message: rewrite hydrogen removal to be more efficient
  remove 30 cuda version
diff: @@ -4,7 +4,7 @@ endif()
  # Known NVIDIA GPU achitectures Caffe can be compiled for.
  # This list will be used for CUDA_ARCH_NAME = All option
  -set(Caffe_known_gpu_archs "30 35 50 60 61")
  +set(Caffe_known_gpu_archs "35 50 60 61")
  ################################################################################################
  # A function for automatic detection of GPUs installed (if autodetection is enabled)
  @@ -86,7 +86,7 @@ function(caffe_select_nvcc_arch_flags out_variable)
  if(${CUDA_ARCH_NAME} STREQUAL "Fermi")
  set(__cuda_arch_bin "20 21(20)")
  elseif(${CUDA_ARCH_NAME} STREQUAL "Kepler")
  - set(__cuda_arch_bin "30 35")
  + set(__cuda_arch_bin "35")
  elseif(${CUDA_ARCH_NAME} STREQUAL "Maxwell")
  set(__cuda_arch_bin "50")
  elseif(${CUDA_ARCH_NAME} STREQUAL "Pascal")
  