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分布式训练期间ps的cpu持续增长,训练效率下降问题 #1005

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@Christian9971

Description

训练期间ps的cpu使用率变化情况

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训练期间chief的cpu使用率变化情况(worker类似)

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训练期间每秒训练批次变化情况

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tf1.15版本,使用1chief 1ps 4worker进行分布式训练,训练期间ps的cpu持续增长,chief和worker的cpu后续有降低的情况,每秒训练批次也变少了,这是因为什么原因?

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