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Claude
7c3c59f5f8
Target selection (SPEC §6): comrak 0.53.0 (45c1995, BSD-2-Clause) and tokei 14.0.0 (fa44e51, MIT/Apache-2.0); both CPU-bound with pinned corpora (progit book 11MB; 8x replicated pinned trees, 221MB) and committed MANIFEST.sha256 + golden-output pins + regen scripts. Calibration: A/A null verdicts on both real workloads; taskset -c 2 pinning tightens the A/A CI from [0.938, 1.008] to [0.993, 1.008], making the 2% accept threshold meaningful in this container. Profiles (callgrind; perf unavailable): comrak allocator symbols 26.7% of Ir; tokei perform_multi_line_analysis 31.7%. Attempts (ledger + results/phase0/): - comrak class-1 target-cpu=native: null [0.983, 1.011], rejected-bench - comrak class-2 mimalloc swap: +4.6% [1.033, 1.058], 848 upstream tests green, golden byte-identical, ASan-proper clean; LSan flags 484B in onig (reachability false-positive analysis in case study) -> needs-human-review per SPEC §8 - tokei class-1 fat LTO+cgu=1: +1.6% [1.003, 1.026], real but under the 2% bar, rejected-bench Also: ledger-cli for manual rows, targets/ excluded from trust-layer workspace, corpora/build artifacts gitignored, case study written. Phase 0 exit criteria (>=10% verified win) not yet met; next hypotheses logged in results/phase0/attempts.md. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EcKPWQ3MQD4NdEHwar96u2
34 lines
1.4 KiB
TOML
34 lines
1.4 KiB
TOML
# comrak — CommonMark + GFM parser/renderer (Rust)
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# Selection vs SPEC §6: CPU-bound parser; upstream spec test suite;
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# upstream-defined benchmark workload (benches/bench.sh, Pro Git book);
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# BSD-2-Clause; active, no dedicated perf team.
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[source]
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repo = "https://github.com/kivikakk/comrak.git"
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commit = "45c1995fe922b6d5782b971a377721f088025fc8" # v0.53.0
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license = "BSD-2-Clause"
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[source.submodules]
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# Upstream benchmark corpus (Pro Git book, all translations).
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"vendor/progit" = { repo = "https://github.com/progit/progit.git", commit = "61833a527c6ac0c44cc40793c034b81599c25efc" }
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[fetch]
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# targets/*/workspace is gitignored; reproduce it with:
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# git clone <repo> workspace && git -C workspace checkout <commit>
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# git clone <submodule repo> workspace/vendor/progit && git -C ... checkout <commit>
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[build]
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baseline = "cargo build --release --manifest-path workspace/Cargo.toml"
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binary = "workspace/target/release/comrak"
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[bench]
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# Upstream workload (benches/bench.sh): full Pro Git book through the
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# renderer, output discarded. Corpus pinned via corpora/comrak/MANIFEST.sha256.
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command = "cat corpora/comrak/progit.md | {binary} > /dev/null"
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workload = "Pro Git book, all translations, 11.0 MB concatenated markdown, single stream"
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[gates]
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tests = "cargo test --release --manifest-path workspace/Cargo.toml"
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# Golden replay: corpus through the binary, stdout must be byte-identical.
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golden = "cat corpora/comrak/progit.md | {binary}"
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