On 2022-Feb-16 17:40:18 -0500, Andrew Diller <dillera@gmail.com> wrote:
>> On Feb 16, 2022, at 5:27 PM, Dave Horsfall <dave@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....

Not only didn't it register on my Ryzen 3, it didn't even register on
2.11BSD running in simh on that box.

I did get a non-zero reading on an original RPi:
$ echo 99k2vp8opq | time dc > /dev/null
        0.13 real         0.10 user         0.02 sys

-- 
Peter Jeremy