On 5/12/23 01:17, Pankaj Raghav wrote: >>> [1] Performance in KIOPS: >>> >>> | radix-tree | XArray | Diff >>> | | | >>> write | 315 | 313 | -0.6% >>> randwrite | 286 | 290 | +1.3% >>> read | 330 | 335 | +1.5% >>> randread | 309 | 312 | +0.9% >>> >> I've few concerns, can you please share the fio jobs that >> have used to gather this data ? I want to test it on my >> setup in order to provide tested-by tag. >> > That would be great. This is my fio job: > > $ modprobe brd rd_size=10485760 rd_nr=1 > $ fio --name=brd --rw=<type> --size=10G --io_size=100G --cpus_allowed=1 --filename=/dev/ram0 > --direct=1 --iodepth=64 --ioengine=io_uring --loop=8 > > I ran the above job four times and averaged it as I noticed some variance. I ran the test in QEMU > as we were using a block device where the backing storage lives in RAM. > Please also share the numbers on non-virtualized platform i.e. with not QEMU. -ck