Add new Splay benchmark to the V8 benchmark suite and remove...

benchmarks/README.txt

Index: benchmarks/README.txt
===================================================================
--- benchmarks/README.txt	(revision 1898)
+++ benchmarks/README.txt	(working copy)
@@ -40,3 +40,15 @@
 loading each page.  Finally the literal letters in the data are
 encoded using ROT13 in a way that does not affect how the regexps
 match their input.
+
+
+Changes from Version 3 to Version 4
+===================================
+
+The Splay benchmark is a newcomer in version 4.  It manipulates a
+splay tree by adding and removing data nodes, thus exercising the
+memory management subsystem of the JavaScript engine.
+
+Furthermore, all the unused parts of the Prototype library were
+removed from the RayTrace benchmark. This does not affect the running
+of the benchmark.