perf(core): reuse persistent worker subprocesses across translation units - #524

  1 files   -   1   20 suites   - 20   0s ⏱️ ±0s
474 tests ±  0  474 ✅ ±  0  0 💤 ±0  0 ❌ ±0 
474 runs   - 474  474 ✅  - 474  0 💤 ±0  0 ❌ ±0 

Results for commit 7655308. ± Comparison against earlier commit 1ae05b1.