Function BM_CSE

tensorflow/core/graph/optimizer_cse_test.cc:349–382

}

static void BM_CSE(int iters, int op_nodes) {
  testing::StopTiming();
  string s;
  for (int in = 0; in < 10; in++) {
    s += strings::Printf("node { name: 'in%04d' op: 'Input'}", in);
  }
  random::PhiloxRandom philox(301, 17);
  random::SimplePhilox rnd(&philox);
  for (int op = 0; op < op_nodes; op++) {
    s += strings::Printf(
        "node { name: 'op%04d' op: 'Mul' attr { key: 'T' value { "
        "type: DT_FLOAT } } input: ['in%04d', 'in%04d' ] }",
        op, rnd.Uniform(10), rnd.Uniform(10));
  }

  bool first = true;
  while (iters > 0) {
    Graph* graph = new Graph(OpRegistry::Global());
    InitGraph(s, graph);
    int N = graph->num_node_ids();
    if (first) {
      testing::SetLabel(strings::StrCat("Per graph node.  Nodes: ", N));
      first = false;
    }
    {
      testing::StartTiming();
      OptimizeCSE(graph, nullptr);
      testing::StopTiming();
    }
    iters -= N;  // Our benchmark units are individual graph nodes,
                 // not whole graphs
    delete graph;
  }
}
BENCHMARK(BM_CSE)->Arg(1000)->Arg(10000);

}  // namespace