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Summary of Packd: Pattern-clustered Knowledge Distillation For Compressing Memory Access Prediction Models, by Neelesh Gupta et al.


PaCKD: Pattern-Clustered Knowledge Distillation for Compressing Memory Access Prediction Models

by Neelesh Gupta, Pengmiao Zhang, Rajgopal Kannan, Viktor Prasanna

First submitted to arxiv on: 21 Feb 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Hardware Architecture (cs.AR)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The proposed PaCKD approach compresses Memory Access Prediction (MAP) models while maintaining prediction performance, addressing the limitations of existing DNN-based MAP models. By clustering memory access sequences into distinct partitions and training pattern-specific teacher models for each partition, the approach achieves a 552x model size compression with an F1-score of 0.4538 on LSTM, MLP-Mixer, and ResNet models in graph applications.
Low GrooveSquid.com (original content) Low Difficulty Summary
PaCKD is a new way to make computer memory work better by using patterns in data to predict what’s needed next. This helps reduce delays in accessing memory, which is important for many tasks like image classification. The approach uses three steps: grouping similar patterns together, training special teacher models for each group, and then training a smaller student model that can do the same job as well as the teachers. Tests show that PaCKD works better than other methods, with a significant reduction in the number of calculations needed while still being accurate.

Keywords

* Artificial intelligence  * Clustering  * F1 score  * Image classification  * Lstm  * Resnet  * Student model