Tpetra_Details_Profiling.cpp

// @HEADER
// *****************************************************************************
//          Tpetra: Templated Linear Algebra Services Package
//
// Copyright 2008 NTESS and the Tpetra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#include "Tpetra_Details_Profiling.hpp"
#include "Tpetra_Details_Behavior.hpp"
// I don't like including everything, but currently (as of 19 Apr
// 2017), Kokkos does not provide a public header file to get just the
// Profiling hooks.  Users are just supposed to include
// Kokkos_Core.hpp.
#include "Kokkos_Core.hpp"

namespace Tpetra {
namespace Details {

ProfilingRegion::ProfilingRegion()
  : kokkos_region_active_(false) {
}

ProfilingRegion::ProfilingRegion(const char name[]) {
  kokkos_region_active_ = false;
  if (Behavior::profilingRegionUseKokkosProfiling()) {
    kokkos_region_active_ = true;
    ::Kokkos::Profiling::pushRegion(name);
  }
  if (Behavior::profilingRegionUseTeuchosTimers())
    tm = Teuchos::rcp(new Teuchos::TimeMonitor(*Teuchos::TimeMonitor::getNewTimer(name)));
}

ProfilingRegion::ProfilingRegion(const char name[], const char group[]) {
  kokkos_region_active_ = false;
  const bool timeit     = Behavior::timing(group);
  if (timeit) {
    if (Behavior::profilingRegionUseKokkosProfiling()) {
      kokkos_region_active_ = true;
      ::Kokkos::Profiling::pushRegion(name);
    }
    if (Behavior::profilingRegionUseTeuchosTimers())
      tm = Teuchos::rcp(new Teuchos::TimeMonitor(*Teuchos::TimeMonitor::getNewTimer(name)));
  }
}

ProfilingRegion::~ProfilingRegion() {
  if (Behavior::profilingRegionUseKokkosProfiling() && kokkos_region_active_) {
    ::Kokkos::Profiling::popRegion();
  }
}

}  // namespace Details
}  // namespace Tpetra