code: def emit(self, op_name, op_def, dtype_a, dtype_b, dtype_c, ld):
      src = self.template.render(
          OperatorName=op_name,
          OperatorDef=op_def,
          DTypeA=dtype_a,
          DTypeB=dtype_b,
          DTypeC=dtype_c,
          LeadingDim=ld,
      )
      return src
  
label_desc: Use image node_id 2 for calling the GemmProfilerEmitter obj's underlying member method code with example usage: obj.emit(op_name, op_def, dtype_a, dtype_b, dtype_c, ld) and returns: src