It's cycle approximate 

On 24 Nov 2012, at 09:32, Frank Yang wrote:

> Hi All,
> 
> I am trying to dig into Gem5 but I found it's fairly complicated. Can someone 
> give me any hint on how gem5 bring the concept of timing into those CPU 
> models? I can understand that each instruction is divided into several 
> stages, but how is the magic gem5 does to fetch the instruction in each 
> cycle? And how to pass those intermediate value of each instruction generated 
> to the next cycle? I am still in the world of Verilog/VHDL, so it's hard for 
> me to figure this out in C++. Thanks for any of your input.
> 
> -Yang
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