On Sat, Mar 13, 2021 at 10:19 AM Pádraig Brady <[email protected]> wrote: > On 13/03/2021 16:13, Pádraig Brady wrote: > > FYI testing on an older i3-2310M system > shows the bottleneck is not near I/O (cat is much faster). > A 500MiB file improves from 1.40s to 0.67s on the i3-2310M. > > $ time src/cksum file.in > 3404199294 524288000 file.in > real 0m0.672s > user 0m0.584s > sys 0m0.084s > > I'm also considering applying the attached > to add a --debug option (present on a few other coreutils), > which will diagnose the implementation used > (since it's build time and run time variable).
I like the new option, and the patch looks fine. I assume you'll mention the addition in NEWS.
