Automatic SMT threading for OpenMP applications on the Intel Xeon Phi co-processor
Wim Heirman, Trevor E. Carlson, Kenzo Van Craeynest, Ibrahim Hur, Aamer Jaleel, Lieven Eeckhout · 2014
Simultaneous multithreading is a technique that can improve performance when running parallel applications on the Intel Xeon Phi co-processor. Selecting the most efficient thread count is however non-trivial, as the potential increase in efficiency has to be balanced against other, potentially negative factors such as inter-thread competition for cache capacity and increased synchronization overheads.