+---------------------------------+-------------+-------------+-------------+-------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |        Diff |
+---------------------------------+-------------+-------------+-------------+-------------+
| 64b-2t1c-eth-l2xcbase-testpmd   | 32.5 +- 0.3 | 32.5 +- 0.3 | 33.1 +- 0.2 | +2.0 +- 1.0 |
| 1518b-2t1c-eth-l2xcbase-testpmd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 1518b-2t1c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 9000b-2t1c-eth-l2xcbase-testpmd |  0.7 +- 0.0 |  0.7 +- 0.0 |  0.7 +- 0.0 | +0.5 +- 0.0 |
| 9000b-2t1c-ethip4-ip4base-l3fwd |  0.7 +- 0.0 |  0.7 +- 0.0 |  0.7 +- 0.0 | +0.5 +- 0.0 |
| 64b-2t1c-ethip4-ip4base-l3fwd   | 33.4 +- 0.2 | 33.4 +- 0.2 | 32.8 +- 0.2 | -1.6 +- 0.9 |
| imix-2t1c-ethip4-ip4base-l3fwd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 15.0 +- 0.0 | -8.2 +- 0.2 |
| imix-2t1c-eth-l2xcbase-testpmd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 | -8.3 +- 0.2 |
+---------------------------------+-------------+-------------+-------------+-------------+

20.08, 20.11, 21.02 - DPDK versions tested.
Diff - difference between 20.11 and 21.02 DPDK version.