BenchmarkGrd.h

Go to the documentation of this file.

#ifndef DETECTOR_DESCRIPTION_BENCHMARK_GRD_H
#define DETECTOR_DESCRIPTION_BENCHMARK_GRD_H

#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include <string>
#include <chrono>

class BenchmarkGrd {
 public:
 BenchmarkGrd( const std::string &name )
   : m_start( std::chrono::high_resolution_clock::now()),
    m_name( name )
    {}
  
  ~BenchmarkGrd() {
    std::chrono::duration< double, std::milli > diff = std::chrono::high_resolution_clock::now() - m_start;
    edm::LogVerbatim("Geometry") << "Benchmark '" << m_name << "' took " << diff.count() << " millis\n";
  }
  
 private:
  std::chrono::time_point<std::chrono::high_resolution_clock> m_start;
  std::string m_name;
};

#ifdef BENCHMARK_ON
#   define BENCHMARK_START(X) {BenchmarkGrd(#X)
#   define BENCHMARK_END }
#else
#   define BENCHMARK_START(X)
#   define BENCHMARK_END
#endif

#endif