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Forum: Hardware

April 4, 2020, 13:40

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,708

Posted By ma-tri-x

diagram

Hi everyone!

CPUs behave weirdly. Here's an example where an 8core i7-9900 seems to beat a 16core ryzen when using 30 threads. What's wrong here?

best,
M...

Forum: Hardware

April 2, 2020, 19:06

Replies: 778

Sticky: OpenFOAM benchmarks on various hardware

Views: 199,708

Posted By ma-tri-x

ryzen 9 3950x

Hi!

Ryzen 9 3950x, 16(32) x 4.2GHz, 2x16GB DDR4-3200, ubuntu 18.04 LTS, m2 ssd with min 1900MB/s direct read/write

costs ~ 1800€

Memory bandwidth seems saturated after ~ 8 threads

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