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HPL-on-Ampere-Altra reviews and mentions
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Everything I've learned building the fastest Arm desktop
Caveat: I consider myself a noob at benchmarking, after spending probably 1,000 hours on it over the years.
The CPU benchmark used HPL linpack following a standard-ish Top500-style benchmark, mostly because I think it's fun to see how various single CPU systems compare to historic 'supercomputers' on the official lists.
There are different ways to calculate (and benchmark) flops, the way I'm doing it is with this open source project: https://github.com/geerlingguy/top500-benchmark — which can use OpenBLAS, Blis, or ATLAS, and I've tried all three un-tuned.
I also worked with some Ampere engineers to run their optimized version for Ampere Altra Max: https://github.com/AmpereComputing/HPL-on-Ampere-Altra
On their own server systems with 8 channels of memory they topped out around 1.6 Tflops. There are other tests you can run and get more or less Tflops, but I based my own results on the top500 test.
See more discussion about the results and testing in the following links:
https://github.com/geerlingguy/top500-benchmark/issues/19
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AmpereComputing/HPL-on-Ampere-Altra is an open source project licensed under Apache License 2.0 which is an OSI approved license.
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