On 2025/11/19 08:28, Alexei Starovoitov wrote: > On Tue, Nov 18, 2025 at 4:36 AM Menglong Dong <[email protected]> > wrote: > > > > As we can see above, the performance of fexit increase from 80.544M/s to > > 136.540M/s, and the "fmodret" increase from 78.301M/s to 159.248M/s. > > Nice! Now we're talking. > > I think arm64 CPUs have a similar RSB-like return address predictor. > Do we need to do something similar there? > The question is not targeted to you, Menglong, > just wondering.
I did some research before, and I find that most arch have such RSB-like stuff. I'll have a look at the loongarch later(maybe after the LPC, as I'm forcing on the English practice), and Leon is following the arm64. For the other arch, we don't have the machine, and I think it needs some else help. Thanks! Menglong Dong > >
