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apache / mxnet

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

Home Page:https://mxnet.apache.org

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Hangs during operator tuning & how to disable it

matteosal opened this issue · comments

commented

We have experienced problems with the mxnet library hanging at loading time on some Linux machines, specifically during the operator tuning phase (mxnet::op::OperatorTune). I don't have precise information about where the hang happened exactly and the machine details, but on a CentOS system we could avoid the hang by setting the environment variable MXNET_USE_OPERATOR_TUNING=0 before loading, while on an ARM machine we also had to rebuild the library with the cmake option USE_OPERATOR_TUNING=OFF.

So what's the relationship between the env variable and the build option?