performance-enhancements-7.html

Tiered Compilation Compressed Oops Zero-Based Compressed Oops Escape Analysis NUMA Collector Enhancements Tiered Compilation Tiered compilation, introduced in Java SE 7, brings client startup speeds to the server VM. Normally, a server VM uses the interpreter to collect profiling information about methods that is fed into the compiler. In the tiered scheme, in addition to the interpreter, the clie

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HotSpot Performance Enhancements