On Fri, Sep 11, 2020 at 11:19 AM Ferruh Yigit <[email protected]> wrote:
>
> On 9/9/2020 4:53 PM, Lance Richardson wrote:
> > Increase the maximum supported burst size for the bnxt vector
> > mode PMD from 32 to 64.
>
> What is the motivation here? Like does it improve the performance? If so in
> which conditions etc.. It would be nice to describe the why & impact.
>
How about this:
net/bnxt: increase max burst size for vector mode
Increase the maximum supported burst size for the bnxt vector
mode PMD from 32 to 64. With larger burst sizes, per-burst
overhead is amortized over more packets, improving overall
performance. For small packets this has been measured to
provide a 4-10% increase in single-core throughput with
testpmd iofwd.
Thanks,
Lance
