10 // Alternative Note for 1st Bullet when bad microcode Skx, Clx results are published
12 L3fwd throughput drop in the current release in comparison to previous
13 releases **on Intel Xeon 2n-skx, 3n-skx and 2n-clx testbeds**: L3fwd
14 performance test data shows lower performance and behaviour
15 inconsistency of these systems following the recent upgrade of
16 processor microcode packages (skx ucode 0x2000064, clx ucode
17 0x500002c) as part of updating Ubuntu 18.04 LTS kernel version.
18 Tested VPP and DPDK applications (L3fwd) are affected. Skx and Clx
19 test data will be corrected in subsequent maintenance report
20 version(s) once the issue is resolved. See :ref:`vpp_known_issues`.
24 current_vs_previous_release
25 2n-skx_vs_2n-clx_testbeds
26 3n-skx_vs_3n-hsw_testbeds
27 3n-skx_vs_2n-skx_testbeds