Computer scientists at MIT have developed a program called Helium that can automatically revamp and fine-tune old code, without needing the original source, in a matter of hours or even minutes.
...it has to process many trades with low latency. The system is built on the JVM platform and centers on a Business Logic Processor that can handle 6 million orders per second on a single thread. The Business Logic Processor runs entirely in-memory using event sourcing. The Business Logic Processor is surrounded by Disruptors - a concurrency component that implements a network of queues that operate without needing locks.
C. Koenig, and W. Sesink. Jahrbuch Medienpädagogik 9. Qualitätsentwicklung in der Schule und medienpädagogische Professionalisierung, VS Verlag, Wiesbaden, (2012)