3 ms·
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.
by fpoling 10y ago
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.
- njs12345 10y agoThat sounds interesting - have you got any more details on exactly how they set this up?
- gravypod 10y agoYou 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 https://dzone.com/articles/understanding-sunmiscunsafe
- fpoling 10y agoA person on a conference has not mentioned details. The reason for Java is productivity and access to a bigger pool of developers.