Thread Affinity on Xeon-Phi

•    Compact – preserves locality but some physical cores end up with lots of work and some end up with none

•    Scatter – destroys locality but if < 60 virtual threads used is fine

•    Balanced – preserves locality and works for all thread counts


For more information visit:

• Thread Affinity - Intel Developer Zone (Compact and Scatter)
  

• Thread Affinity - Intel Developer Zone (Balanced)