CFV: New Project: Lilliput

Magnus Ihse Bursie magnus.ihse.bursie at
Tue Mar 16 18:08:52 UTC 2021

Vote: yes


On 2021-03-16 14:31, Roman Kennke wrote:
> I hereby propose the creation of the Lilliput Project with
> Roman Kennke as the Lead and Hotspot as the sponsoring
> Group(s).
> Lilliput's primary goal is to explore techniques to downsize Java 
> object headers in the Hotspot JVM from currently 128 bits to 64 bits 
> or even less. This will reduce Java's memory footprint and we expect 
> it to also improve performance across most if not all workloads.
> Roman Kennke is a long-time OpenJDK contributor. He started 
> contributing to Swing and Java2D in 2007 and co-lead the Caciocavallo 
> project (now de-funct), contributed to Thermostat, and also worked on 
> Zero interpreter and Shark compiler. His primary occupation since 2013 
> is the Shenandoah GC project, which produced the JEP 304: Garbage 
> Collection Interface and JEP 189: JEP 189: Shenandoah: A 
> Low-Pause-Time Garbage Collector.
> Suggested initial committers: John Rose, Dave Dice, Andrew Dinn, 
> Andrew Haley, Erik Österlund, Aleksey Shipilev, Coleen Phillimore, 
> Stefan Karlsson, Per Liden, Thomas Stuefe, Gil Tene, David Holmes, Kim 
> Barrett, Thomas Schatzl
> Votes are due by March, 31st, 2021.
> Only current OpenJDK Members [1] are eligible to vote on this
> motion.  Votes must be cast in the open on the discuss list.
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> For Lazy Consensus voting instructions, see [2].
> Roman Kennke
> [1]
> [2]

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