Studium_Angewandte_Informatik_Bachelor/hpc_laboratory_exercises
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finito (hopefully)

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kai
2025-06-01 16:05:10 +02:00
parent 2212feaab5
commit a6fd185b74
1 changed files with 12 additions and 12 deletions
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24
lab10/jacobi/jacobi_main.cpp
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@@ -161,19 +161,19 @@ int main(int argc, char *argv[]) {
runParallel(n, eps, maxNumIter);
// Run the benchmark
// double serialTime = 0;
// double parallelTime = 0;
//
// serialTime = serialBenchmark(n, eps, maxNumIter);
// parallelTime = parallelBenchmark(n, eps, maxNumIter);
double serialTime = 0;
double parallelTime = 0;
// if (rank == 0) {
// std::cout << "Serial time: " << serialTime << "ms" << std::endl;
// std::cout << "Parallel time: " << parallelTime << "ms" << std::endl;
// std::cout << "Speedup: " << serialTime / parallelTime << std::endl;
// std::ofstream fout("benchmark.txt", std::ios::app);
// fout << numProc << "\t" << parallelTime << "\n";
// }
serialTime = serialBenchmark(n, eps, maxNumIter);
parallelTime = parallelBenchmark(n, eps, maxNumIter);
if (rank == 0) {
std::cout << "Serial time: " << serialTime << "ms" << std::endl;
std::cout << "Parallel time: " << parallelTime << "ms" << std::endl;
std::cout << "Speedup: " << serialTime / parallelTime << std::endl;
std::ofstream fout("benchmark.txt", std::ios::app);
fout << numProc << "\t" << parallelTime << "\n";
}
MPI_Finalize();
}