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arXiv · 2510.18300

A Distributed Framework for Causal Modeling of Performance Variability in GPU Traces

Ankur Lahiry·Ayush Pokharel·Banooqa Banday·Seth Ockerman·Amal Gueroudji·Mohammad Zaeed·Tanzima Z. Islam·Line Pouchard
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Abstract

Large-scale GPU traces play a critical role in identifying performance bottlenecks within heterogeneous High-Performance Computing (HPC) architectures. However, the sheer volume and complexity of a single trace of data make performance analysis both computationally expensive and time-consuming. To address this challenge, we present an end-to-end parallel performance analysis framework designed to handle multiple large-scale GPU traces efficiently. Our proposed framework partitions and processes trace data concurrently and employs causal graph methods and parallel coordinating chart to expose performance variability and dependencies across execution flows. Experimental results demonstrate a 67% improvement in terms of scalability, highlighting the effectiveness of our pipeline for analyzing multiple traces independently.

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Ankur Lahiry, Ayush Pokharel, Banooqa Banday, Seth Ockerman, Amal Gueroudji, Mohammad Zaeed, Tanzima Z. Islam, Line Pouchard. 2025-10-21. A Distributed Framework for Causal Modeling of Performance Variability in GPU Traces. https://arxiv.org/abs/2510.18300

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