Studium_Angewandte_Informatik_Bachelor/hpc_laboratory_exercises
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

.

Browse Source
This commit is contained in:
WickedJack99
2025-06-29 21:21:12 +02:00
parent a006f9b299
commit 33f7141f6d
1 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lab12/exc4/jacobi.cpp
View File

@@ -61,10 +61,11 @@ int Jacobi::upperOffset() const
void Jacobi::exchangeHaloLayers(Matrix &phi)
{
if (rank_ == (numProc_ - 2)) {
if (rank_ == (numProc_ - 2))
{
std::cout << is_first_on_node_ << std::endl;
}
if (is_first_on_node_)
{
exchangeHaloLayersNodeMPIProcFirst(phi);
@@ -157,6 +158,10 @@ void Jacobi::exchangeHaloLayersNodeMPIProcFirst(Matrix &phi)
while (states->shmStates[1] == SharedmemState::Unread)
{
if (rank_ == (numProc_ - 2))
{
std::cout << "t" << std::endl;
}
MPI_Win_sync(win_);
}
@@ -245,6 +250,10 @@ Jacobi::Result Jacobi::run(const Matrix &init, double eps, int maxNumIter)
dist = 0;
exchangeHaloLayers(phi[t0]);
if (rank_ == (numProc_ - 2))
{
std::cout << "exchangeHaloLayers finished" << std::endl;
}
for (int i = 1; i < numRows - 1; ++i)
{