From 3d90363bdf6ff81fdf31418f644effe1463bd811 Mon Sep 17 00:00:00 2001
From: Jan Vogelsang <j.vogelsang@fz-juelich.de>
Date: Mon, 16 Dec 2024 17:05:32 +0100
Subject: [PATCH] Fixed MPI sync timer

---
 cmake/ConfigureSummary.cmake | 7 +++++++
 libnestutil/config.h.in      | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/cmake/ConfigureSummary.cmake b/cmake/ConfigureSummary.cmake
index c0b7e24e8b..686edb64bb 100644
--- a/cmake/ConfigureSummary.cmake
+++ b/cmake/ConfigureSummary.cmake
@@ -157,6 +157,13 @@ function( NEST_PRINT_CONFIG_SUMMARY )
     message( "Threaded timers     : No" )
   endif ()
 
+  message( "" )
+  if ( THREADED_TIMERS )
+    message( "MPI sync timer      : Yes" )
+  else ()
+    message( "MPI sync timer      : No" )
+  endif ()
+
   message( "" )
   if ( HAVE_MUSIC )
     message( "Use MUSIC           : Yes (MUSIC ${MUSIC_VERSION})" )
diff --git a/libnestutil/config.h.in b/libnestutil/config.h.in
index ddf3921773..70998df6f3 100644
--- a/libnestutil/config.h.in
+++ b/libnestutil/config.h.in
@@ -185,6 +185,9 @@
 /* Whether to use one NEST internal timer per thread */
 #cmakedefine THREADED_TIMERS 1
 
+/* Whether to use the mpi synchronization timer (including an additional barrier) */
+#cmakedefine MPI_SYNC_TIMER 1
+
 /* Whether to do full logging */
 #cmakedefine ENABLE_FULL_LOGGING 1