high performance java
Post on 14-Mar-2016
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High Performance
Javasource: http://www.flickr.com/photos/katemonkey/122489910/
Who are we?
Peter Lawreyhttp://vanillajava.blogspot.competer.lawrey@higherfrequencytrading.com
Attila Balázshttp://hype-free.blogspot.comdify.ltd@gmail.com
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
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