Tony,
check the nop count. That might be the difference that you are seeing.
-Korey
On Thu, Aug 23, 2012 at 1:24 PM, Anthony Gutierrez <atgut...@umich.edu> wrote:
> Hello,
>
> It seems that the number of committed instructions don't always match up
> with an instruction-based exit event, e.g., when using -I. The CPU's number
> of committedInsts can sometime be a few more or less than this value. I
> think I understand why the number can be more, if an exit event is scheduled
> when commit commits its 1,000th instruction, other events scheduled for the
> same tick can cause more instructions to be committed. Is that correct? But,
> why can the number of committed instructions ever be less than the number
> that triggers an exit event? I added this to the O3 cpu and dumped and reset
> stats after every exit:
>
> //inside of instDone()
> if (!(thread[tid]->numInst % 1000))
> exitSimLoop("1000 insts reached", 0);
>
> The number of committedInsts dumped after each exit varies but it usually
> within a few % of 1,000. However, it is rarely ever 1,000.
>
> Thanks,
> Tony
>
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--
- Korey
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