Re:Rust vs C Pitfalls
by fpoling on Wednesday December 28, 2016 @06:48AM
(#13269929)
In some cases those HFT installations are tuned not to run full Java GC within 8 hours during the trading day. Then they are rebooted.
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That sounds interesting - have you got any more details on exactly how they set this up?
You can also use the Java Unsafe class to squeeze performance (every last bit) by recycling objects. I'm sad to say that I've had to do that at least once to make some vector math work.
Edit: Check out https://dzone.com/articles/understanding-sunmiscunsafe