[Colloquium] Faradawn Yang MS Presentation - May 1, 2024
Jessica Garza
jdgarza at uchicago.edu
Fri Apr 19 10:17:47 CDT 2024
This is an announcement of Faradawn Yang's MS Presentation
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Candidate: Faradawn Yang
Date: Wednesday, May 1, 2024
Time: 12 pm CT
Location: JCL 346
Title: Leveraging AI for Faster Storage Access: a Graph-Neural-Network-Based Prefetcher
Abstract: Despite the widespread adoption of SSDs in cloud environments, I/O access (disk reads and writes) remains a significant performance bottleneck. To mitigate access latency, various prefetching techniques have been developed. However, as servers increasingly host multi-user workloads, the efficacy of traditional prefetchers diminishes. Fortunately, with the ascendance of artificial intelligence, there is an escalating interest in utilizing machine learning methods to predict access patterns more accurately. Nonetheless, these methods face challenges: large model sizes, high inference latency, and unstable hit rates. In this paper, we introduce “Spectral Prefetcher”, a spectral graph neural network for rapid and precise predictions. This approach 1) reduces training and inference latency by 79.9%, 2) decreases memory usage by 33.3%, and 3) achieves a state-of-the-art hit rate, surpassing the baseline by 21.8%.
Advisors: Haryadi Gunawi
Committee Members: Haryadi Gunawi, Suhail Rehman, and Cesar Stuardo
Draft:

Jessica Garza
Assistant Director of Undergraduate Studies
Department of Computer Science
The University of Chicago
John Crerar Library 374
Office: (773) 702-2336
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