On Thu, 2021-07-29 at 09:13 -0700, Bart Van Assche wrote: > > I measured the performance impact of patches 11 and 12 combined. In > > a 4 > > KB read IOPS test I see that these two patches combined improve > > performance by 1%. This illustrates that the two MMIO accesses of > > the > > UTRLCNR register are slower than the single MMIO access of the > > doorbell > > register. > > > A correction: I wanted to refer to the combination of patches 11 and > 13 > > instead of 11 and 12. > > > > Bart. Bart, thanks for your explanation. I tested this commit before, indeed there is performance improvement. Based on your comments, I will verify your statement. Bean
