On 03/03/2022 12:11, Nick Holland wrote:
> really, your best benchmark is your work you need to do. But if you are
> looking for repeatable benchmarks, dd'ing FROM /dev/zero or TO /dev/null
> is a starting point (use a larger block size than the default -- "bs=1m"
> gives you easy to read info info out of "pkill -info dd", but also
> consider untaring ports.tar.gz or src.tar.gz.
>
I second that... "artificial" testing might even get worst results for
what your application really needs.
You should understand what the application does and make it repeat the
process several times during a long period... only after that you will
have a baseline to work on.
Only after that you can experiment with different configurations and see
if they are improving or reducing performance.
You might have to repeat this process several times to find the optimal
tuning.
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