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GDB performance measuring


Hi,

I was wondering:

1) how accurate is the powerpc simulation ? ( are the cycles based on
datasheets?)

2) If a certain routine take 1000 cycles, are these clockcycles or
machinecycles ? I'm a bit confused on this. So, for example, I have a 100MHz
ppc CPU, is the time passed for that routine: (1000 / 100e6) seconds?

Thanks in advance,
Jan


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