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[Anton Gladky <question186108@xxxxxxxxxxxxxxxxxxxxx>]

Question #186108 on Yade changed:
https://answers.launchpad.net/yade/+question/186108

Anton Gladky posted a new comment:
Hi Liqing,

2012/2/2 Liqing Jiao <question186108@xxxxxxxxxxxxxxxxxxxxx>:
> ....
> May I know the relationship between the number of the thread and the the
> number of cores. For example, my computer has 32 CPUs, need I set the
> thread number to be 32? In fact, I set it, but all CPUs are almost
> occupied 50%. The effectiveness is just a little improved compared to
> the 4 cores desktop. And the effectiveness of 32 CPUs is 1.5 times that
> of the 4 CPUs. How can I improve it much more?
>...

How many bodies are participating in your simulation? If it is less
than, for example, 10 000, it will not be effective to use all 32
cores.

What yade-version do you use? The yade-daily version after rev.3000
has a better performance especially on many-thread simulations.

Anton.

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