Studium_Angewandte_Informatik_Bachelor/hpc_laboratory_exercises
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This commit is contained in:
kai
2025-05-31 17:24:00 +02:00
parent 55bcc04061
commit 278a1b15a5
1 changed files with 2 additions and 9 deletions
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11
lab10/jacobi/jacobi_mpi.cpp
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@@ -72,12 +72,6 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
phi[t0](i, j + 1) + phi[t0](i, j - 1));
const double diff = phi[t1](i, j) - phi[t0](i, j);
dist = std::max(dist, std::abs(diff));
if (nIter == 50) {
std::cout << phi[t1](i, j);
}
}
if (nIter == 50) {
std::cout << std::endl;
}
}
}
@@ -156,9 +150,6 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
}
}
// if (nIter % 1000 == 0) {
// std::cout << "Iteration " << nIter << ", dist=" << dist << "\n";
// }
double globalDist;
MPI_Allreduce(&dist, &globalDist, 1, MPI_DOUBLE, MPI_MAX, MPI_COMM_WORLD);
dist = globalDist;
@@ -167,5 +158,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
std::swap(t0, t1);
}
std::cout << phi[t1] << std::endl;
return Jacobi::Result{phi[t1], dist, nIter};
}