On Tue, 14 Nov 2017, Linus Torvalds wrote: > On Tue, Nov 14, 2017 at 2:47 PM, Rafael J. Wysocki <r...@rjwysocki.net> wrote: > > > > So what about the one below? It works for me as expected. > > Can somebody with 100+ cores test this? Ingo? You had a 160 core > machine that took forever, didn't you..
On a 144 CPUs machine: time cat /proc/cpuinfo >/dev/null Current head: real 0m0.003s user 0m0.000s sys 0m0.002s Current head + Raphaels patch: real 0m0.029s user 0m0.000s sys 0m0.010s So that patch is actually slower. Thanks, tglx