DOC: Add warning about fork + openmp

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Skipper Seabold 2015-05-08 14:34:58 -05:00
parent 99c2df9913
commit fa8c6e2f0b

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@ -7,6 +7,8 @@ Python
* To make the python module, type ```./build.sh``` in the root directory of project
* Install with `python setup.py install` from this directory.
* Refer also to the walk through example in [demo folder](../demo/guide-python)
* **NOTE**: if you want to run XGBoost in parallel using the fork backend for joblib/multiprocessing, you must build XGBoost without support for OpenMP by `make no_omp=1`. Otherwise, use the forkserver (in Python 3.4) or spawn backend. See the sklearn_examples.py demo.
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