Utilization, Efficiency, and Cushion

Efficiency

Efficiency asks how actual output compares with effective capacity.

highlighted = computed this step

Actual Over Effective

Efficiency compares actual output with effective capacity.

efficiency=actualeffective\text{efficiency}=\frac{\text{actual}}{\text{effective}}
Capacity metricsThe table shows the exact ratios recomputed from the snapshot.capacity metricsvalueutilization2/3efficiency4/5capacity cushion1/5design gap20

Compute Efficiency

The exact efficiency is 4/5.

80100=4/5\frac{80}{100}=4/5
Capacity snapshotBars keep the design, effective, actual, and what-if values visible.capacity metricsutilization 2/3; efficiency 4/5; cushion 1/5measurevaluemeaningdesign capacity120maximum snapshot rateeffective capacity100usable snapshot rateactual output80observed outputdesign gap20design minus effectivecapacity cushion1/5unused effective sharedesigndesign 120effectiveeffective 100actualactual 80what-if actualwhat-if actual 90what-if utilization 3/4; efficiency 9/10; cushion 1/10