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Claude
328aafae77
Commit the spec and scaffold the system it describes:
- SPEC.md: the full v0.1 engineering spec
- crates/: trust-layer Rust workspace, unit-tested
- bench-runner: interleaved ABAB scheduling with discarded warm-ups,
deterministic bootstrap CIs over the ratio of medians,
CI-lower-bound accept rule, env fingerprinting, and a CLI with
compare + A/A self-test modes (A/A verified passing end-to-end)
- diff-test: gate outcome model, sha256 corpus pin verifier that
refuses on mismatch, per-target equivalence policy parser
(byte-identical default, explicit fp-tolerance opt-in)
- ledger: append-only SQLite attempt schema with UPDATE/DELETE
refused by triggers, anti-double-attempt query
- report: cores-saved and dollars/yr ROI math over speedup CIs,
pricing.toml inputs
- playbook/: classes 1-7 with preconditions, procedure, verification
notes, and known failure modes per class
- agent/: Python package skeleton — six-tool contract and prompting
spine, harness IPC deferred to Phase 1
- config/: accept.toml (2% threshold, 30 runs/side), pricing.toml
- targets/, corpora/, results/calibration/: layout and policy docs
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EcKPWQ3MQD4NdEHwar96u2
26 lines
1.2 KiB
Markdown
26 lines
1.2 KiB
Markdown
# Optimization playbook v0
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Classes are tried in **strict order** (SPEC §4) — cheapest first. Classes
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1–2 are the "your 30% was a linker flag" tier and are always exhausted
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before any source change. Each class documents:
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- **Preconditions** — the profile signature that suggests it applies
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- **Procedure** — what to actually try, cheapest variant first
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- **Verification notes** — gate interactions specific to this class
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- **Known failure modes** — where this class produces fake wins or real bugs
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| # | Class | Touches source? | Human review? |
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|---|-------|-----------------|---------------|
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| 1 | [Build configuration](01-build-config.md) | no | only PGO/BOLT pipeline changes |
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| 2 | [Allocator swap](02-allocator.md) | link line only | no |
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| 3 | [Allocation churn](03-allocation-churn.md) | yes | no |
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| 4 | [Data layout](04-data-layout.md) | yes | no |
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| 5 | [Algorithmic](05-algorithmic.md) | yes | no |
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| 6 | [SIMD](06-simd.md) | yes | FP-flag changes: always |
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| 7 | [Concurrency](07-concurrency.md) | yes | **always** |
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The agent's prompting spine (SPEC §3.5): state the hypothesis before
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patching; prefer the cheapest untried class; max two iterations per
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rejected hypothesis; a rejection with a clean ledger row is a successful
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outcome.
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