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Auteurs principaux: Fang, Rui, Chen, Hsi-Wen, Chen, Ming-Syan
Format: Preprint
Publié: 2026
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Accès en ligne:https://arxiv.org/abs/2605.07317
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author Fang, Rui
Chen, Hsi-Wen
Chen, Ming-Syan
author_facet Fang, Rui
Chen, Hsi-Wen
Chen, Ming-Syan
contents Vision Transformers (ViTs) achieve strong performance across vision tasks, yet their deployment with low-precision early exiting remains fragile. Existing quantization methods assume static full-depth execution, making them unstable when exit decisions are perturbed by quantization noise, which can amplify errors along dynamic inference paths. In this paper, we introduce Amortized-Precision Quantization (APQ), a utilization-aware formulation that accounts for layer-wise stochastic exposure to quantization noise and reveals depth-precision trade-offs. Building on APQ, we propose Mutual Adaptive Quantization with Early Exiting (MAQEE), a bi-level framework that jointly optimizes exit thresholds and bit-widths under explicit risk control to improve inference stability. MAQEE establishes a superior Pareto frontier in the accuracy-efficiency trade-off, reducing BOPs by up to 95% while maintaining accuracy and outperforming strong baselines by up to 20\% across classification, detection, and segmentation tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2605_07317
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Amortized-Precision Quantization for Early-Exit Vision Transformers
Fang, Rui
Chen, Hsi-Wen
Chen, Ming-Syan
Computer Vision and Pattern Recognition
Artificial Intelligence
Vision Transformers (ViTs) achieve strong performance across vision tasks, yet their deployment with low-precision early exiting remains fragile. Existing quantization methods assume static full-depth execution, making them unstable when exit decisions are perturbed by quantization noise, which can amplify errors along dynamic inference paths. In this paper, we introduce Amortized-Precision Quantization (APQ), a utilization-aware formulation that accounts for layer-wise stochastic exposure to quantization noise and reveals depth-precision trade-offs. Building on APQ, we propose Mutual Adaptive Quantization with Early Exiting (MAQEE), a bi-level framework that jointly optimizes exit thresholds and bit-widths under explicit risk control to improve inference stability. MAQEE establishes a superior Pareto frontier in the accuracy-efficiency trade-off, reducing BOPs by up to 95% while maintaining accuracy and outperforming strong baselines by up to 20\% across classification, detection, and segmentation tasks.
title Amortized-Precision Quantization for Early-Exit Vision Transformers
topic Computer Vision and Pattern Recognition
Artificial Intelligence
url https://arxiv.org/abs/2605.07317