+---------------------------------+-------------+-------------+-------------+---------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |          Diff |
+---------------------------------+-------------+-------------+-------------+---------------+
| 64b-2t1c-eth-l2xcbase-testpmd   | 21.1 +- 7.6 | 20.0 +- 4.3 | 31.0 +- 5.8 | +54.6 +- 43.8 |
| 1518b-2t1c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 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 |
| 1518b-2t1c-eth-l2xcbase-testpmd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 |  +0.1 +-  0.3 |
| 64b-2t1c-ethip4-ip4base-l3fwd   | 37.3 +- 0.0 | 37.3 +- 0.0 | 37.3 +- 0.0 |  -0.0 +-  0.0 |
| 9000b-2t1c-eth-l2xcbase-testpmd |  0.7 +- 0.0 |  0.7 +- 0.0 |  0.7 +- 0.0 |  -0.1 +-  0.3 |
| imix-2t1c-eth-l2xcbase-testpmd  | 15.5 +- 0.8 | 15.2 +- 0.6 | 14.9 +- 0.0 |  -2.3 +-  3.9 |
| imix-2t1c-ethip4-ip4base-l3fwd  | 16.4 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 |  -8.8 +-  0.1 |
+---------------------------------+-------------+-------------+-------------+---------------+

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