Desktop SSD upgrade benchmarking

results.md

Using commands from https://askubuntu.com/a/991311

Both running on a Lenovo m720s SFF, through the m.2 PCIe 3.0 x4 interface.

Crucial P1 1TB 3D NAND

Sequential READ speed with big blocks:

READ: bw=1919MiB/s (2012MB/s), 1919MiB/s-1919MiB/s (2012MB/s-2012MB/s), io=10.0GiB (10.7GB), run=5336-5336msec

Sequential WRITE speed with big blocks:

WRITE: bw=1904MiB/s (1997MB/s), 1904MiB/s-1904MiB/s (1997MB/s-1997MB/s), io=10.0GiB (10.7GB), run=5377-5377msec

Random 4K read QD1:

READ: bw=60.5MiB/s (63.5MB/s), 60.5MiB/s-60.5MiB/s (63.5MB/s-63.5MB/s), io=3633MiB (3809MB), run=60001-60001msec

Mixed random 4K read and write QD1 with sync:

READ: bw=1601KiB/s (1639kB/s), 1601KiB/s-1601KiB/s (1639kB/s-1639kB/s), io=93.8MiB (98.4MB), run=60001-60001msec

WRITE: bw=1594KiB/s (1633kB/s), 1594KiB/s-1594KiB/s (1633kB/s-1633kB/s), io=93.4MiB (98.0MB), run=60001-60001msec

Samsung 980 PRO MZ-V8P1T0BW

Sequential READ speed with big blocks:

READ: bw=3317MiB/s (3478MB/s), 3317MiB/s-3317MiB/s (3478MB/s-3478MB/s), io=10.0GiB (10.7GB), run=3087-3087msec

Sequential WRITE speed with big blocks:

WRITE: bw=3078MiB/s (3227MB/s), 3078MiB/s-3078MiB/s (3227MB/s-3227MB/s), io=10.0GiB (10.7GB), run=3327-3327msec

Random 4K read QD1:

READ: bw=68.6MiB/s (71.9MB/s), 68.6MiB/s-68.6MiB/s (71.9MB/s-71.9MB/s), io=4117MiB (4317MB), run=60001-60001msec

Mixed random 4K read and write QD1 with sync:

READ: bw=390KiB/s (400kB/s), 390KiB/s-390KiB/s (400kB/s-400kB/s), io=22.9MiB (24.0MB), run=60007-60007msec

WRITE: bw=394KiB/s (404kB/s), 394KiB/s-394KiB/s (404kB/s-404kB/s), io=23.1MiB (24.2MB), run=60007-60007msec