diff --git a/benchmarks/foldl/linear20.erb.cpp b/benchmarks/foldl/linear20.erb.cpp
new file mode 100644
index 000000000..125cdb946
--- /dev/null
+++ b/benchmarks/foldl/linear20.erb.cpp
@@ -0,0 +1 @@
+<%= render('_unroll_linear.erb', unroll: 20) %>
\ No newline at end of file