On Thu, 26 Feb 2026 11:16:25 -0800 Long Li <[email protected]> wrote:
> Reduce the UDP source port OR-mask from 0xC0 to 0xF0, lowering > unique high-byte values from 64 to 16 (16 unique ports per lcore). > > Modern SmartNICs rarely need more than 16 queues to saturate RX, > and excessive unique ports can exhaust hardware flow caching, > degrading performance. > > Unique source ports by lcore count: > 1: 16, 2: 32, 4: 64, 8: 128, 16: 256 > > Signed-off-by: Long Li <[email protected]> > --- Make sense to make this less spread out. I wonder if this should be a parameter to allow for testing different spreads?

