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Closes the CI-reachable slice of the Phase 1 infra gaps: - trust-layer job: cargo test + clippy -D warnings + fmt - target-gates-no-net: fetches pinned targets (new targets/fetch.sh), regenerates + verifies corpora, runs 'just gates tokei' mechanically, and executes the bench workload inside a --network=none container (SPEC 3.1/10 no-net requirement) - runner-calibration (informational): A/A + injection harness measures the shared runner's noise floor per run, evidence uploaded as an artifact — environments are judged empirically, not assumed - perf-probe (informational): reports which perf event sources work docs/infra.md maps each remaining hardware requirement (pinned cores, governor/SMT control, separate-uid trust layer) to the bench-metal self-hosted runner setup a human can complete in ~15 min. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EcKPWQ3MQD4NdEHwar96u2
targets/
One directory per optimization target. This is the only agent-writable path in the repository (SPEC §10); everything else is trust layer.
Layout
targets/<name>/
target.toml # upstream repo URL, pinned commit, build & bench commands
equivalence.toml # optional; absent = byte-identical required (SPEC §3.2)
workspace/ # agent's checkout — patches land here via harness git-apply
Selection criteria (SPEC §6): CPU-bound (>70% user time), meaningful test suite, scriptable workload, permissive license, active but not hyper-optimized, builds cleanly in a container. Good hunting: codecs, parsers, serializers, image processing, compression, static-site generators, linters.
equivalence.toml
Default (no file) is byte-identical outputs. FP-producing targets may declare an explicit tolerance policy:
mode = "fp-tolerance"
abs = 1e-9 # max absolute difference per numeric value
rel = 1e-6 # max relative difference per numeric value
Declaring a tolerance covers output comparison only; FP flag changes still route to needs-human-review (SPEC §8).