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56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
## Measure The Current Compiler
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Zerolang benchmarks are regression signals for the current compiler. They are not broad
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marketing claims. Use them to compare graph inputs, artifact sizes, build time,
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startup/runtime behavior, and memory use across changes.
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Run:
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```sh
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pnpm run bench
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```
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Outputs:
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```sh
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.zero/bench/latest.json
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.zero/bench/trends/latest.json
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.zero/bench/trends/summary.md
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```
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## Cases
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Current benchmark cases include:
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- `hello`, `add`, `structs`, `params`
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- `buffers`, `parser`, `codec`, `parse`
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- `slices`, `arena`, `fallibility`, `branches`
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- `module-package`, `rescue`
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- `fs-resource`, `mem-copy-fill`, `zero-hash`
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The Zero inputs live under `benchmarks/zero`. Host targets that cannot run a
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case report `skipped` with a reason instead of failing the entire benchmark.
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## Metrics
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Important fields:
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- `buildMs`
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- `runMs`
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- `runMinMs`
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- `runRuns`
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- `artifactBytes`
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- `compressedArtifactBytes`
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- `peakRssBytes`
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- `expectedStdout`
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- `outputMatches`
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## Options
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```sh
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ZERO_BENCH_RUNS=<n> pnpm run bench
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ZERO_BENCH_MODE=sandbox pnpm run bench
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```
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Use one run for smoke checks and more runs when comparing trends.
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