Packed virtqueue performance
From KVM
Packed virtqueue performance results
This page is to share results of packed virtqueue implementations.
DPDK:
Jens: PVP setup as described in DPDK PVP reference document.
CPU: Intel(R) Xeon(R) CPU E5-2667 v4 @ 3.20GHz NICs: 2 XL710 NICs connected back-to-back. T-Rex as traffic generator. RHEL7.6, DPDK commit 1fd95c1
./binary-search.py --traffic-generator=trex-txrx --search-runtime=20 --validation-runtime=20 --rate-unit=mpps --rate=20 --run-bidirec=1 --run-revunidirec=0 --frame-size=64 --num-flows=1 --one-shot=0 --max-loss-pct=0.05
Packed virtqueues: RESULT: [ {
"rx_bandwidth": 10442536860.843485, "rx_packets": 311247037, "rx_pps": 15539489.376255184, "tx_bandwidth": 10442619999.325993, "tx_packets": 311249515, "tx_pps": 15539613.094235107, "tx_pps_target": 15576171.875
} , {
"rx_bandwidth": 10442079599.189692, "rx_packets": 311233408, "rx_pps": 15538808.927365614, "tx_bandwidth": 10442619999.325993, "tx_packets": 311249515, "tx_pps": 15539613.094235107, "tx_pps_target": 15576171.875
} ]
Split virtqueues: RESULT: [ {
"rx_bandwidth": 10444998619.78674, "rx_packets": 311141603, "rx_pps": 15543152.708015982, "tx_bandwidth": 10448621216.958544, "tx_packets": 311249515, "tx_pps": 15548543.47761688, "tx_pps_target": 15576171.875
} , {
"rx_bandwidth": 10448611448.11192, "rx_packets": 311249224, "rx_pps": 15548528.940642737, "tx_bandwidth": 10448621216.958544, "tx_packets": 311249515, "tx_pps": 15548543.47761688, "tx_pps_target": 15576171.875
} ]