diff --git a/Documentation/performance-reverse.txt b/Documentation/performance-reverse.txt
new file mode 100644
index 0000000..a6df86c
--- /dev/null
+++ b/Documentation/performance-reverse.txt
@@ -0,0 +1,8 @@
+Results from benchmark-reverse.bash
+
+VERSION      LS     CAT    ENV
+-------      ---    ----   ---
+v1.3         2.1    19.9   Go 1.9.2
+v1.4         2.1    18.2
+
+(seconds)