diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b4214ef0..c8127376 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,6 +23,13 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: true
+    
+    # Update references
+    - name: Git Sumbodule Update
+      run: |
+        git submodule update --init
     
     # install ninja
     - name: install ninja for LLVM build
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..73189b14
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "test/CGRA-Bench"]
+	path = test/CGRA-Bench
+	url = https://github.com/tancheng/CGRA-Bench
diff --git a/test/CGRA-Bench b/test/CGRA-Bench
new file mode 160000
index 00000000..f75e2766
--- /dev/null
+++ b/test/CGRA-Bench
@@ -0,0 +1 @@
+Subproject commit f75e2766fc0c94731f4d429c9ddbaad086cb4933
diff --git a/test/testbench/Conv2D/.gitkeep b/test/testbench/Conv2D/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/FFT/.gitkeep b/test/testbench/FFT/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/SpMV/.gitkeep b/test/testbench/SpMV/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/dtw/.gitkeep b/test/testbench/dtw/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/fir/.gitkeep b/test/testbench/fir/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/gemm/.gitkeep b/test/testbench/gemm/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/histogram/.gitkeep b/test/testbench/histogram/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/test/testbench/relu/.gitkeep b/test/testbench/relu/.gitkeep
new file mode 100644
index 00000000..e69de29b