code: def run_moe_res_matmul_reference(residual, coef1, coef2, output):
      return residual * coef1 + output * coef2
  
imports: import pytest
  import torch
  import deepspeed
  from deepspeed.ops.op_builder import InferenceBuilder
label_desc: Use image node_id 2 for calling a global function with example usage: run_moe_res_matmul_reference(residual, coef1, coef2, output) and returns: unknown