code: def tile(cls, op):
      out_chunks = []
      for c in op.input.chunks:
          chunk_op = op.copy().reset_key()
          out_chunk = chunk_op.new_chunk([c], **c.params)
          out_chunks.append(out_chunk)
  
      new_op = op.copy().reset_key()
      out = op.outputs[0]
      return new_op.new_tensors(
          op.inputs,
          nsplits=op.input.nsplits,
          chunks=out_chunks,
          **out.params,
      )
  
file_path: mars/mars/tensor/base/core.py
imports: from ...serialization.serializables import KeyField
  from ..operands import TensorOperand, TensorOperandMixin
label_desc: Use image node_id 4 for calling the TensorDeviceConversionBase obj's underlying member method code with example usage: obj.tile(cls, op) and returns: new_op