Hi Mike,
Am 31.05.2012 07:19, schrieb mike.dui...@oracle.com:
Changeset: 43bd5ee0205e
Author:mduigou
Date: 2012-05-30 22:18 -0700
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/43bd5ee0205e
7126277: Alternative String hashing implementation
Summary: ... when the capacity of the
On 05/31/12 12:58, Mike Duigou wrote:
So couldn't method hash(Object) be moved to AbstractMap?
The differences in the avalanche (XOR scrambling) preclude this. It could be
decided for Java 8 to use a consistent scrambling implementation. I would
want to hear from Doug Lea whether he thinks this
On May 31 2012, at 01:40 , Ulf Zibis wrote:
> Hi Mike,
>
> some more questions:
>
> public class Hashmap {
> +int hash(Object k) {
> +int h = hashSeed;
> +if (k instanceof String) {
> +return ((String) k).hash32();
> +} else {
> +h ^= k.hashCode()
Hi Mike,
some more questions:
public class Hashmap {
+int hash(Object k) {
+int h = hashSeed;
+if (k instanceof String) {
+return ((String) k).hash32();
+} else {
+h ^= k.hashCode();
+}
+
+// This function ensures that hashCodes tha
Changeset: 43bd5ee0205e
Author:mduigou
Date: 2012-05-30 22:18 -0700
URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/43bd5ee0205e
7126277: Alternative String hashing implementation
Summary: All of the hashing based Map implementations: HashMap, Hashtable,
LinkedHashMap, WeakHashMap
