17 Feb
2022
17 Feb
'22
4:40 a.m.
On Feb 16, 2022, at 5:27 PM, Dave Horsfall
<dave(a)horsfall.org> wrote:
On Wed, 16 Feb 2022, Leah Neukirchen wrote:
I tried that on some of the systems I have at hand. It didn't even register on my
Mac....
-------------------------------------------------
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@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@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
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,