[global]
filename=/dev/nvme1n1
direct=1
size=1g
stonewall
rw=read

offset=80%
bs=8m

[psync]
ioengine=psync

[libaio]
ioengine=libaio
iodepth=1

[libaio-iod32]
ioengine=libaio
iodepth=32

[libaio-iod64]
ioengine=libaio
iodepth=64

[libaio-iod128]
ioengine=libaio
iodepth=128

[fastest]
ioengine=libaio