PROPERTIES:
  CUDA/C version
  Call cudaGetDeviceCount to count the CUDA devices.
  Call cudaGetDeviceProperties to query the properties
  of each CUDA device.

  Number of CUDA devices = 2

  Properties for CUDA device 0
  Name: Tesla K80
  Compute capability: 3.7
  Clock rate: 823500
  Device copy overlap: Enabled
  Kernel execution timeout: Disabled
  Total global memory: 11995578368
  Total constant memory: 65536
  Max mem pitch: 2147483647
  Texture alignment: 512
  Multiprocessor count: 13
  Shared memory per mp: 49152
  Registers per mp: 65536
  Threads in warp: 32
  Max threads per block: 1024
  Max thread dimensions: (1024, 1024, 64 )
  Max grid dimensions: (2147483647, 65535, 65535 )

  Properties for CUDA device 1
  Name: Tesla K80
  Compute capability: 3.7
  Clock rate: 823500
  Device copy overlap: Enabled
  Kernel execution timeout: Enabled
  Total global memory: 11995578368
  Total constant memory: 65536
  Max mem pitch: 2147483647
  Texture alignment: 512
  Multiprocessor count: 13
  Shared memory per mp: 49152
  Registers per mp: 65536
  Threads in warp: 32
  Max threads per block: 1024
  Max thread dimensions: (1024, 1024, 64 )
  Max grid dimensions: (2147483647, 65535, 65535 )