> -----Original Message----- > From: Liang, Cunming > Sent: Friday, July 31, 2015 9:18 AM > To: dev at dpdk.org > Cc: Ananyev, Konstantin; Liang, Cunming > Subject: [PATCH v1] ixgbe: remove vector pmd burst size restriction > > The patch removes the restriction of burst size on a constant 32. > > On receive side, the burst size floor now aligns to RTE_IXGBE_DESCS_PER_LOOP > power of 2. > According to this rule, the burst size less than 4 still won't receive > anything. > (Before this change, the burst size less than 32 can't receive anything.) > > On transmit side, the max burst size no longer bind with a constant, however > it still > require to check the cross tx_rs_thresh violation. > > There's no obvious performance drop found on both recv_pkts_vec > and recv_scattered_pkts_vec on burst size 32. > > Signed-off-by: Cunming Liang <cunming.liang at intel.com> > ---
Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
