Function KernelsRegisteredForOp

tensorflow/core/framework/op_kernel.cc:1455–1472

}

string KernelsRegisteredForOp(StringPiece op_name) {
  KernelList kernel_list = GetRegisteredKernelsForOp(op_name);
  if (kernel_list.kernel_size() == 0) return "  <no registered kernels>\n";
  string ret;
  for (const auto& kernel_def : kernel_list.kernel()) {
    strings::StrAppend(&ret, "  device='", kernel_def.device_type(), "'");
    if (!kernel_def.label().empty()) {
      strings::StrAppend(&ret, "; label='", kernel_def.label(), "'");
    }
    for (int i = 0; i < kernel_def.constraint_size(); ++i) {
      strings::StrAppend(
          &ret, "; ", kernel_def.constraint(i).name(), " in ",
          SummarizeAttrValue(kernel_def.constraint(i).allowed_values()));
    }
    strings::StrAppend(&ret, "\n");
  }
  return ret;
}

std::unique_ptr<OpKernel> CreateOpKernel(
    DeviceType device_type, DeviceBase* device, Allocator* allocator,