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tf1.4(pb) embedding operator is slow #1013

@walegahaha

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@walegahaha

Hi,

If I use tf1.4 model with pb format, it takes almost 200ms in DeepFM (70 features, 3 dim each embedding lookup vector). After debug, we catch the problems in embedding operator

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          tf1.4(pb) embedding operator is slow · Issue #1013 · deeplearning4j/deeplearning4j-examples