code: def test_convolution(inputs, func_kwargs, nnabla_opts):
      fb = FunctionBenchmark(
          PF.convolution,
          inputs,
          [],
          func_kwargs,
          nnabla_opts.ext,
          nnabla_opts.ext_kwargs,
      )
      fb.benchmark()
      fb.write(writer=nnabla_opts.function_benchmark_writer)
  
imports: import pytest
  import nnabla.functions
  import nnabla.parametric_functions
  from function_benchmark import FunctionBenchmark, Inspec
label_desc: Use image node_id 2 for calling a global function with example usage: test_convolution(inputs, func_kwargs, nnabla_opts) without return types