From eb92a1688d007568f1b15165d1f43874941f29d2 Mon Sep 17 00:00:00 2001
From: Anna Wellmann <a.wellmann@tu-bs.de>
Date: Wed, 10 Nov 2021 15:21:41 +0100
Subject: [PATCH] Prevent user from enabling streams on a single gpu
---
apps/gpu/LBM/MusselOyster/MusselOyster.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/apps/gpu/LBM/MusselOyster/MusselOyster.cpp b/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
index 8f544a362..68a584167 100644
--- a/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
+++ b/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
@@ -119,7 +119,12 @@ void multipleLevel(const std::string& configPath)
bool useGridGenerator = true;
bool useStreams = true;
bool useLevels = true;
- para->useReducedCommunicationAfterFtoC = true;
+ para->useReducedCommunicationAfterFtoC = false;
+
+ if (para->getNumprocs() == 1) {
+ useStreams = false;
+ para->useReducedCommunicationAfterFtoC = false;
+ }
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--
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