[TUHS] Lorinda Cherry

[Andrew Diller]

> 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....


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33 MHZ MIPS R3010
# echo 99k2vp8opq | /bin/time dc > /dev/null

real        0.4
user        0.3
sys         0.0
# uname -a
power power 3.3.2 12031609 IP7

-------------------------------------------------

900 MHZ MIPS R160000
$ echo 99k2vp8opq | /bin/time dc > /dev/null

real 0.009
user 0.003
sys  0.002
dillera at fuel ~ $ uname -a
IRIX64 fuel 6.5 07202013 IP35 mips IP35 Irix

-------------------------------------------------

3.5GHZ Xeon E5
$ echo 99k2vp8opq | time dc > /dev/null
        0.00 real         0.00 user         0.00 sys

dillera at trashcan ~ $ uname -a
Darwin trashcan 20.6.0 Darwin Kernel Version 20.6.0: root:xnu-7195.141.6~3/RELEASE_X86_64 x86_64

-------------------------------------------------


-andy