On 3/23/22 1:45 PM, Mike Snitzer wrote: > Hi Jens, > > I ran with your suggestion and DM now sees a ~7% improvement in hipri > bio polling with io_uring (using dm-linear on null_blk, IOPS went from > 900K to 966K). > > Christoph, > > I tried to address your review of the previous set. Patch 1 and 2 can > obviously be folded but I left them split out for review purposes. > Feel free to see if these changes are meaningful for nvme's use. > Happy for either you to take on iterating on these block changes > further or you letting me know what changes you'd like made. Ran the usual peak testing, and it's good for about a 20% improvement for me. 5.6M -> 6.6M IOPS on a single core, dm-linear. -- Jens Axboe
