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SC20 Virtual Platform
Correctness-Preserving Compression of Datasets and Neural Network Models
Event Type
Workshop
Tags
Correctness
Data Analytics, Compression, and Management
Machine Learning, Deep Learning and Artificial Intelligence
Registration Categories
W
TimeWednesday, 11 November 20203:30pm - 3:55pm EST
LocationTrack 10
DescriptionNeural networks deployed on edge devices must be efficient both in terms of their model size and the amount of data movement they cause when classifying inputs. These efficiencies are typically achieved through model compression: pruning a fully trained network model by zeroing out the weights. Given the overall challenge of neural network correctness, we argue that focusing on correctness preservation may allow the community to make measurable progress. We present a state-of-the-art model compression framework called Condensa around which we have launched correctness preservation studies. After presenting Condensa, we describe our initial efforts at understanding the effect of model compression in semantic terms, going beyond the top n% accuracy on which Condensa is currently based. We also take up the relatively unexplored direction of data compression which may help reduce data movement. We report preliminary results of learning from decompressed data to understand the effects of compression artifacts. Learning without decompressing input data also holds promise in terms of boosting efficiency, and we also report preliminary results in this regard. Our experiments centered around a state-of-the-art model compression framework called Condensa and two data compression algorithms, namely JPEG and ZFP, demonstrate the potential for employing model and dataset compression without adversely affecting correctness.
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