Missing setup specification for: Test KIOXIA BG4 M.2 NVMe SSD

[EKinstler]

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During testing of the KIOXIA drive: https://github.com/geerlingguy/raspberry-pi-pcie-devices/issues/326

Test setup for how the nvme drive was attached to the pi wasn't specified. I saw test setup was specified in some of the other tests such as https://pipci.jeffgeerling.com/cards_m2/samsung-980-nvme.html

Could you comment on the setup use for this test? I'm running the benchmarks on a CM4 carrier board of my own design which supports M.2 cards directly and I am getting (if I am readying things correctly) seemingly much better performance numbers but this could also just be a result in differences in PI specs and connections to the PI.

Benchmark	Result
fio 1M sequential read	417 MB/s
iozone 1M random read	342 MB/s
iozone 1M random write	324 MB/s
iozone 4K random read	40.35 MB/s
iozone 4K random write	76.80 MB/s