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Author Topic: FDS Parallel  (Read 724 times)

rahuljindal.66

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FDS Parallel
« on: June 19, 2018, 02:51:51 pm »

Dear All,

I am using the system of configuration which has 2 processors each has 6 cores (total 12 cores) and 24 logical processor. (see attached for detailed descriptions of processor). I am trying to run 2 simulations simultaneously, one with 17 mesh and other is 7 mesh and that's how i am trying to utilize my full computer capacity(24 logical processor). but when i start the second simulation, the first one get dam slow and takes 3 times more than what it takes when runs alone on the system.

As per my understanding there should not be significant effect on the first simulation if i am not exceeding the total number of mesh to the number of logical processor available. I am not able to understand the reason of this. I have been using FDS and Pyrosim since long time. but i have never noticed this before.

Can someone help me to figure out the reason and solution of this. This will be great help.

Thanks in Advance
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jharbold

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Re: FDS Parallel
« Reply #1 on: June 29, 2018, 08:33:43 am »

You are going to have better luck researching this in the FDS forum https://groups.google.com/forum/#!forum/fds-smv.  My basic understanding is that you should only set as many meshes as you have REAL cores, as opposed to logical cores (12 meshes).
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