Re: [GridSim-users] how to exchange CPU's MIPS into ClockSpeed(MHz)

[ye h. <hua...@gm...>]

Hi, Rajiv:
Thanks for your information.
Yeap, as you said, it seems to be pretty hard to achieve a directly  
map from MIPS to clockspeed. I am not intending to achieve an accurate  
exchange formulation(if exists), just trying to find/implement a  
simple (rough) exchange procedure.

Thanks again!
ye

On 18 Dec, 2008, at 2:31 AM, Rajiv Ranjan wrote:

>
>
> On Tue, Dec 16, 2008 at 6:29 AM, ye <hua...@gm...> wrote:
> Hi, Dear all:
> I am working on the map from simulated grid by GridSim into real grid.
> Considering the mechanism of describng CPU(ProcessElement)  
> capability in GridSim is MIPS, I am wondering is there any  
> exchanging method from MIPS to ClockSpeed(MHz), which is being used  
> by real world, e.g. JSDL.
>
>        The conversion between MIPS and Mhz is bit complex. It is  
> function of processor addressing bits i.e. 32 bit or 64 bit, which  
> basically means the clock speed do not directly corresponds to the  
> processing speed of  a processor. There are other factors that  
> affects it such as adressing bits, cache, instruction piplining  
> capability, memory. There are several benchmarks for this.
>
>        http://www.futuretech.blinkenlights.nl/perf.html
>
> I suggest you to use MIPS rating as the workload in GridSim, Gridlet  
> is expressed in Million Instructions (MIs) so it is straightforward  
> to use MIPS rating of processors.
>
> --Rajiv
>
>
> Thanks a lot!
>
> regards
> ye
>
>
>
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