Sync only variables of active implementations.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGHIO/IOFlexIO/trunk@109 ebee0441-1374-4afa-a3b5-247f3ba15b9a

1 files changed, 5 insertions, 7 deletions

diff --git a/src/DumpGH.c b/src/DumpGH.c
index 2e4b492..74a5426 100644
--- a/src/DumpGH.c
+++ b/src/DumpGH.c
@@ -287,13 +287,11 @@ void IOFlexIO_DumpGH (cGH *GH, int called_from)
   if (print_timing_info)
     CCTK_TimerStartI (myGH->checkpointTotalTimer);
 
-  /* sync all groups */
-  for (index = 0; index < CCTK_NumGroups (); index++) {
-    char *gname = CCTK_GroupName (index);
-
-    CCTK_SyncGroup (GH, gname);
-    free (gname);
-  }
+  /* sync all active groups */
+  for (index = 0; index < CCTK_NumGroups (); index++)
+    if (CCTK_IsImplementationActive (CCTK_ImpFromVarI (
+                                       CCTK_FirstVarIndexI (index))))
+      CCTK_SyncGroupI (GH, index);
 
   /* get the base filename ... */
   IOUtil_PrepareFilename (GH, NULL, dumpfname, called_from,