{"metric":"CEI","name":"Compute Energy Intensity","version":"1.0","formula":"CEI = Total FLOPs / Total Joules","unit":"FLOPs/J","sampling_method":"1Hz via nvidia-smi power readings","workload_classes":["FP32 GEMM","FP16 GEMM","Tensor Core"],"normalization":"Exclude idle baseline, include cooldown energy","reference_value":{"gpu":"A100 SXM","precision":"FP32","duration_sec":900,"cei":5680000000},"thresholds":{"excellent":">10B","good":"5-10B","moderate":"1-5B","poor":"<1B"},"github":"https://github.com/mikebains41-debug/ai-gpu-energy-optimizer-"}