Seeing multiple claims to provide the fastest, best performing, lowest latency?
Others claim all of the above but they can't all be true.
All OnixS FIX Engine implementations include benchmark samples with associated source code. We take the view that the only performance metrics that matter are those you see within your own target context. So we make it easy for you to run those benchmarks out-of-the box, with source code so you can see what is happening, and adapt it to your own context as needed...
For details on performance tuning - see the online Programming Guide Best Practices here