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nnWeb: Towards efficient WebGPU-based DNN inference via automatic collaborative offloading

delete2025-07-01
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PRE
AI
J
Jiawei Liu
B
Bing Dong
王维龙 (Weilong Wang)
M
Muhan Yuan
B
Borui Li
Z
Zhao-Dong Xu
S
Shuai Wang
DOI:10.1016/j.comnet.2025.111489delete
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摘要

摘要

En 中文
在浏览器中的神经网络推理为跨平台AI应用带来了前景,但在资源受限设备上面临着严重的延迟和能耗挑战。本文提出nnWeb,一个基于WebGPU的浏览器内神经网络推理框架,具有优化的延迟和能耗效率。nnWeb动态分割神经网络,并促进客户端浏览器与服务器之间的协同卸载。nnWeb运行分为两个阶段:(1)基于层隔离的配置文件分析,用于预测异构硬件上每层的执行延迟和能耗;以及(2)基于异步执行的DNN分割,持续监控网络带宽和设备负载,利用WebGPU的原生流水线并行ism选择最佳分割点,通过运行时求解闭合式优化来最小化总延迟或能耗。在多种浏览器内AI模型和网络条件下的广泛评估表明,与静态分割相比,nnWeb实现了30%至52%的总推理延迟平均减少。此外,与独立的浏览器推理相比,nnWeb实现了11.3%至44.0%的能耗节省。

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Computer Networks
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