+---------------------------------+---------------+---------------+---------------+----------------+
| Test Case                       |         20.11 |         21.02 |         21.08 |           Diff |
+---------------------------------+---------------+---------------+---------------+----------------+
| 64b-2t1c-eth-l2xcbase-testpmd   | 29.23 +- 7.02 |  32.0 +- 8.55 | 33.33 +- 0.07 | +4.16 +- 27.82 |
| 1518b-2t1c-ethip4-ip4base-l3fwd |   3.9 +- 0.01 |  3.89 +- 0.01 |   3.9 +-  0.0 | +0.28 +-  0.27 |
| imix-2t1c-ethip4-ip4base-l3fwd  |  16.3 +-  0.0 | 14.86 +- 0.03 | 14.88 +- 0.03 | +0.13 +-  0.29 |
| imix-2t1c-eth-l2xcbase-testpmd  |  16.3 +-  0.0 | 14.86 +- 0.02 | 14.87 +- 0.04 | +0.09 +-  0.31 |
| 9000b-2t1c-eth-l2xcbase-testpmd |  0.66 +-  0.0 |  0.67 +-  0.0 |  0.66 +-  0.0 | -0.14 +-  0.19 |
| 9000b-2t1c-ethip4-ip4base-l3fwd |  0.66 +-  0.0 |  0.66 +-  0.0 |  0.66 +-  0.0 | -0.14 +-  0.25 |
| 1518b-2t1c-eth-l2xcbase-testpmd |   3.9 +-  0.0 |   3.9 +-  0.0 |  3.89 +- 0.01 | -0.38 +-  0.19 |
| 64b-2t1c-ethip4-ip4base-l3fwd   | 36.94 +-  0.0 | 36.94 +-  0.0 | 35.92 +- 0.05 | -2.75 +-  0.13 |
+---------------------------------+---------------+---------------+---------------+----------------+

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