diff --git a/wally-pipelined/regression/wally-pipelined-batch.do b/wally-pipelined/regression/wally-pipelined-batch.do
index 883721d2..83e50d73 100644
--- a/wally-pipelined/regression/wally-pipelined-batch.do
+++ b/wally-pipelined/regression/wally-pipelined-batch.do
@@ -6,13 +6,12 @@
 # Go Cowboys!!!!!!
 #
 # Takes 1:10 to run RV64IC tests using gui
-# 11 seconds to run batch mode
 
-# Use this wally-pipelined.do file to run this example.
+# Use this wally-pipelined-batch.do file to run this example.
 # Either bring up ModelSim and type the following at the "ModelSim>" prompt:
-#     do wally-pipelined.do ../config/rv64ic
+#     do wally-pipelined-batch.do
 # or, to run from a shell, type the following at the shell prompt:
-#     vsim -c -do wally-pipelined.do ../config/rv64ic
+#     vsim -do wally-pipelined-batch.do -c
 # (omit the "-c" to see the GUI while running from the shell)
 
 onbreak {resume}
@@ -27,12 +26,22 @@ vlib work
 # suppress spurious warnngs about 
 # "Extra checking for conflicts with always_comb done at vopt time"
 # because vsim will run vopt
-vlog +incdir+$1 ../testbench/testbench-imperas.sv ../src/*/*.sv -suppress 2583
 
+# default to config/rv64ic, but allow this to be overridden at the command line.  For example:
+# do wally-pipelined-batch.do ../config/rv32ic
+switch $argc {
+    0 {vlog +incdir+../config/rv64ic ../testbench/testbench-imperas.sv ../src/*/*.sv -suppress 2583}
+    1 {vlog +incdir+$1 ../testbench/testbench-imperas.sv ../src/*/*.sv -suppress 2583}
+}
 # start and run simulation
 # remove +acc flag for faster sim during regressions if there is no need to access internal signals
-vopt work.testbench -o workopt 
+vopt +acc work.testbench -o workopt 
 vsim workopt
 
+# load the branch predictors with known data. The value of the data is not important for function, but
+# is important for perventing pessimistic x propagation.
+mem load -infile twoBitPredictor.txt -format bin testbench/dut/hart/ifu/bpred/DirPredictor/memory/memory
+mem load -infile BTBPredictor.txt -format bin testbench/dut/hart/ifu/bpred/TargetPredictor/memory/memory
+
 run -all
 quit