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arXiv 1810.03488cs.ITcs.DCcs.LGcs.PFmath.IT
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A Droplet Approach Based on Raptor Codes for Distributed Computing With Straggling Servers

Simula UiB;Chalmers University of Technology(查尔姆斯理工大学);Institute of Communications and Navigation of DLR (German Aerospace Center)(德国航空航天中心通信与导航研究所)

Albin Severinson, Alexandre Graell i Amat, Eirik Rosnes, Francisco Lazaro, Gianluigi Liva

英文摘要:

We propose a coded distributed computing scheme based on Raptor codes to address the straggler problem. In particular, we consider a scheme where each server computes intermediate values, referred to as droplets, that are either stored locally or sent over the network. Once enough droplets are collected, the computation can be completed. Compared to previous schemes in the literature, our proposed scheme achieves lower computational delay when the decoding time is taken into account.

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