From a Tezro with a Seagate 10k RPM disk (link)
% diskperf -D -W -n "SGI ST373405LC" -r4k /d/test
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
4096 0.68 24.14 0.69 10.63 0.77 0.85
8192 1.34 41.86 1.40 15.25 1.49 1.69
16384 2.61 55.96 2.86 20.21 2.93 3.23
32768 4.99 55.86 6.03 23.73 5.52 6.21
65536 9.16 55.95 13.52 25.82 10.00 11.12
131072 15.76 55.96 17.73 33.44 17.12 18.39
262144 24.57 55.95 35.74 35.75 26.08 26.91
524288 34.13 55.96 35.81 35.78 35.08 36.09
1048576 42.37 55.93 45.24 45.09 42.87 40.09
2097152 48.08 55.94 52.06 50.99 48.19 47.95
4194304 51.76 55.94 52.09 52.10 51.25 50.33
The same Tezro with a Red Rock SCA disk (link)
% diskperf -D -W -n "Red Rock SCA + Intel DS3 S4510 960gb" -r4k /d/test
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
4096 13.00 14.16 13.04 12.20 13.30 11.30
8192 22.65 23.99 22.64 20.82 22.47 17.67
16384 34.49 36.52 34.64 26.70 34.37 24.39
32768 48.17 49.14 48.23 37.27 47.21 36.27
65536 58.34 58.49 58.34 44.17 58.91 46.39
131072 66.17 65.41 66.57 51.46 66.18 54.81
262144 70.92 69.49 70.72 67.99 70.54 67.33
524288 73.05 71.48 72.73 71.05 73.21 70.33
1048576 74.23 72.51 73.83 71.44 73.88 71.50
2097152 74.58 73.11 74.51 71.72 74.41 71.66
4194304 74.63 73.44 74.18 72.73 74.17 72.69
Acard ARS-2160H in a Fuel (link)
% diskperf -W -D -c4g -n "fuel/pink UW160 ACARD SSD" testfile
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name : fuel/pink UW160 ACARD SSD
# Test date : Wed May 19 20:31:02 2021
# Test machine : IRIX64 pink 6.5 07202013 IP35
# Test type : XFS data subvolume
# Test path : testfile
# Request sizes : min=16384 max=4194304
# Parameters : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 4294967296 bytes
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
16384 95.33 105.98 94.49 77.86 95.72 77.90
32768 137.80 151.31 137.15 119.21 137.45 117.97
65536 179.19 194.74 179.31 165.12 179.27 159.75
131072 210.06 225.61 210.19 204.37 210.19 198.17
262144 230.41 246.06 230.70 233.18 230.73 230.25
524288 243.69 258.75 243.31 251.31 242.97 250.27
1048576 250.07 265.13 249.99 261.13 250.03 260.76
2097152 253.42 268.48 253.62 266.65 253.55 266.26
4194304 254.82 270.33 255.29 269.36 255.19 269.29
Twin-SAS card with 4x striped spinning rust (link)
% diskperf -W -n "4 1tb spinners @ 2 SATA PCI-X cards" -c1g /disk1/testfile
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name : 4 1tb spinners @ 2 SATA PCI-X cards
# Test date : Sun Dec 11 09:29:14 2022
# Test machine : IRIX64 Tezro 6.5 07010238 IP35
# Test type : XFS data subvolume
# Test path : /disk1/testfile
# Request sizes : min=16384 max=33553920
# Parameters : direct=0 time=10 scale=1.000 delay=0.000
# XFS file size : 1106755584 bytes
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
16384 252.46 37.31 293.55 570.00 296.24 551.13
32768 269.91 77.77 302.32 513.31 339.62 505.11
65536 274.75 64.42 295.26 548.14 359.56 520.49
131072 295.33 203.06 294.34 526.65 348.71 553.96
262144 264.77 456.03 305.06 551.44 147.56 0.20
524288 269.97 208.16 302.63 547.56 357.46 556.81
1048576 129.33 98.86 304.82 549.57 367.19 591.66
2097152 235.85 532.45 301.33 541.30 179.75 26.62
4194304 238.36 213.22 306.17 537.70 370.55 584.39
8388608 227.37 200.95 283.90 524.06 361.64 572.74
16777216 249.13 287.07 256.06 297.52 222.93 297.77