From 6029a4a16b32edcf7ad75ddea967f5a999d8615a Mon Sep 17 00:00:00 2001
From: Stephen Copplestone <Stephen@Copplestone.de>
Date: Fri, 9 Dec 2022 14:12:59 +0100
Subject: [PATCH] Adjusted virtual cell merge reggie to include load balance
 restart. Increased the tolerance of the analysis a little bit.

---
 .../NIG_DSMC/VirtualCellMerge/analyze.ini          |  2 +-
 .../NIG_DSMC/VirtualCellMerge/command_line.ini     |  2 +-
 .../NIG_DSMC/VirtualCellMerge/parameter.ini        | 14 +++++++++++---
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/regressioncheck/NIG_DSMC/VirtualCellMerge/analyze.ini b/regressioncheck/NIG_DSMC/VirtualCellMerge/analyze.ini
index 9b6217ca2..2cec5268c 100644
--- a/regressioncheck/NIG_DSMC/VirtualCellMerge/analyze.ini
+++ b/regressioncheck/NIG_DSMC/VirtualCellMerge/analyze.ini
@@ -2,6 +2,6 @@
 h5diff_file            = VirtualCellMerge_DSMCState_000.00000080000000000.h5
 h5diff_reference_file  = VirtualCellMerge_DSMCState_000.00000080000000000_ref.h5
 h5diff_data_set        = ElemData
-h5diff_tolerance_value = 2e19
+h5diff_tolerance_value = 2.20e19
 h5diff_tolerance_type  = absolute
 h5diff_max_differences = 0
diff --git a/regressioncheck/NIG_DSMC/VirtualCellMerge/command_line.ini b/regressioncheck/NIG_DSMC/VirtualCellMerge/command_line.ini
index b67a54f8e..61c705afb 100644
--- a/regressioncheck/NIG_DSMC/VirtualCellMerge/command_line.ini
+++ b/regressioncheck/NIG_DSMC/VirtualCellMerge/command_line.ini
@@ -1,3 +1,3 @@
-MPI=4
+MPI=1,2,4
 restart_file = VirtualCellMerge_restart_State_000.00000040000000000.h5
 cmd_suffix=DSMC.ini
diff --git a/regressioncheck/NIG_DSMC/VirtualCellMerge/parameter.ini b/regressioncheck/NIG_DSMC/VirtualCellMerge/parameter.ini
index 1570bf478..571644046 100644
--- a/regressioncheck/NIG_DSMC/VirtualCellMerge/parameter.ini
+++ b/regressioncheck/NIG_DSMC/VirtualCellMerge/parameter.ini
@@ -10,7 +10,15 @@ tend                     = 8.0e-7
 Analyze_dt               = 1E-2
 
 ! time output
-IterDisplayStep         = 1000
+IterDisplayStep         = 1
+! =============================================================================== !
+! Load Balance
+! =============================================================================== !
+DoLoadBalance         = F
+PartWeightLoadBalance = F
+DoInitialAutoRestart  = T
+InitialAutoRestart-PartWeightLoadBalance = T
+LoadBalanceMaxSteps   = 2
 ! =============================================================================== !
 ! DISCRETIZATION
 ! =============================================================================== !
@@ -82,9 +90,9 @@ Part-Species1-Init1-VeloIC                  = 0
 Part-Species1-Init1-VeloVecIC               = (/0.,0.,1./)
 
 Particles-NumberForDSMCOutputs            = 1
-Part-TimeFracForSampling                  = 1
+Part-TimeFracForSampling                  = 0.99
 
 Part-DoVirtualCellMerge   = T
 Part-MinPartNumCellMerge  = 1000
 Part-CellMergeSpread      = 3
-Part-MaxNumbCellsMerge    = 500
\ No newline at end of file
+Part-MaxNumbCellsMerge    = 500