25037732008

Committed 28 Apr 2026 06:33AM UTC coverage: 92.955% (-0.003%) from 92.958%

Build # 25037732008

Build Type

push

github

Committed by

web-flow

Commit Message

perf: Remove python coroutine/trampoline overhead in awaits for ~22% faster `dependencies` goal (#23268)

```console
 ➜  ✗ hyperfine --warmup 1 --command-name 'branch' 'PYENV_VERSION=pants@3.14.3                                     
  PANTS_SOURCE=<redacted>/code/pants pants --no-pantsd dependencies ::' --command-name 'main' 'PYENV_VERSION=pants@3.14.3 PANTS_SOURCE=/tmp/pants-main pants --no-pantsd dependencies ::'    
  Benchmark 1: branch                                                                                                                                                                          
    Time (mean ± σ):     25.094 s ±  0.306 s    [User: 30.610 s, System: 8.516 s]                                                                                                              
    Range (min … max):   24.775 s … 25.564 s    10 runs                                                                                                                                        
                                                                                                                                                                                               
  Benchmark 2: main                                                                                                                                                                            
    Time (mean ± σ):     32.304 s ±  0.183 s    [User: 37.097 s, System: 11.844 s]                                                                                                             
    Range (min … max):   32.008 s … 32.614 s    10 runs                                                                                                                                        
                                                                                                                                                                                               
  Summary                 ... (continued)

Coverage Stats

34 of 40 new or added lines in 4 files covered. (85.0%)

4 existing lines in 2 files now uncovered.

91823 of 98782 relevant lines covered (92.96%)

3.72 hits per line

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73.53

/src/python/pants/engine/internals/selectors.py

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