ll_prof: Reduce profiling hooks overhead from >400% to 25%.

src/utils.h

Index: src/utils.h
diff --git a/src/utils.h b/src/utils.h
index b89f2849bfde4d5c2624d94bc14993291ac8608d..6f89766c16dcdc424f5b3e6f27017471f66c9035 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -251,6 +251,12 @@ static inline uint32_t ComputeIntegerHash(uint32_t key) {
 }
 
 
+static inline uint32_t ComputePointerHash(void* ptr) {

[mnaganov (inactive), 2011/04/29 14:20:28]

As we intend to deal with Addresses, maybe it's a good idea to use an Address
type here?

[Vitaly Repeshko, 2011/04/29 15:50:40]

Don't think so --- it'll require casting from everything that is not byte*.

+  return ComputeIntegerHash(
+      static_cast<uint32_t>(reinterpret_cast<intptr_t>(ptr)));
+}
+
+
 // ----------------------------------------------------------------------------
 // Miscellaneous