Scalability of futex hash table collisions in the linux kernelblog.stgolabs.net2 points·by davidlohr·12 anni fa·0 comments
davidlohr·12 anni fa·discussMost of these optimizations imply scaling by number of cores. Thus the more cores (and thus sockets/NUMA nodes), the more the benefit. Desktop-ish systems with ~4 cores don't see much gain, but nor did we introduce performance degradations.