[INFO] [RootSolverFactory$] Creating org.apache.mahout.viennacl.opencl.GPUMMul solver
[INFO] [RootSolverFactory$] Unable to create class GPUMMul: attempting OpenMP version
[INFO] [RootSolverFactory$] Creating org.apache.mahout.viennacl.openmp.OMPMMul solver
[INFO] [RootSolverFactory$] org.apache.mahout.viennacl.openmp.OMPMMul$
[INFO] [RootSolverFactory$] Unable to create class OMPMMul: falling back to java version
There is my GPU information:
nvidia-smi
Sat Jun 1 15:37:51 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 418.67 Driver Version: 418.67 CUDA Version: 10.1 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Tesla K80 On | 00000000:00:04.0 Off | 0 |
| N/A 31C P8 24W / 149W | 0MiB / 11441MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+
It seems that UR cannot detect the GPU.
There is my GPU information: