Hi Jiri, On Thu, Oct 8, 2020 at 6:07 PM Jiri Olsa <[email protected]> wrote: > > On Tue, Oct 06, 2020 at 02:40:32PM +0900, [email protected] wrote: > > This is the perf stat result: > > > > * Before > > > > 7,167,414,019 L1-dcache-loads > > 337,471,761 L1-dcache-read-misses # 4.71% of all > > L1-dcache hits > > > > 11.011224671 seconds time elapsed > > > > > > * After > > > > 7,075,556,792 L1-dcache-loads > > 771,810,388 L1-dcache-read-misses # 10.91% of all > > L1-dcache hits > > > > 17.015901863 seconds time elapsed > > > > > > Hmm.. it's a memory & time trade-off then. Maybe we need a switch to > > select which one? > > I'd keep the faster one ;-) so the one before
Yeah, it's hard to argue when it slows things down much. But I'd like to note that memory consumption also can be a big issue in some environments. I'll bring this back later.. Thanks Namhyung
