On Sat, 5 Jul 2025 17:36:08 +0000 "Lombardo, Ed" <ed.lomba...@netscout.com> wrote:
> Hi Stephen, > I saw your response to more mempools and cache behavior. > > I have a goal to support 2x100G next, and if I can't get 10G with DPDK then > something is seriously wrong. > > Should I build the dpdk static libraries with LTO? > > Thanks, > Ed > > -----Original Message----- > From: Stephen Hemminger <step...@networkplumber.org> > Sent: Friday, July 4, 2025 10:50 AM > To: Ivan Malov <ivan.ma...@arknetworks.am> > Cc: Lombardo, Ed <ed.lomba...@netscout.com>; users <users@dpdk.org> > Subject: Re: dpdk Tx falling short > > External Email: This message originated outside of NETSCOUT. Do not click > links or open attachments unless you recognize the sender and know the > content is safe. > > On Fri, 4 Jul 2025 15:44:50 +0400 (+04) > Ivan Malov <ivan.ma...@arknetworks.am> wrote: > > > Hi Ed, > > > > You say there is only one mempool. Why? > > Have you tried using dedicated mempools, one per each port pair (0,2), > > (3,4)? > > > > Thank you. > > > > On Thu, 3 Jul 2025, Lombardo, Ed wrote: > > More mempools can make cache behavior worse not better. Your best bet is to use tools like perf to profile cache misses.
