Zoltan 2 Version 0.5
TimerManager.cpp
Go to the documentation of this file.
00001 // @HEADER
00002 //
00003 // ***********************************************************************
00004 //
00005 //   Zoltan2: A package of combinatorial algorithms for scientific computing
00006 //                  Copyright 2012 Sandia Corporation
00007 //
00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00009 // the U.S. Government retains certain rights in this software.
00010 //
00011 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
00020 // documentation and/or other materials provided with the distribution.
00021 //
00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
00025 //
00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00027 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00029 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00030 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00031 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00032 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00033 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00034 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00035 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00036 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 //
00038 // Questions? Contact Karen Devine      (kddevin@sandia.gov)
00039 //                    Erik Boman        (egboman@sandia.gov)
00040 //                    Siva Rajamanickam (srajama@sandia.gov)
00041 //
00042 // ***********************************************************************
00043 //
00044 // @HEADER
00045 //
00046 // Testing the TimerManager class.
00047 // TODO we only test that it doesn't crash.
00048 
00049 #include <Zoltan2_TestHelpers.hpp>
00050 #include <Zoltan2_PartitioningProblem.hpp>
00051 #include <Zoltan2_BasicIdentifierInput.hpp>
00052 #include <Zoltan2_TimerManager.hpp>
00053 
00054 #include <Teuchos_DefaultComm.hpp>
00055 #include <unistd.h>
00056 
00057 using Zoltan2::TimerManager;
00058 using Zoltan2::MACRO_TIMERS;
00059 using Zoltan2::MICRO_TIMERS;
00060 using Zoltan2::BOTH_TIMERS;
00061 
00062 typedef Zoltan2::BasicUserTypes<scalar_t, gno_t, lno_t, gno_t> myTypes_t;
00063 typedef Zoltan2::BasicIdentifierInput<myTypes_t> inputAdapter_t;
00064 
00065 void goToSleep(const RCP<const Zoltan2::Environment> &env)
00066 {
00067   env->timerStart(MICRO_TIMERS, string("sleep for 5 seconds"));
00068   sleep(5);
00069   env->timerStop(MICRO_TIMERS, string("sleep for 5 seconds"));
00070 
00071   env->timerStart(MICRO_TIMERS, string("sleep for 3 seconds (twice)"));
00072   sleep(3);
00073   env->timerStop(MICRO_TIMERS, string("sleep for 3 seconds (twice)"));
00074 
00075   env->timerStart(MICRO_TIMERS, string("sleep for 2 seconds"));
00076   sleep(2);
00077   env->timerStop(MICRO_TIMERS, string("sleep for 2 seconds"));
00078 
00079   env->timerStart(MICRO_TIMERS, string("sleep for 3 seconds (twice)"));
00080   sleep(3);
00081   env->timerStop(MICRO_TIMERS, string("sleep for 3 seconds (twice)"));
00082 }
00083 
00084 
00085 int main(int argc, char *argv[])
00086 {
00087   Teuchos::GlobalMPISession session(&argc, &argv);
00088   Teuchos::RCP<const Teuchos::Comm<int> > comm =
00089     Teuchos::DefaultComm<int>::getComm();
00090 
00091   // Create a problem, requesting that Timing be enabled.
00092 
00093   Teuchos::ParameterList pl("test list");
00094   pl.set("timer_output_stream" , "std::cout");
00095   pl.set("timer_type" , "both_timers");
00096   std::vector<const scalar_t * >weights;
00097   std::vector<int> strides;
00098   Array<gno_t> someIds(10,1);
00099   inputAdapter_t ia(10, someIds.getRawPtr(), weights, strides);
00100 
00101 #ifdef HAVE_ZOLTAN2_MPI
00102   Zoltan2::PartitioningProblem<inputAdapter_t> problem(&ia, &pl,
00103     MPI_COMM_WORLD);
00104 #else
00105   Zoltan2::PartitioningProblem<inputAdapter_t> problem(&ia, &pl);
00106 #endif
00107 
00108   // Use the timers through the environment.
00109 
00110   const RCP<const Zoltan2::Environment> &env = problem.getEnvironment();
00111 
00112   if (comm->getRank() == 0)
00113     std::cout << "Sleeping..." << std::endl;
00114 
00115   env->timerStart(MACRO_TIMERS, string("Do the sleep test"));
00116   goToSleep(env);
00117   env->timerStop(MACRO_TIMERS, string("Do the sleep test"));
00118 
00119   comm->barrier();
00120 
00121   // Should show an error
00122   env->timerStop(MACRO_TIMERS, string("unstarted timer"));
00123 
00124   problem.printTimers();
00125 
00126   if (comm->getRank() == 0)
00127     std::cout << "PASS" << std::endl;
00128 }