[EnergyPlus_Support] Re: E+ performance on Windows 7 64 bit much worse than in XP 32 bit

[Mário <mneves32@xxxxxxxxx>]

Hello,

Are your machines labtops?



--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "hnoboam" <homero.noboa@...> wrote:
>
> I am running batches of 13 simulations and I noticed a serious degradation of EnergyPlus performance under Windows 7. The two machines used are:
> Machine 1: Intel Core Duo T9600 2.8GHz, 4.00 GB ram, Windows 7 64 bit
> 
> Machine 2: Intel Core i5-250M   2.5GHz, 2.98 GB ram, Windows XP 32 bit
> 
> Ran the same batch of 13 simulations. From the eio files:
> Machine 1: 
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 2, 158, 1
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Program Control:Threads/Parallel Sims, Yes,2, 1, 1, 1, 1, 158, 2
> Elapsed time: 152 minutes
> 
> Machine 2: From the eio files:
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 4, 158, 1
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
>  Program Control:Threads/Parallel Sims, Yes,4, 1, 1, 1, 1, 158, 2
> Elapsed time: 73  minutes.
> 
> What is the meaning of the fours versus the twos in the first column?
> Anything I could do to improve EnergyPlus performance under Win7?
> 
> Thanks,
> Homero.
>




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