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mdl: profiling_openmp with easy_profile

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This commit is contained in:
Marco De Lucia 2023-08-24 12:22:02 +02:00
parent 1dbee6d8d9
commit 3db0e73efe
3 changed files with 38 additions and 49 deletions
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3
CMakeLists.txt
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@ -8,6 +8,7 @@ set(CMAKE_CXX_STANDARD 17)
find_package(Eigen3 REQUIRED NO_MODULE)
find_package(OpenMP)
find_package(easy_profiler)
option(EASY_OPTION_LOG "Verbose easy_profiler" 1)
## SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2 -mfma")
option(TUG_USE_OPENMP "Compile with OpenMP support" ON)
@ -40,4 +41,4 @@ if(TUG_ENABLE_TESTING)
add_subdirectory(test)
endif()
add_subdirectory(examples)
add_subdirectory(examples)

3
examples/CMakeLists.txt
View File

@ -1,3 +1,4 @@
set(BUILD_WITH_EASY_PROFILER "1" PARENT_SCOPE)
add_executable(FTCS_1D_proto_example FTCS_1D_proto_example.cpp)
add_executable(FTCS_2D_proto_example FTCS_2D_proto_example.cpp)
add_executable(BTCS_1D_proto_example BTCS_1D_proto_example.cpp)
@ -9,7 +10,7 @@ target_link_libraries(FTCS_2D_proto_example tug)
target_link_libraries(BTCS_1D_proto_example tug)
target_link_libraries(BTCS_2D_proto_example tug)
target_link_libraries(reference-FTCS_2D_closed tug)
target_link_libraries(profiling_openmp tug)
target_link_libraries(profiling_openmp tug easy_profiler)
add_executable(FTCS_2D_proto_example_mdl FTCS_2D_proto_example_mdl.cpp)
add_executable(FTCS_2D_proto_closed_mdl FTCS_2D_proto_closed_mdl.cpp)

81
examples/profiling_openmp.cpp
View File

@ -2,60 +2,47 @@
#include <iostream>
#include <fstream>
#include <chrono>
#include <easy/profiler.h>
int main(int argc, char *argv[]) {
EASY_MAIN_THREAD;
EASY_PROFILER_ENABLE;
profiler::startListen();
int n[4] = {100, 500, 1000, 2000};
int threads[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
int iterations[1] = {5};
int repetition = 1;
int n = 1000;
ofstream myfile;
myfile.open("testLarge.csv");
Grid grid = Grid(n, n);
grid.setDomain(10, 10);
for (int i = 0; i < size(n); i++){
cout << "Grid size: " << n[i] << " x " << n[i] << endl << endl;
myfile << "Grid size: " << n[i] << " x " << n[i] << endl << endl;
for(int j = 0; j < size(iterations); j++){
cout << "Iterations: " << iterations[j] << endl;
myfile << "Iterations: " << iterations[j] << endl;
for (int k = 0; k < repetition; k++){
cout << "Wiederholung: " << k << endl;
Grid grid = Grid(n[i], n[i]);
grid.setDomain(1, 1);
MatrixXd concentrations = MatrixXd::Constant(n, n, 0);
concentrations(n/2,n/2) = 1;
grid.setConcentrations(concentrations);
MatrixXd alpha = MatrixXd::Constant(n, n, 0.001);
Boundary bc = Boundary(grid);
Simulation sim = Simulation(grid, bc, BTCS_APPROACH);
sim.setSolver(THOMAS_ALGORITHM_SOLVER);
sim.setNumberThreads(1);
sim.setTimestep(0.001);
sim.setIterations(2);
sim.setOutputCSV(CSV_OUTPUT_OFF);
auto begin = std::chrono::high_resolution_clock::now();
MatrixXd concentrations = MatrixXd::Constant(n[i], n[i], 0);
concentrations(n[i]/2,n[i]/2) = 1;
grid.setConcentrations(concentrations);
MatrixXd alpha = MatrixXd::Constant(n[i], n[i], 0.5);
EASY_BLOCK("SIMULATION");
sim.run();
EASY_END_BLOCK;
Boundary bc = Boundary(grid);
auto end = std::chrono::high_resolution_clock::now();
Simulation sim = Simulation(grid, bc, BTCS_APPROACH);
sim.setSolver(THOMAS_ALGORITHM_SOLVER);
auto milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(end - begin);
cout << milliseconds.count() << endl;
if(argc == 2){
int numThreads = atoi(argv[1]);
sim.setNumberThreads(numThreads);
}
else{
sim.setNumberThreads(1);
}
profiler::dumpBlocksToFile("./mytest_profile.prof");
profiler::stopListen();
sim.setTimestep(0.001);
sim.setIterations(iterations[j]);
sim.setOutputCSV(CSV_OUTPUT_OFF);
auto begin = std::chrono::high_resolution_clock::now();
sim.run();
auto end = std::chrono::high_resolution_clock::now();
auto milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(end - begin);
myfile << milliseconds.count() << endl;
}
}
cout << endl;
myfile << endl;
}
myfile.close();
}
return(0);
}