From 73b83cb9efe7228db141791dc972020b346a7196 Mon Sep 17 00:00:00 2001 From: kai Date: Sun, 1 Jun 2025 12:40:46 +0200 Subject: [PATCH] use .data on send vector --- lab10/jacobi/jacobi_mpi.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/lab10/jacobi/jacobi_mpi.cpp b/lab10/jacobi/jacobi_mpi.cpp index 56d3e7b..de418a4 100644 --- a/lab10/jacobi/jacobi_mpi.cpp +++ b/lab10/jacobi/jacobi_mpi.cpp @@ -53,7 +53,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon, if (rank == 0) { MPI_Request send_lower; std::vector send_vec_low = phi[t0].get_row(numRows - 1); - MPI_Isend(&send_vec_low, numCols, MPI_DOUBLE, neighborLower, 0, + MPI_Isend(send_vec_low.data(), numCols, MPI_DOUBLE, neighborLower, 0, MPI_COMM_WORLD, &send_lower); MPI_Request requestLower; @@ -79,7 +79,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon, else if (rank == (numProc - 1)) { MPI_Request send_upper; std::vector send_vec_up = phi[t0].get_row(rank * numRows); - MPI_Isend(&send_vec_up, numCols, MPI_DOUBLE, neighborUpper, 0, + MPI_Isend(send_vec_up.data(), numCols, MPI_DOUBLE, neighborUpper, 0, MPI_COMM_WORLD, &send_upper); MPI_Request request_upper; @@ -106,12 +106,12 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon, MPI_Request send_lower; std::vector send_vec_up = phi[t0].get_row(rank * numRows); - MPI_Isend(&send_vec_up, numCols, MPI_DOUBLE, neighborUpper, 0, + MPI_Isend(send_vec_up.data()), numCols, MPI_DOUBLE, neighborUpper, 0, MPI_COMM_WORLD, &send_upper); std::vector send_vec_low = phi[t0].get_row(rank * numRows + numRows); - MPI_Isend(&send_vec_low, numCols, MPI_DOUBLE, neighborLower, 0, + MPI_Isend(send_vec_low.data(), numCols, MPI_DOUBLE, neighborLower, 0, MPI_COMM_WORLD, &send_lower); MPI_Request request_upper;