summaryrefslogtreecommitdiff
path: root/node/Hashtable.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'node/Hashtable.hpp')
-rw-r--r--node/Hashtable.hpp7
1 files changed, 1 insertions, 6 deletions
diff --git a/node/Hashtable.hpp b/node/Hashtable.hpp
index c46ed68f..b702f608 100644
--- a/node/Hashtable.hpp
+++ b/node/Hashtable.hpp
@@ -374,12 +374,7 @@ private:
}
static inline unsigned long _hc(const uint64_t i)
{
- /* NOTE: this assumes that 'i' is evenly distributed, which is the case for
- * packet IDs and network IDs -- the two use cases in ZT for uint64_t keys.
- * These values are also greater than 0xffffffff so they'll map onto a full
- * bucket count just fine no matter what happens. Normally you'd want to
- * hash an integer key index in a hash table. */
- return (unsigned long)i;
+ return (unsigned long)(i ^ (i >> 32)); // good for network IDs and addresses
}
static inline unsigned long _hc(const uint32_t i)
{