Looking forward to some interesting projects in 2023
Loom: wiki.openjdk.org/display/loom/Main
Virtual tds
Ctructed concurrency
Scoped values
Spinning: 虚拟栈桢、同步、文件IO
Galahad: mail.openjdk.org/pipermail/discuss/2022-December/006164.html
Move Graal’s JIT to OpenJDK
Integrate into JDK repository(alternative to Hotspot JIT)
AOT-compile JIT
Leyden: openjdk.org/projects/leyden/
- 解决Java启动时间缓慢、性能达到峰值时间较慢以及占据空间大等问题，和Graal一样想从镜像入手
Panama: openjdk.org/projects/panama/
Vallaha: openjdk.org/projects/valhalla/
专注于原身API的改进
Valhalla: openjdk.org/projects/valhalla/
尝试将Hotspot对象头的大小从128或64bit减少至32bit，这将释放10%到20%的堆.