Experiments

Reproducible experiments validating Joulie’s energy savings across different cluster configurations and scheduling strategies.

• CPU-Only Benchmark: 40-node CPU cluster, 21-29% power savings
• Heterogeneous GPU Benchmark: 41-node mixed GPU cluster (5 families), 20-25% savings
• Homogeneous H100 NVL Benchmark: 41-node identical H100 cluster, 20-25% savings
• Scoring Formula Validation: Energy-aware scheduling formula tuning on 2,500-node cluster, 6.4% IT energy reduction
• Governor Exploration: CPU and GPU governor presets on emulated nodes, energy and time per preset, workload kind and cap, with the assumed parameters swept