[feature request] Logging level for C++ lib

[ThomasDelteil]

How can I set the logging level of the C++ code lower?
I would like to not see:

src/operator/././../common/utils.h:416: Optimizer with lazy_update = True detected. Be aware that lazy update is different from standard update, and may lead to different empirical results. See https://mxnet.incubator.apache.org/api/python/optimization/optimization.html for more details

[22:47:34] src/nnvm/legacy_json_util.cc:209: Loading symbol saved by previous version v0.8.0. Attempting to upgrade...
[22:47:34] src/nnvm/legacy_json_util.cc:217: Symbol successfully upgraded!
[22:47:37] src/operator/nn/./cudnn/./cudnn_algoreg-inl.h:107: Running performance tests to find the best convolution algorithm, this can take a while... (setting env variable MXNET_CUDNN_AUTOTUNE_DEFAULT to 0 to disable)

[22:46:59] src/io/iter_image_recordio_2.cc:170: ImageRecordIOParser2: ./data/caltech.rec, use 4 threads for decoding..

[Roshrini]

@cjolivier01 Any idea how to set the logging level?
Also could you please add labels-
C++, Question

[nswamy]

Please post your question on https://discuss.mxnet.io/

[ThomasDelteil]

It is actually not possible, please add Feature Request flag

[ddavydenko]

This seems to be related to MXNet backend feature request where there is a need to control logging level of runtime. @nswamy, in an effort to better label issues, could you please update labels on this one: add "Backend" and remove "C++" labels? Thank you!

[sbodenstein]

This issue is also important for us using MXNet in Mathematica. We would like to control the logging, but can't. It would be very nice to expose control of logging via the C API.