Lilliput on the horizon
summary
Lilliput (JEP 450) is presented as a JVM project aimed at reducing memory footprint; the talk explains concrete JVM engineering techniques used to save memory and how upgrading the JDK can yield memory as well as performance improvements. It discusses the Lilliput design and the specific tricks JVM engineers employ to economize memory on the Java platform.
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chapters (11)
- 0:00Welcome
- 2:29Project Lilliput description
- 3:36Object header problem
- 8:04Object header structure
- 12:09Pointer and header compression
- 16:27Lock optimization
- 20:13Mark Word state handling
- 23:27Object migration problem
- 26:04Future optimizations
- 31:07How to try the project
- 32:11Q&A
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