From cc053d449dadf55cdc9b750302134d1532b15d7a Mon Sep 17 00:00:00 2001
From: Brendan Zabarauskas <bjzaba@yahoo.com.au>
Date: Tue, 30 Oct 2012 12:35:39 +1000
Subject: [PATCH] Add description

---
 src/test/performance/vector_index_operator.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/test/performance/vector_index_operator.rs b/src/test/performance/vector_index_operator.rs
index 44ef57b..2d98bcb 100644
--- a/src/test/performance/vector_index_operator.rs
+++ b/src/test/performance/vector_index_operator.rs
@@ -1,3 +1,8 @@
+/**
+ * Index operator performance test. For best results, compile with the optimise
+ * flag (-O). It seems like VecBufSlice is the fastest version.
+ */
+
 extern mod std;
 use std::time::precise_time_ns;
 use cast::{reinterpret_cast, transmute};