On Fri, Dec 27, 2024 at 10:16:42AM +0800, Huang, Ying wrote: > Gregory Price <gourry@xxxxxxxxxx> writes: > > > On Sun, Dec 22, 2024 at 03:09:44PM +0800, Huang, Ying wrote: > >> Gregory Price <gourry@xxxxxxxxxx> writes: > >> > That's 3-6% performance in this contrived case. > >> > >> This is small too. > >> > > > > Small is relative. 3-6% performance increase across millions of servers > > across a year is a non trivial speedup for such a common operation. > > If we cannot only get 3-6% performance increase in a micro-benchmark, > how much can we get from a real life workloads? > > Anyway, we need to prove the usefulness of the change via data. 3-6% > isn't some strong data. > > Can we measure the largest improvement? For example, run the benchmark > with all file pages in DRAM and CXL.mem via numa binding, and compare. > I can probably come up with something, will rework some stuff. ~Gregory
