eclrbohnhoff

``` [09:06:21] C:\eclwork\Source\3rdParty\xgboost\xgboost\src\common\common.h:45: C:\eclwork\Source\3rdParty\xgboost\xgboost\src\common\host_device_vector.cu: 264: cudaErrorInitializationError: initialization error ``` It looks like that calling XGBoosterPredictFromDMatrix() is what is triggering this condition. The worker thread is a normal std::thread and join()...