On 22/03/2016 00:59, Emilio G. Cota wrote: > Good point. Most of my tests have been on x86-on-x86, and the > difference there (for many CPU-intensive benchmarks such as SPEC) was > negligible. > > Just tested the current master booting Alex' debian ARM image, without > LRU, and I see a 20% increase in boot time. > > I'll add per-bucket locks to keep the same behaviour without hurting > scalability.
You probably should skip the MRU move if the TB is not within the first N items of the list (e.g. N=4). Then you take the lock much less. Paolo
