diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..b87e33e3203de8935082aa9f864be791db79edab
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src"]
+	path = src
+	url = https://git.dynare.org/stepan-a/benchmark-pfm
diff --git a/src b/src
new file mode 160000
index 0000000000000000000000000000000000000000..b3d5832a4939a8a6d83e7b85dd4b7b8311e16683
--- /dev/null
+++ b/src
@@ -0,0 +1 @@
+Subproject commit b3d5832a4939a8a6d83e7b85dd4b7b8311e16683