From 2c903e7f44c97cb7efc6bd5f7bb0c35ab847c3d3 Mon Sep 17 00:00:00 2001
From: Stephane Del Pino <stephane.delpino44@gmail.com>
Date: Fri, 21 Sep 2018 14:18:58 +0200
Subject: [PATCH] Force no output for non rank 0 mpi processes
---
src/utils/PastisUtils.cpp | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/src/utils/PastisUtils.cpp b/src/utils/PastisUtils.cpp
index 2744e38a7..72764650f 100644
--- a/src/utils/PastisUtils.cpp
+++ b/src/utils/PastisUtils.cpp
@@ -19,6 +19,18 @@ std::string initialize(int& argc, char* argv[])
{
MPI_Init(&argc, &argv);
+ {
+ const int mpi_rank
+ =[](){
+ int mpi_rank;
+ MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
+ return mpi_rank;
+ }();
+ if (mpi_rank != 0) {
+ pout.setOutput(null_stream);
+ }
+ }
+
long unsigned number = 10;
std::string filename;
@@ -118,10 +130,9 @@ void finalize()
return mpi_size;
}();
- std::cout << rang::fgB::green << "Terminating process " << rang::fg::reset
- << rang::fgB::yellow << mpi_rank << rang::fg::reset << " of "
- << rang::style::bold << mpi_size << rang::style::reset << '\n';;
-
+ pout() << rang::fgB::green << "Terminating process " << rang::fg::reset
+ << rang::fgB::yellow << mpi_rank << rang::fg::reset << " of "
+ << rang::style::bold << mpi_size << rang::style::reset << '\n';;
Kokkos::finalize();
MPI_Finalize();
--
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