,
>
> I've measured running time for a program in AVR Studio and also in MICAz 
> sensor node.
> MICAz is featured w/ the ATmega128 microcontroler.  However, the results 
> I've got don't match. In reality, the results in the simulator were much 
> faster. I know that when loading software on nodes other software is 
> also loaded ( e.g. TinyOS). But, at least, they are not supposed to 
> interfere that much in the performance. Besides, the results I've got in 
> the simulator are twice as fast.
>
> So my questions are
> 1) Is AVR Studio an accurate simulator?
> 2) I also have the STK300 AVR JTAG ICE. If I run the same program using  
> both the board and the AVR Studio (by means of the JTAG), will the clock 
> cycles exhibit in the simulator be taken from the real board? Or will 
> they be the same of running the simulator alone?
>
> Anyway, I'm newbie concerning AVR platforms and I'd like to know how 
> performance numbers are usually measured in those devices. Any help 
> would be much appreciated.
>
> Thanks in advance.
>
> --
> Cheers,
>
>   Leonardo
>
> Alice:..wondering u could help me find my way
> Cat:It depends on where u want to get to
> Alice: It really doesn't matter, as long as...
> Cat: So it really doesn't matter which way u go
>
>
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