Better tuple hash function.

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index fe3da5576f54f21e69a51b8c5a842653345fcffe..fd53c300cb638b2821180f1a9419070fdcc14e44 100644 (file)
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -233,7 +233,7 @@ tuplehash(v)
                y = hashobject(*p++);
                if (y == -1)
                        return -1;
-               x = (x + x + x) ^ y;
+               x = (1000003*x) ^ y;
        }
        x ^= v->ob_size;
        if (x == -1)