From cef8ac0cb33fe5543611e5860691e5ac6d4de965 Mon Sep 17 00:00:00 2001
From: Sebastian Eibl <sebastian.eibl@fau.de>
Date: Mon, 12 Feb 2018 13:41:21 +0100
Subject: [PATCH] fixed wrong initialization of communicator
---
src/pe/utility/CreateWorld.cpp | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/pe/utility/CreateWorld.cpp b/src/pe/utility/CreateWorld.cpp
index a95db6201..3ede915c6 100644
--- a/src/pe/utility/CreateWorld.cpp
+++ b/src/pe/utility/CreateWorld.cpp
@@ -59,7 +59,8 @@ std::unique_ptr<SetupBlockForest> createSetupBlockForest(const math::AABB simula
{
WALBERLA_MPI_SECTION()
{
- MPIManager::instance()->useWorldComm();
+ if (!MPIManager::instance()->rankValid())
+ MPIManager::instance()->useWorldComm();
}
if (isPeriodic[0] && blocks[0]<2)
@@ -95,6 +96,12 @@ shared_ptr<BlockForest> createBlockForest(const math::AABB simulationDomain,
const uint_t numberOfProcesses,
const uint_t initialRefinementLevel)
{
+ WALBERLA_MPI_SECTION()
+ {
+ if (!MPIManager::instance()->rankValid())
+ MPIManager::instance()->useWorldComm();
+ }
+
std::unique_ptr<SetupBlockForest> sforest( createSetupBlockForest( simulationDomain, blocks, isPeriodic, numberOfProcesses, initialRefinementLevel ));
return shared_ptr< BlockForest >( new BlockForest( uint_c( MPIManager::instance()->rank() ), *sforest, false ) );
}
@@ -127,6 +134,12 @@ shared_ptr<BlockForest> createBlockForest(const math::AABB simulationDomain,
return shared_ptr<BlockForest>();
}
+ WALBERLA_MPI_SECTION()
+ {
+ if (!MPIManager::instance()->rankValid())
+ MPIManager::instance()->useWorldComm();
+ }
+
WALBERLA_LOG_INFO_ON_ROOT( "Production Run!" );
WALBERLA_LOG_INFO_ON_ROOT( "Creating the block structure: loading from file \'" << sbffile << "\' ..." );
return shared_ptr< BlockForest >( new BlockForest( uint_c( MPIManager::instance()->rank() ), sbffile.c_str(), true, false ) );
--
GitLab