JEP 516 – Load cached Java objects in GC-agnostic format

Enhance the ahead-of-time cache, which enables the HotSpot Java Virtual Machine to improve startup and warmup time, so that it can be used with any garbage collector, including the low-latency Z Garbage Collector (ZGC). Achieve this by making it possible … Read more

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Java – Project Lilliput

In 64-bit Hotspot, Java objects have an object header of 128 bits: a 64 bit multi-purpose header (‘mark’ or ‘lock’) word and a 64-bit class pointer. With typical average object sizes of 5-6 words, this is quite significant: 2 of those words are al... (more…)

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