diff --git a/bin/CModelBTBAccuracy.sh b/bin/CModelBTBAccuracy.sh
new file mode 100755
index 000000000..5cde4238c
--- /dev/null
+++ b/bin/CModelBTBAccuracy.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+###########################################
+## Written: ross1728@gmail.com
+## Created: 23 October 2023
+## Modified: 
+##
+## Purpose: Takes a directory of branch outcomes organized as 1 files per benchmark.
+##          Computes the geometric mean for btb accuracy
+##
+## A component of the CORE-V-WALLY configurable RISC-V project.
+##
+## Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
+##
+## SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
+##
+## Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file 
+## except in compliance with the License, or, at your option, the Apache License version 2.0. You 
+## may obtain a copy of the License at
+##
+## https:##solderpad.org/licenses/SHL-2.1/
+##
+## Unless required by applicable law or agreed to in writing, any work distributed under the 
+## License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
+## either express or implied. See the License for the specific language governing permissions 
+## and limitations under the License.
+################################################################################################
+
+
+Directory="$1"
+Files="$1/*.log"
+
+for Size in $(seq 6 2 16)
+do
+    Product=1.0
+    Count=0
+    BMDRArray=()
+    for File in $Files
+    do
+	lines=`sim_bp gshare 16 16 $Size 1  $File | tail -5`
+        Total=`echo "$lines" | head -1 | awk '{print $5}'`
+        Miss=`echo "$lines" | tail -2 | head -1 | awk '{print $8}'`
+        BMDR=`echo "$Miss / $Total" | bc -l`
+        BMDRArray+=("$BMDR")
+        if [ $Miss -eq 0 ]; then
+	    Product=`echo "scale=200; $Product / $Total" | bc -l`
+        else
+            Product=`echo "scale=200; $Product * $Miss / $Total" | bc -l`
+        fi
+	Count=$((Count+1))
+    done
+    # with such long precision bc outputs onto multiple lines
+    # must remove \n and \ from string
+    Product=`echo "$Product" | tr -d '\n' | tr -d '\\\'`
+    GeoMean=`perl -E "say $Product**(1/$Count)"`
+    echo "$Pred$Size $GeoMean"
+done