ocl: improved tuning script #1412

Job	Run time
build-on-cuda (OPENMP=ON)	12m 9s
build-on-opencl (OPENMP=ON, SMM=libxsmm)	14m 0s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, openmpi)	9m 40s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, mpich)	6m 29s
build-on-rocm (OPENMP=ON)	14m 41s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, openmpi)	8m 49s
pre-commit	1m 26s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, mpich)	6m 28s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, openmpi)	5m 18s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, mpich)	5m 18s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, openmpi)	4m 31s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, mpich)	5m 15s
build-and-test (MPI=OFF, OPENMP=ON, SMM=blas, openmpi)	9m 11s
build-and-test (MPI=OFF, OPENMP=ON, SMM=libxsmm, openmpi)	6m 59s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=blas, openmpi)	5m 36s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=libxsmm, openmpi)	5m 11s
Combine & check coverage.	1m 14s
	2h 2m 15s

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