Systems and methods for communication efficient distributed mean estimation
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United States of America Patent
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Dec 7, 2021
Grant Date -
Mar 29, 2018
app pub date -
Sep 19, 2017
filing date -
Sep 26, 2016
priority date (Note) -
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Abstract
The present disclosure provides systems and methods for communication efficient distributed mean estimation. In particular, aspects of the present disclosure can be implemented by a system in which a number of vectors reside on a number of different clients, and a centralized server device seeks to estimate the mean of such vectors. According to one aspect of the present disclosure, a client computing device can rotate a vector by a random rotation matrix and then subsequently perform probabilistic quantization on the rotated vector. According to another aspect of the present disclosure, subsequent to quantization but prior to transmission, the client computing can encode the quantized vector according to a variable length coding scheme (e.g., by computing variable length codes).
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