"gpu_thread_num" : 2,
"gpu_threads_conf" : [
  // gpu: gfx901 memory:3920
  // compute units: 56
  { "index" : 0, "intensity" : 1932, "worksize" : 8, "affine_to_cpu" : false, "strided_index" : 1, "mem_chunk" : 2, "comp_mode" : false
  },
  { "index" : 0, "intensity" : 1932, "worksize" : 8, "affine_to_cpu" : false, "strided_index" : 1, "mem_chunk" : 2, "comp_mode" : false
  },

],