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MPI: ciritcal fix: the interface area needs to be updated in both ranks

pull/1/head
Thorsten Liebig 2011-02-21 09:56:16 +01:00
parent 23df0f63a0
commit 9b55eab2f8
1 changed files with 20 additions and 8 deletions
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20
FDTD/operator_mpi.cpp
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@ -53,14 +53,26 @@ bool Operator_MPI::SetGeometryCSX(ContinuousStructure* geo)
CSRectGrid* grid = geo->GetGrid();
int nz = grid->GetQtyLines(2);
std::vector<unsigned int> jobs = AssignJobs2Threads(nz, m_NumProc);
double z_lines[jobs.at(m_MyID)];
double z_lines[jobs.at(m_MyID)+1];
if (m_MyID==0)
{
for (unsigned int n=0;n<jobs.at(0);++n)
z_lines[n] = grid->GetLine(2,n);
grid->ClearLines(2);
grid->AddDiscLines(2,jobs.at(0),z_lines);
}
else
{
unsigned int z_start=0;
for (int n=0;n<m_MyID;++n)
z_start+=jobs.at(n);
for (unsigned int n=0;n<jobs.at(m_MyID);++n)
z_lines[n] = grid->GetLine(2,z_start+n);
for (unsigned int n=0;n<=jobs.at(m_MyID);++n)
z_lines[n] = grid->GetLine(2,z_start+n-1);
grid->ClearLines(2);
grid->AddDiscLines(2,jobs.at(m_MyID),z_lines);
grid->AddDiscLines(2,jobs.at(m_MyID)+1,z_lines);
}
//lower neighbor is ID-1
if (m_MyID>0)