add extra note about tinycc
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5436 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/perf/README b/perf/README
index c092105..14cf7c8 100644
--- a/perf/README
+++ b/perf/README
@@ -58,6 +58,8 @@
Fabrice Bellard's TinyCC compiling itself multiple times.
- Strengths: A real program, lots of code (top 100 blocks only account for
47% of execution), involves large irregular data structures
- (presumably, since it's a compiler).
+ (presumably, since it's a compiler). Does lots of
+ malloc/free calls and so changes that make a big improvement
+ to perf/heap typically cause a small improvement.
- Weaknesses None, really, it's a good benchmark.