+---------------------------------+---------------+---------------+---------------+-----------------+
| Test Case                       |         20.11 |         21.02 |         21.08 |            Diff |
+---------------------------------+---------------+---------------+---------------+-----------------+
| 64b-4t2c-eth-l2xcbase-testpmd   | 15.11 +- 0.39 | 14.71 +- 0.33 | 30.22 +- 0.13 | +105.44 +- 4.64 |
| imix-4t2c-ethip4-ip4base-l3fwd  |  16.3 +-  0.0 | 14.95 +- 0.03 | 14.97 +- 0.03 |   +0.11 +- 0.29 |
| imix-4t2c-eth-l2xcbase-testpmd  |  16.3 +-  0.0 | 14.95 +- 0.03 | 14.96 +- 0.03 |   +0.08 +- 0.28 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.92 +-  0.0 |  3.92 +- 0.01 |  3.92 +-  0.0 |   +0.02 +- 0.17 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.92 +-  0.0 |  3.92 +-  0.0 |  3.92 +-  0.0 |   -0.03 +- 0.16 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.77 +- 0.04 |  36.9 +- 0.06 | 36.88 +- 0.08 |   -0.05 +- 0.26 |
+---------------------------------+---------------+---------------+---------------+-----------------+

20.11, 21.02, 21.08 - DPDK versions tested.
Diff - difference between 21.02 and 21.08 DPDK version.