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Posted Jun 19, 2010 5:34 UTC (Sat) by jonabbey (guest, #2736)
In reply to: Pauses by flewellyn
Parent article: The Managed Runtime Initiative

And so do Java VMs.

Modern versions of the JDK really do have truly exceptional GC performance. Java 7 will feature a compacting, predictable delay time GC system that can take excellent advantage of many-core systems to provide great throughput.

With GC systems, there's a trade-off between speed of collection, CPU efficiency, and overall memory usage. Java allows these parameters to be tuned for a specific use case, but it is true that the default configuration tends to emphasize CPU efficiency over overall memory usage.

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