+---------------------------------+---------------+---------------+---------------+-----------------+
| Test Case                       |         20.11 |         21.02 |         21.08 |            Diff |
+---------------------------------+---------------+---------------+---------------+-----------------+
| 64b-4t2c-eth-l2xcbase-testpmd   | 14.54 +- 0.19 | 14.56 +- 0.13 | 30.88 +- 0.11 | +112.15 +- 2.01 |
| imix-4t2c-eth-l2xcbase-testpmd  | 13.63 +-  0.8 | 13.68 +- 1.03 |  15.0 +- 0.02 |   +9.63 +- 8.26 |
| imix-4t2c-ethip4-ip4base-l3fwd  |  16.3 +-  0.0 | 14.95 +- 0.03 |  15.0 +- 0.02 |   +0.35 +- 0.23 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.92 +- 0.01 |  3.92 +- 0.01 |  3.92 +-  0.0 |   +0.06 +- 0.18 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.96 +-  0.0 |  3.98 +-  0.0 |  3.98 +-  0.0 |    +0.0 +-  0.0 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 37.31 +-  0.0 |  37.5 +-  0.0 |  37.5 +-  0.0 |    +0.0 +-  0.0 |
+---------------------------------+---------------+---------------+---------------+-----------------+

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