When java heap is large and compressed oops can not be used we still can use compressed klass pointer if Perm Gen size < 4Gb.
I tried it some time ago but did not finish because it requires a lot of changes, almost duplication of code for compressed oops.
We can use this bug to implement compressed klass pointers when 6964458 is done.
I tried it some time ago but did not finish because it requires a lot of changes, almost duplication of code for compressed oops.
We can use this bug to implement compressed klass pointers when 6964458 is done.
- relates to
-
JDK-6964458 Reimplement class meta-data storage to use native memory
-
- Resolved
-
-
JDK-7054512 NPG: Compress class pointers after perm gen removal
-
- Resolved
-