Handcrafted Pandora LED console monitors a 512-GPU training cluster
tarantulae · x · 2026-11-04
Christian S. Perone shows off Pandora, a handcrafted retro-style desktop console he built to monitor 512-GPU (64 nodes × 8 GPUs) training runs: eight LED VU-style meters for per-GPU utilization, a dot-matrix node display, knobs for node selection and view modes, plus temp/loss/link/sync indicators and an ABORT button. "I don't often train on 512 GPUs, but when I do, I use a lot of LEDs."
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