ptx-nvidiacl/include/clc/workitem/get_group_id.h


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_CLC_INLINE size_t get_group_id(uint dim) {
  switch (dim) {
  case 0:  return __builtin_ptx_read_ctaid_x();
  case 1:  return __builtin_ptx_read_ctaid_y();
  case 2:  return __builtin_ptx_read_ctaid_z();
  default: return 0;
  }
}