On 2021/07/23 11:13, Christopher Sean Hilton wrote: > On Fri, Jul 23, 2021 at 10:04:25AM -0000, Stuart Henderson wrote: > > On 2021-07-22, Sebastian Benoit <[email protected]> wrote: > > [ ...snip ] > > > > > > > The IO paths of those Atoms are slow. Disk IO is also lacking. > > > > The D525, yes. > > > > The C2758 should cope with much more than 650-700Mb/s though maybe > > not with OpenBSD as-is, they're not as good as the Xeon D (especially > > single-threaded performance) but they are still pretty capable. > > > > If I was running into a performance wall with C2758 I'd add a NIC with > > a driver that already supports multiple queues (ix is probably most > > common, em doesn't have this yet) and see gow things go with the > > "forwarding in parallel" diffs over on tech@. > > > > I'll upgrade the NIC in the C2758 and retest. > > Thank you very much for your help.
btw it's specifically those diffs with a nic with a multiqueue driver that might help, changing the nic by itself /probably/ won't make a huge difference. (If I've got it right, grepping drivers for pci_intr_establish_cpu should find those with multiqueue; currently the list looks to be bnxt ix ixl mcx vmx).
