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Quantitative Finance · Glosario

¿Qué es Roofline model?

Definition 14.4 Research, Data and Risk Platforms · Capítulo 14 — Accelerators for Quantitative Work

The roofline model (Williams, Waterman and Patterson, 2009) bounds the arithmetic rate a kernel of intensity II can attain on a machine of peak rate PP and memory bandwidth BB by min⁡(P, IB)\min(P,\ I B). Plotted on logarithmic axes it is a slanted line (bandwidth) meeting a flat one (peak) at the ridge point I∗=P/BI^* = P/B.

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