+---------------------------------+-------------+-------------+-------------+-------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |        Diff |
+---------------------------------+-------------+-------------+-------------+-------------+
| 1518b-4t2c-eth-l2xcbase-testpmd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.8 +- 0.0 | 36.8 +- 0.0 | 36.8 +- 0.1 | +0.1 +- 0.2 |
| 64b-4t2c-eth-l2xcbase-testpmd   | 34.2 +- 0.1 | 34.2 +- 0.1 | 33.9 +- 0.1 | -1.0 +- 0.5 |
| imix-4t2c-eth-l2xcbase-testpmd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 15.0 +- 0.0 | -8.2 +- 0.0 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 15.0 +- 0.0 | -8.2 +- 0.1 |
+---------------------------------+-------------+-------------+-------------+-------------+

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