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Forum: Hardware

March 22, 2018, 15:41

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,819

Posted By roenby

roenby@aref:~$ lscpu Architecture: ...

roenby@aref:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 16
On-line CPU(s) list: 0-15
Thread(s) per...

Forum: Hardware

March 22, 2018, 14:26

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,819

Posted By roenby

I now disabled multithreading in the BIOS and...

I now disabled multithreading in the BIOS and reran the benchmark:

# cores Wall time (s):
------------------------
1 1008.95
2 582.33
4 273.67
6 174.61
8 126.35
12 123.35

Forum: Hardware

March 22, 2018, 10:14

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,819

Posted By roenby

But when flotus1 is running on 16 of his 32...

But when flotus1 is running on 16 of his 32 cores, I thought he was effectively using just one of his CPU's which in my understanding only communicates with the 8 RAM slots associated with that CPU....

Forum: Hardware

March 22, 2018, 10:01

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,819

Posted By roenby

Epyc 7351 benchmark results

Just tried this benchmark on my newly built Epyc 7351 based computer.

# cores Wall time (s):
------------------------
1 1010.86
2 584.25
4 248.39
6 176.9
8 134.49
12 114

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