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Search: Posts Made By: RobertB
Forum: STAR-CCM+ October 22, 2010, 07:59
Replies: 7
Views: 6,562
Posted By RobertB
The basic reply (thanks to adapco/Intel) is ...

The basic reply (thanks to adapco/Intel) is

If you have Xeon processors with hyperthreading you have two options to get the best performance.

1) If you leave hyperthreading on, you need to lock...
Forum: STAR-CCM+ October 13, 2010, 14:24
Replies: 7
Views: 6,562
Posted By RobertB
I'm following this up with adapco and will let...

I'm following this up with adapco and will let you know what comes out.

We had, however, also seen sizeable gains on a previous Opteron based system using STAR-CD, HP-MPI and core locking.

You...
Forum: STAR-CCM+ October 10, 2010, 09:14
Replies: 7
Views: 6,562
Posted By RobertB
I'm afraid I only use Windows for pre processing...

I'm afraid I only use Windows for pre processing so haven't looked into it.

If you use STAR CD 3.26 there is an HPMPI version available if you ask.

Another important thing to do to maximize...
Forum: STAR-CCM+ October 8, 2010, 09:34
Replies: 7
Views: 6,562
Posted By RobertB
Performance Improvements by core locking

HP-MPI used by CCM+ allows you to core lock the threads on a machine. Below is some benchmarking that shows the advantage of doing so.

The cluster has 16 nodes with two quad core Xeons on each...
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