Re: [PATCH v2 0/5] Add support for specifying ramp up period by amount of IO
Vincent Fu <[email protected]> Wed, 7 Jan 2026 16:26:05 -0500
| Newsgroups | org.kernel.vger.fio |
|---|---|
| Message-ID | <CAOp=CX=rVNLmxde-L34D=e7gL2a8f1EhbhcwY0UOgJsZr-in7w@mail.gmail.com> |
On Wed, Jan 7, 2026 at 12:03 PM Jan Kara <[email protected]> wrote: > > <snip> > > Thanks for reporting. I had a look and on my machine it actually improves > reported performance levels: > > AVG STDDEV > old 50818766.4 845445.763 > new 54965054.6 1113699.088 > > But IMHO this is mostly just a benchmarking noise due to changes in code > alignment wrt caches and possibly data structure alignment as well. Just if > I do two compilations of the same sources I get easily a difference in > averages ~2 million ops (i.e., ~4%). So at this point I don't think it's > really worth it to worry about... > > Honza Thanks. I tried on a second system and found no difference. Applied. Vincent