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Knut Erik T. The updated plot will now be found there as I will eventually not be able to edit this post. But please continue to contribute further benchmarks in this thread! I will try to keep this updated as more results are posted. Thank you for all the contributions! These are based on the motorBike benchmark, but I modified it to have more grid cells, run fewer iterations and to use scotch decomposition.

You can find the full setup in the attached tar. If you want to test on your hardware, you only need to run the run. It would be interesting if more people could contribute to generate a modest database of benchmarks here.

The below table shows runtime in seconds. There is also a graph which shows the speedup. Some observations, most relatively obvious : There is an obvious correlation between speedup and number of memory controllers available.

The old octocore E7 machine is very slow on single-core but shows great speedup. A fast CPU helps for single-core simulations. The two processors with 3. Of course, this assumes you only have Intel available, if not AMD Epyc seems like a better choice based on the other threads in this forum. JBeilkewyldckatBlanco and 27 others like this.

Last edited by eric; February 15, at February 7, Edit: now with modified controldict to get proper results. Tobiarvindpjvirengos and 1 others like this. Last edited by flotus1; February 8, at Thanks for running this, flotus. The error happens at the very end of the simulation so it shouldn't affect the timings by open hardware bench record. If you still want to fix it, see below. Impressive performance, it scales a open hardware bench record better than the Intel machines.

Would be nice to also have a dual socket Gold machine to compare against. Open hardware bench record error is happening when trying to calculate streamlines at the end of the simulation.

Looks like this is due to version differences, I see you are using the v version while I use the 5. The easiest way to fix this is to disable the streamline calculation. Joern Beilke. Originally Posted by flotus1. That benchmark script doesn't seem to run properly on my machine dual AMD Epyc I already get a "core dumped" message during the first serial run of simplefoam, then it halts while executing on 16 cores.

Attachment Thanks for your input, I will run the case again tonight and open hardware bench record the results, maybe throw in some better core-binding options. February 9, Join Date: May Since this is present in this thread, perhaps you could also compile and maintain a plot in the first post if the thread continues to grow that is?

I guess the metric is the lowest possible solution time on a given hardware. Possibly normalized against some system of choice. I'll join in with X, X and k soon, so you get some comparison for lower budget systems. The problem with that is that you can no longer edit older posts after a few weeks.

Maintaining a thread like this becomes impossible. This restriction kept me from starting one or two related threads in the past. February 10, That's open hardware bench record. A thread like this has definitely the possibility to be "sticky".

Join Date: Jan Reason: Added meshing data. Bruno Santos. Greetings to all! Last edited by wyldckat; February 13, at Reason: see "edit:". That is really interesting. Your system is overclocked on all cores? Perhaps you have some other processes running that open hardware bench record with the simulation so some extent? Finally I do not understand why your system is so slow on 1 core, compared to the K, which runs 4. They open hardware bench record be quite similar.

February 13, I have made a new plot summarizing all the results, and asked Open hardware bench record to sticky the post so that I can keep updating it. Now I feel kind open hardware bench record sorry for adding Xeon W and messing up the scaling in the diagram But seriously, I think the inverse iterations per second would be a better metric to compare in a diagram.

Otherwise the huge differences in performance at the top end become indistinguishable. On a side note: It would be helpful if new contributions gave more information about the actual setup. Software versions, memory configuration February 14, Thank you for starting this thread. I got my hands on a couple of Epyc processors this week, so figured I'd do the same tests on it for open hardware bench record. Will post results with a dual Epyc when our server arrives in a couple of weeks and a 2 x dual Epyc when I've had the time to set them up with infiniband.

Last edited by havref; February 14, at Reason: Open hardware bench record speeedup. Nice, havref. Looking forward to seeing the results as well. February 16, February 18, BB code is On. Smilies are On. Trackbacks are Off. Pingbacks are On. Refbacks are On. Forum Rules. All times are GMT The time now is Add Thread to del. Recent Entries. Best Entries. Best Blogs. Search Blogs. OpenFOAM benchmarks on various hardware. User Name. Remember Me.

Members List. Mark Forums Read. Page 1 of Last ». Thread Tools. February 5, Code: Gold 8x E 2x E v2 2x E v3 2x E v4 1 2 4 6 8 12 16 85 20 98 92 76 24 77 71 36 64 65 Attached Images. Quote: Originally Posted by flotus1 Bummer The first two configurationsX are run in open hardware bench record Virtual machine Linux on top of Linux.

Open Hardware Monitor. A small benchmark can be performed using the XS Bench button and there are alarms that can be set for CPU and GPU Open Hardware Repository Cern Ubuntu temperatures. A reading for AMD or Nvidia cards can be turned on from the settings window as can temperatures . From a quick overview unfolding into the depth of all hardware components. Always up-to date supporting latest technologies and standards. Read more about HWiNFO. Real-Time System Monitoring. Accurate monitoring of all system components for actual status and failure prediction. Customizable interface with variety of options. Jul 20,  · Open Benchtable Debug Card Now Available; Chinese New Year from Feb 3 to Feb 18; BC1T Open Benchtable Pre-Order Now Available; Introducing BC1T Open Benchtable, A New Member of the BC1 Open Benchtable Family; Mid-Autumn Festival from Oct 1 .

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