Index: benchmark/ctxswitch/node_cor.js
===================================================================
--- benchmark/ctxswitch/node_cor.js	(revision c1dfa4e1998ac7bdd877a54a01b705fe98743346)
+++ benchmark/ctxswitch/node_cor.js	(revision ee06db5c9b28732fc10c936eac06983a9d5378db)
@@ -10,4 +10,8 @@
 }
 cor = coroutine()
+
+for ( var i = 0; i < times; i += 1 ) { // warm git
+	cor.next();
+}
 
 var hrstart = process.hrtime()