/usr/include/trilinos/MueLu_TimeMonitor.hpp is in libtrilinos-muelu-dev 12.4.2-2.
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//
// ***********************************************************************
//
// MueLu: A package for multigrid based preconditioning
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact
// Jonathan Hu (jhu@sandia.gov)
// Andrey Prokopenko (aprokop@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef MUELU_TIMEMONITOR_HPP
#define MUELU_TIMEMONITOR_HPP
#include <string>
#include <Teuchos_DefaultComm.hpp>
#include <Teuchos_Time.hpp>
#include <Teuchos_TimeMonitor.hpp>
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_BaseClass.hpp"
#include "MueLu_VerboseObject.hpp"
#include "MueLu_MutuallyExclusiveTime.hpp"
namespace MueLu {
/*! @class TimeMonitor
@brief Integrates Teuchos::TimeMonitor with MueLu verbosity system.
*/
class TimeMonitor : public BaseClass {
public:
TimeMonitor(const BaseClass& object, const std::string& msg, MsgType timerLevel = Timings0) {
// Inherit props from 'object'
SetVerbLevel (object.GetVerbLevel());
SetProcRankVerbose(object.GetProcRankVerbose());
if (IsPrint(timerLevel) &&
/* disable timer if never printed: */ (IsPrint(RuntimeTimings) || (!IsPrint(NoTimeReport)))) {
if (!IsPrint(NoTimeReport)) {
// TODO: there is no function to register a timer in Teuchos::TimeMonitor after the creation of the timer. But would be useful...
timer_ = Teuchos::TimeMonitor::getNewTimer("MueLu: " + msg);
} else {
timer_ = rcp(new Teuchos::Time("MueLu: " + msg));
}
// Start the timer (this is what is done by Teuchos::TimeMonitor)
timer_->start();
timer_->incrementNumCalls();
}
}
~TimeMonitor() {
// Stop the timer if present
if (timer_ != Teuchos::null)
timer_->stop();
}
protected:
TimeMonitor() { }
private:
RCP<Teuchos::Time> timer_;
};
//TODO: code duplication MutuallyExclusiveTimeMonitor / TimeMonitor
/*! @class MutuallyExclusiveTimeMonitor
@brief Similar to TimeMonitor, but uses MutuallyExclusiveTime objects.
*/
template <class TagName>
class MutuallyExclusiveTimeMonitor : public BaseClass {
public:
/*! @brief Constructor
@param[in] object Reference to the class instance that is creating this MutuallyExclusiveTimeMonitor.
@param[in] msg String that indicates what the Monitor is monitoring, e.g., "Build"
@param[in] timerLevel Governs whether timing information should be *gathered*. Setting this to NoTimeReport prevents the creation of timers.
*/
MutuallyExclusiveTimeMonitor(const BaseClass& object, const std::string& msg, MsgType timerLevel = Timings0) {
// Inherit props from 'object'
SetVerbLevel (object.GetVerbLevel());
SetProcRankVerbose(object.GetProcRankVerbose());
if (IsPrint(timerLevel) &&
/* disable timer if never printed: */ (IsPrint(RuntimeTimings) || (!IsPrint(NoTimeReport)))) {
if (!IsPrint(NoTimeReport)) {
timer_ = MutuallyExclusiveTime<TagName>::getNewTimer("MueLu: " + msg /*+ " (MutuallyExclusive)" */);
} else {
timer_ = rcp(new MutuallyExclusiveTime<TagName> ("MueLu: " + msg /*+ " (MutuallyExclusive)" */));
}
timer_->start();
timer_->incrementNumCalls();
}
}
~MutuallyExclusiveTimeMonitor() {
// Stop the timer if present
if (timer_ != Teuchos::null)
timer_->stop();
}
protected:
MutuallyExclusiveTimeMonitor() { }
private:
RCP<MutuallyExclusiveTime<TagName> > timer_; // keep a reference on the timer to print stats if RuntimeTimings=ON //TODO:use base class instead
};
} // namespace MueLu
#endif // MUELU_TIMEMONITOR_HPP
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