Allow skipping MoL's initial copy from past to current timelevel

This can be used as performance improvement, if timelevel cycling is
also modified to perform this copy instead.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/MoL/trunk@196 578cdeb0-5ea1-4b81-8215-5a3b8777ee0b

2 files changed, 10 insertions, 3 deletions

diff --git a/param.ccl b/param.ccl
index cce525f..34282d1 100644
--- a/param.ccl
+++ b/param.ccl
@@ -191,6 +191,10 @@ BOOLEAN disable_prolongation "If Mesh refinement is enabled should we use buffer
 
 
 
+BOOLEAN skip_initial_copy "Skip initial copy from previous to current time level" STEERABLE=recover
+{
+} "no"
+
 BOOLEAN init_RHS_zero "Initialise the RHS to zero" STEERABLE=recover
 {
 } "yes"
diff --git a/schedule.ccl b/schedule.ccl
index e08aa3c..6d607ba 100644
--- a/schedule.ccl
+++ b/schedule.ccl
@@ -461,10 +461,13 @@ schedule GROUP MoL_PreStep IN MoL_Evolution AFTER MoL_StartStep BEFORE MoL_Step
 ###  the physics thorn knows where to find it.                ###
 #################################################################
 
-schedule MoL_InitialCopy IN MoL_Evolution AFTER MoL_PreStep BEFORE MoL_Step
+if (!skip_initial_copy)
 {
-  LANG: C
-} "Ensure the data is in the correct timelevel"
+  schedule MoL_InitialCopy IN MoL_Evolution AFTER MoL_PreStep BEFORE MoL_Step
+  {
+    LANG: C
+  } "Ensure the data is in the correct timelevel"
+}
 
 #################################################
 ###  The actual loop which updates the data.  ###