+---------------------------------+-------------+-------------+-------------+-------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |        Diff |
+---------------------------------+-------------+-------------+-------------+-------------+
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.9 +- 0.0 | 36.8 +- 0.0 | 36.9 +- 0.1 | +0.3 +- 0.2 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 | -0.0 +- 0.1 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 | -0.1 +- 0.1 |
| 64b-4t2c-eth-l2xcbase-testpmd   | 14.5 +- 0.3 | 15.1 +- 0.4 | 14.7 +- 0.3 | -2.7 +- 3.3 |
| imix-4t2c-eth-l2xcbase-testpmd  | 16.4 +- 0.0 | 16.3 +- 0.0 | 15.0 +- 0.0 | -8.3 +- 0.2 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 16.4 +- 0.0 | 16.3 +- 0.0 | 15.0 +- 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.