Studium_Angewandte_Informatik_Bachelor/hpc_laboratory_exercises
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idk

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This commit is contained in:
kai
2025-05-31 13:34:58 +02:00
parent 8d1fbc98e8
commit 7b413c287a
1 changed files with 4 additions and 4 deletions
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8
lab10/jacobi/jacobi_mpi.cpp
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@@ -45,7 +45,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
if (rank == 0) {
MPI_Request send_lower;
MPI_Isend(phi[t1].get_row(numRows - 1), numCols, MPI_DOUBLE,
MPI_Isend(&phi[t1].get_row(numRows - 1), numCols, MPI_DOUBLE,
neighborUpper, 0, MPI_COMM_WORLD, &send_lower);
MPI_Request requestLower;
@@ -70,7 +70,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
else if (rank == (numProc - 1)) {
MPI_Request send_upper;
MPI_Isend(phi[t1].get_row(rank * numRows), numCols, MPI_DOUBLE,
MPI_Isend(&phi[t1].get_row(rank * numRows), numCols, MPI_DOUBLE,
neighborLower, 0, MPI_COMM_WORLD, &send_upper);
MPI_Request request_upper;
@@ -95,9 +95,9 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
else {
MPI_Request send_upper;
MPI_Request send_lower;
MPI_Isend(phi[t1].get_row(rank * numRows), numCols, MPI_DOUBLE,
MPI_Isend(&phi[t1].get_row(rank * numRows), numCols, MPI_DOUBLE,
neighborLower, 0, MPI_COMM_WORLD, &send_upper);
MPI_Isend(phi[t1].get_row(rank * numRows + numRows), numCols, MPI_DOUBLE,
MPI_Isend(&phi[t1].get_row(rank * numRows + numRows), numCols, MPI_DOUBLE,
neighborLower, 0, MPI_COMM_WORLD, &send_lower);
MPI_Request request_upper;