cache pipeline selection

[wyfo]

supersede #1880 and #1879

[github-actions[bot]]

PR missing one of the required labels: {'documentation', 'dependencies', 'bug', 'enhancement', 'internal', 'new feature', 'breaking-change'}

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71.27%. Comparing base (1a10597) to head (187c512). Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1888      +/-   ##
==========================================
+ Coverage   71.18%   71.27%   +0.08%     
==========================================
  Files         364      364              
  Lines       65647    65666      +19     
==========================================
+ Hits        46733    46803      +70     
+ Misses      18914    18863      -51     

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[yellowhatter]

@fuzzypixelz

[fuzzypixelz]

@wyfo @yellowhatter Can you provide any performance data?

[yellowhatter]

@wyfo @yellowhatter Can you provide any performance data?

on my machine for 8-byte payload this improves perf 4.9 -> 5.3 M messages per second.