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EIP 7870 disk benchmarks on jwasinger's VM
> fio --name=seq --filename=test --direct=1 --ioengine=libaio --iodepth=64 --bs=1M --size=4G --rw=readwrite
seq: (g=0): rw=rw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=64
fio-3.39
Starting 1 process
Jobs: 1 (f=1)
seq: (groupid=0, jobs=1): err= 0: pid=482744: Thu May 14 21:10:55 2026
read: IOPS=1460, BW=1460MiB/s (1531MB/s)(1992MiB/1364msec)
slat (nsec): min=3508, max=84750, avg=6132.80, stdev=5831.73
clat (usec): min=2396, max=44616, avg=13927.76, stdev=6337.88
lat (usec): min=2401, max=44622, avg=13933.89, stdev=6337.64
clat percentiles (usec):
| 1.00th=[ 3720], 5.00th=[ 6194], 10.00th=[ 7242], 20.00th=[ 9110],
| 30.00th=[10290], 40.00th=[11469], 50.00th=[12780], 60.00th=[14484],
| 70.00th=[15533], 80.00th=[17957], 90.00th=[21365], 95.00th=[26870],
| 99.00th=[36963], 99.50th=[41681], 99.90th=[41681], 99.95th=[44827],
| 99.99th=[44827]
bw ( MiB/s): min= 1348, max= 1578, per=100.00%, avg=1463.00, stdev=162.63, samples=2
iops : min= 1348, max= 1578, avg=1463.00, stdev=162.63, samples=2
write: IOPS=1542, BW=1543MiB/s (1617MB/s)(2104MiB/1364msec); 0 zone resets
slat (usec): min=15, max=221, avg=48.73, stdev=13.77
clat (usec): min=2751, max=66069, avg=28183.85, stdev=9943.96
lat (usec): min=2783, max=66123, avg=28232.58, stdev=9944.03
clat percentiles (usec):
| 1.00th=[10945], 5.00th=[14091], 10.00th=[16450], 20.00th=[20579],
| 30.00th=[22676], 40.00th=[24773], 50.00th=[26608], 60.00th=[28181],
| 70.00th=[31065], 80.00th=[35390], 90.00th=[42206], 95.00th=[46924],
| 99.00th=[57934], 99.50th=[58983], 99.90th=[64226], 99.95th=[64226],
| 99.99th=[66323]
bw ( MiB/s): min= 1418, max= 1620, per=98.48%, avg=1519.00, stdev=142.84, samples=2
iops : min= 1418, max= 1620, avg=1519.00, stdev=142.84, samples=2
lat (msec) : 4=0.68%, 10=12.96%, 20=38.84%, 50=45.51%, 100=2.00%
cpu : usr=7.34%, sys=1.61%, ctx=255, majf=0, minf=10
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.2%, 16=0.4%, 32=0.8%, >=64=98.5%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
issued rwts: total=1992,2104,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs):
READ: bw=1460MiB/s (1531MB/s), 1460MiB/s-1460MiB/s (1531MB/s-1531MB/s), io=1992MiB (2089MB), run=1364-1364msec
WRITE: bw=1543MiB/s (1617MB/s), 1543MiB/s-1543MiB/s (1617MB/s-1617MB/s), io=2104MiB (2206MB), run=1364-1364msec
Disk stats (read/write):
vda: ios=1755/1809, sectors=3454976/3530752, merge=0/0, ticks=23943/49233, in_queue=73176, util=82.44%
> fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.39
Starting 1 process
Jobs: 1 (f=1): [m(1)][100.0%][r=499MiB/s,w=167MiB/s][r=128k,w=42.7k IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=482797: Thu May 14 21:12:02 2026
read: IOPS=118k, BW=460MiB/s (482MB/s)(3070MiB/6676msec)
bw ( KiB/s): min=285288, max=520816, per=99.69%, avg=469410.46, stdev=74714.11, samples=13
iops : min=71322, max=130204, avg=117352.62, stdev=18678.53, samples=13
write: IOPS=39.3k, BW=154MiB/s (161MB/s)(1026MiB/6676msec); 0 zone resets
bw ( KiB/s): min=95024, max=174936, per=99.70%, avg=156897.23, stdev=25147.32, samples=13
iops : min=23756, max=43734, avg=39224.31, stdev=6286.83, samples=13
cpu : usr=11.07%, sys=41.26%, ctx=75673, majf=0, minf=9
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
issued rwts: total=785920,262656,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs):
READ: bw=460MiB/s (482MB/s), 460MiB/s-460MiB/s (482MB/s-482MB/s), io=3070MiB (3219MB), run=6676-6676msec
WRITE: bw=154MiB/s (161MB/s), 154MiB/s-154MiB/s (161MB/s-161MB/s), io=1026MiB (1076MB), run=6676-6676msec
Disk stats (read/write):
vda: ios=781636/261230, sectors=6253088/2089848, merge=0/1, ticks=295532/76827, in_queue=372360, util=58.49%
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