Jeff Geerling

@3dclayman-beep - I have not run that, but I am testing HPL now on my node. I will also check it on a cluster. First, confirming @NextDesign1's initial test, seeing...

My initial un-optimized result: 146.43 Gflops at 153W for **0.957 Gflops/W** ``` ================================================================================ HPLinpack 2.3 -- High-Performance Linpack benchmark -- December 2, 2018 Written by A. Petitet and R. Clint...

And switching to `blis_configure_options: cortexa57` and re-running: 675.39 Gflops at 155W for **4.36 Gflops/W** ``` ================================================================================ HPLinpack 2.3 -- High-Performance Linpack benchmark -- December 2, 2018 Written by A. Petitet...

## Cluster results (2x GB10 with 200 Gbps link) First attempt, 517.03 Gflops at 228W (for **2.27 Gflops/W**) with both connected via 200 Gbps Ethernet... but only getting like 30...

Thanks for retesting, and the notes! It seems like the Dell unit has slightly better thermal performance than the Spark, for whatever reasons (I'm presuming the more open front and...

I'm getting back to the cluster testing today, hope to get a few runs in. A couple optimizations I'll try: 1. Use the 200 Gbps network connection (by updating `cluster-hosts`...

And using combinations like 4/10 or 5/8, it seems like the cores spend some time waiting, far from 100% utilization. Something is holding back performance. Maybe memory access across nodes?...

That was it... 1,333.2 Gflops at 320W, for **4.17 Gflops/W** ``` ================================================================================ HPLinpack 2.3 -- High-Performance Linpack benchmark -- December 2, 2018 Written by A. Petitet and R. Clint Whaley,...

Closing this issue as I think I've messed with enough knobs to eke out enough performance here. Interestingly, it compares *very* favorably to the Framework Desktop board I tested with...

Still running into this, unfortunately haven't had time to go deeper and bisect anything. @wowi42 - I am using the callback so I can get output into the console as...