Tuning at scale: LoRA and HPC scheduling
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Gang and topology-aware schedulingWhy training jobs need the scheduler to learn HPC habits
Framing

All or nothing

Distributed training does not partially work. If you ask for 64 GPUs and the scheduler gives you 60 immediately and 4 later, your job sits idle wasting 60 GPUs. Gang scheduling enforces 'all together, or not at all'.