MueLu_Monitor.hpp

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//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
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// @HEADER
#ifndef MUELU_MONITOR_HPP
#define MUELU_MONITOR_HPP
 
#include <string>
#include <algorithm>                    // for swap
#include <ostream>                      // for basic_ostream, operator<<, etc
#include "Teuchos_FancyOStream.hpp"     // for OSTab, FancyOStream
#include "Teuchos_RCPDecl.hpp"          // for RCP
#include "Teuchos_RCP.hpp"              // for RCP::RCP<T>, RCP::operator=, etc
#include "Teuchos_Utils.hpp"            // for Utils
#include "MueLu_VerbosityLevel.hpp"     // for MsgType, MsgType::Runtime0, etc
#include "MueLu_BaseClass.hpp"
#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Level.hpp"
#include "MueLu_TimeMonitor.hpp"
 
namespace MueLu {
 
  struct FormattingHelper {
    static std::string getColonLabel(const std::string& label) {
      if (label != "")
        return label + ": ";
      else
        return "";
    }
  };
 
 
  class PrintMonitor : public BaseClass {
 
  public:
 
    PrintMonitor(const BaseClass& object, const std::string& msg, MsgType msgLevel = Runtime0);
    ~PrintMonitor();
 
  private:
    PrintMonitor();
 
    bool tabbed;
    const BaseClass& object_;
  };
 
  class Monitor: public BaseClass {
  public:
    Monitor(const BaseClass& object, const std::string & msg, MsgType msgLevel = Runtime0, MsgType timerLevel = Timings0);
 
    Monitor(const BaseClass& object, const std::string & msg, const std::string & label, MsgType msgLevel = Runtime0, MsgType timerLevel = Timings0);
 
    virtual ~Monitor() = default;
    
  private:
    PrintMonitor printMonitor_;
    TimeMonitor timerMonitor_;
  };
 
  //---------------------------------------------------------------------------------------------------
 
  class SubMonitor: public BaseClass {
  public:
    SubMonitor(const BaseClass& object, const std::string & msg, MsgType msgLevel = Runtime1, MsgType timerLevel = Timings1);
 
    SubMonitor(const BaseClass& object, const std::string & msg, const std::string & label, MsgType msgLevel = Runtime1, MsgType timerLevel = Timings1);
 
  private:
    PrintMonitor printMonitor_;
    TimeMonitor timerMonitor_;
  };
 
//convert integer timer number to string
#ifdef HAVE_MUELU_PROFILING
#define MUELU_TIMER_AS_STRING static_cast<std::ostringstream*>( &(std::ostringstream() << " " << timerIdentifier_++) )->str()
#else
#define MUELU_TIMER_AS_STRING
#endif
 
  //---------------------------------------------------------------------------------------------------
 
  class FactoryMonitor: public Monitor {
  public:
 
    static int timerIdentifier_;
 
    FactoryMonitor(const BaseClass& object, const std::string & msg, int levelID, MsgType msgLevel = static_cast<MsgType>(Test | Runtime0), MsgType timerLevel = Timings0);
 
    FactoryMonitor(const BaseClass& object, const std::string & msg, const Level & level, MsgType msgLevel = static_cast<MsgType>(Test | Runtime0), MsgType timerLevel = Timings0);
 
  private:
    RCP<TimeMonitor>                           levelTimeMonitor_;
    MutuallyExclusiveTimeMonitor<FactoryBase>  timerMonitorExclusive_;
    RCP<MutuallyExclusiveTimeMonitor<Level> >  levelTimeMonitorExclusive_;
  };
 
  //---------------------------------------------------------------------------------------------------
 
  class SubFactoryMonitor: public SubMonitor {
  public:
 
    SubFactoryMonitor(const BaseClass& object, const std::string & msg, int levelID, MsgType msgLevel = Runtime1, MsgType timerLevel = Timings1);
 
    SubFactoryMonitor(const BaseClass& object, const std::string & msg, const Level & level, MsgType msgLevel = Runtime1, MsgType timerLevel = Timings1);
 
  private:
    RCP<TimeMonitor> levelTimeMonitor_;
  };
 
} // namespace MueLu
 
#endif // MUELU_MONITOR_HPP