Results Analysis: Modeling Non-Uniform Memory Access on Large Compute Nodes with the Cache-Aware Roofline Model

Brice Goglin, Emmanuel Jeannot, Aleksandar Ilic, Leonel Sousa & Nicolas Denoyelle
The Cache-Aware Roofline Model (CARM) is an insightful, yet simple model designed to address this issue. It provides feedback on potential applications bottlenecks and shows how far is the application performance from the achievable hardware upper-bounds. However, it does not encompass NUMA systems and next generation processors with heterogeneous memories. Yet, some application bottlenecks belong to those memory subsystems, and would benefit from the CARM insights. In this paper, we fill the missing requirements to...
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