bun test: --timings for duration-balanced --shard/--parallel, docs for --parallel & --isolate - #36814

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Jarred-Sumner merged 10 commits into

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claude/bun-test-parallel-docs-timings

Aug 4, 2026

Commits on Aug 3, 2026

bun test: --timings/--update-timings for duration-balanced --shard and --parallel, docs for parallel/isolate
Jarred-Sumner
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acf4225
Address review: reserve a file per remaining shard, write empty table for empty shards, atomic timings write, JSON diagnostics, skip loading in workers
Jarred-Sumner
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1252f99
timings: always write the merged table so later --shard reads stay consistent; steal by remaining time and take the victim's slowest file; write timings on the abort path
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test: assert the merged-table property directly instead of chaining a second shard off a rewritten file
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docs: qualify chunk locality wording; write merged timings via tmp + rename
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bun test: accept --timings more than once and merge them; --update-timings writes the first and records an `updated` list so per-shard files merge order-independently
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timings: treat `updated: []` as 'nothing measured' rather than absent; create the timings file's parent directory; assert exit codes in merge-order test
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timings: drop `updated`; under --shard, --update-timings writes only the files that shard ran, and multiple --timings inputs are read as a plain union
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bun test --parallel --no-isolate: let a worker keep one global/module registry across its files; docs: large-codebases section and 2000-file bun/jest/vitest comparison; bench: preload + 2000-file d…
Jarred-Sumner
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ca704be

Commits on Aug 4, 2026

bench: scope app suite configs (bunfig/jest/vitest + preload) under bench/test/app so sibling suites are unaffected; rename generated files to inventory*; docs: move Large codebases section to the …
Jarred-Sumner
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d313e37