The IBM J9 VM already has them.
http://duimovich.blogspot.ca/2012/11/packed-objects-in-java....
http://www.slideshare.net/mmitran/ibm-java-packed-objects-mm...
The IBM J9 VM already has them.
http://duimovich.blogspot.ca/2012/11/packed-objects-in-java....
http://www.slideshare.net/mmitran/ibm-java-packed-objects-mm...