code: def forward(self, d1, d2):
      y = self.matmul(d1, d2)
      return y
  
file_path: pytorch/benchmarks/tensorexpr/matmul.py
imports: import numpy
  from .None import benchmark
label_desc: Use image node_id 2 for calling the MatMulBench obj's underlying member method code with example usage: obj.forward(d1, d2) and returns: y