+---------------------------------+-------------+-------------+-------------+--------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |         Diff |
+---------------------------------+-------------+-------------+-------------+--------------+
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 |  +0.3 +- 0.5 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.6 +- 0.0 | 36.6 +- 0.0 | 36.6 +- 0.0 |  +0.0 +- 0.1 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 |  -0.1 +- 0.5 |
| 64b-4t2c-eth-l2xcbase-testpmd   | 13.8 +- 0.4 | 13.9 +- 0.2 | 13.8 +- 0.3 |  -0.7 +- 2.6 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 16.4 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 |  -8.8 +- 0.2 |
| imix-4t2c-eth-l2xcbase-testpmd  | 14.3 +- 1.9 | 15.8 +- 1.2 | 13.3 +- 0.8 | -16.2 +- 8.0 |
+---------------------------------+-------------+-------------+-------------+--------------+

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