High performance java

High Performance

Javasource: http://www.flickr.com/photos/katemonkey/122489910/

Who are we?

Peter Lawreyhttp://[email protected]

Attila Balázshttp://[email protected]

Can you write fast Java code?

Can you write fast Java code?

Yes.

HintsIn three bulletpoints or less

●GC tuning: the good die young

●Use a CPU and memory profiler

●Mechanical Sympathy○Don't produce garbage○Prefer primitives○Know thy hardware!

Thy hardware (haswell)

source: Intel

Thy hardware

source: http://mechanical-sympathy.blogspot.com/2013/02/cpu-cache-flushing-fallacy.html

ResourcesVanilla JavaPerformance Java User's GroupOpenHFTMechanical SympathyFriends of jClarity

http://vanillajava.blogspot.com

http://vanillajava.blogspot.com

https://plus.google.com/u/2/communities/107178245817384004088

https://plus.google.com/u/2/communities/107178245817384004088

https://github.com/OpenHFT

https://github.com/OpenHFT

https://groups.google.com/forum/#!forum/mechanical-sympathy

https://groups.google.com/forum/#!forum/mechanical-sympathy

http://www.jclarity.com/friends/

http://www.jclarity.com/friends/

High performance java

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