On Fri, May 05, 2023 at 09:57:47PM +0000, Bernd Schubert wrote: > Hi Ming, > > On 4/29/23 04:18, Ming Lei wrote: > > Hello, > > > > ublk zero copy is observed to improve big chunk(64KB+) sequential IO performance a > > lot, such as, IOPS of ublk-loop over tmpfs is increased by 1~2X[1], Jens also observed > > that IOPS of ublk-qcow2 can be increased by ~1X[2]. Meantime it saves memory bandwidth. > > > > So this is one important performance improvement. > > > > So far there are three proposal: > > looks like there is no dedicated session. Could we still have a > discussion in a free slot, if possible? Sure, and we can invite Pavel to the talk too if he is in this lsfmm. thanks, Ming
