[TUHS] Lorinda Cherry
Andy Kosela
akosela at andykosela.com
Thu Feb 17 20:24:14 AEST 2022
On Wed, Feb 16, 2022 at 11:42 PM Andrew Diller <dillera at gmail.com> wrote:
>
>
>
> > On Feb 16, 2022, at 5:27 PM, Dave Horsfall <dave at horsfall.org> wrote:
> >
> > On Wed, 16 Feb 2022, Leah Neukirchen wrote:
> >
> >> Apparently it was a popular benchmark back in the day:
> >> https://www.tuhs.org/Archive/Documentation/AUUGN/AUUGN-V05.1.pdf
> >
> > Yep.
> >
> >>> The benchmark was "echo 99k2vp8opq I /bin/time dc > /dev/null’. It
> >>> uses dc (the desk calculator) to calculate the square root of 2 to 99
> >>> decimal places,
> >
>
> I tried that on some of the systems I have at hand. It didn't even register on my Mac....
This would be more appropriate on modern machines:
moon $ sysctl machdep.cpu.brand_string; echo 9999k2vp8opq | time -p dc
> /dev/null
machdep.cpu.brand_string: Intel(R) Core(TM) i5-4258U CPU @ 2.40GHz
real 1.87
user 1.87
sys 0.00
--Andy
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