Method benchmark

tutorials/verify/verify.cpp:5719–5725

      : VerifyApplication::Benchmark(name,isa,"1/s",true,10) {}
    
    float benchmark(VerifyApplication* state)
    {
      double t0 = getSeconds();
      for (volatile size_t i=0; i<10000000; i = i + 1);
      double t1 = getSeconds();
      return 1.0f/float(t1-t0);
    }
  };
  
  struct ParallelIntersectBenchmark : public VerifyApplication::Benchmark