RE: memif insufficient padding

2024-08-29 Thread Morten Brørup
> From: Mattias Rönnblom [mailto:hof...@lysator.liu.se] > > On 2024-08-28 23:04, Morten Brørup wrote: > > Jakub, > > > > While browsing virtual interfaces in DPDK, I noticed a possible performance > issue in the memif driver: > > > > If "head" and "tail" are accessed by different lcores, they are

Re: memif insufficient padding

2024-08-29 Thread Mattias Rönnblom
On 2024-08-28 23:04, Morten Brørup wrote: Jakub, While browsing virtual interfaces in DPDK, I noticed a possible performance issue in the memif driver: If "head" and "tail" are accessed by different lcores, they are not sufficiently far away from each other (and other hot fields) to prevent f