Much Ado about Arm and Benchmarking

It's not always easy. But at least I'm learning! If you want to read more about what happened in my HPL benchmarks on the Radxa Orion O6 and Minisforum MS-R1 with the Cix P1, read the following issues: - https://github.com/geerlingguy/top500-benchmark/issues/54#issuecomment-3518813579 - https://github.com/geerlingguy/top500-benchmark/issues/82#issuecomment-3514084323 And I've since updated my blog post with the new HPL performance and efficiency numbers: https://www.jeffgeerling.com/blog/2025/minisforum-stuffs-entire-arm-homelab-ms-r1 Support me on Patreon: https://www.patreon.com/geerlingguy Sponsor me on GitHub: https://github.com/sponsors/geerlingguy Merch: https://www.redshirtjeff.com 2nd Channel: https://www.youtube.com/@GeerlingEngineering 3rd Channel: https://www.youtube.com/@Level2Jeff Contents: 00:00 - Benchmarking is kind-of hard, actually 01:50 - Methodology and results in the open 04:02 - Big, Medium, Little cores 05:34 - Fixing what's wrong 06:49 - Reproducible benchmarks and power monitoring 09:03 - Arm vs x86 benchmarking 09:50 - Firmware on the O6 11:11 - Annoying case and cooling with a copper shim 13:34 - Lockups and slowing things down 14:28 - What went wrong