dtourolleandClaude Opus 5
b5c7d4f6d9
Five HDF5 embedding dumps from bali/ — Road to Bali (1952) — 3.6 MB total, generated at 5 fps with a 32 px minimum face. CI never calls a model, so inference happens on a GPU host and CI replays these as data; everything downstream of embedding is cheap CPU maths. Public domain is the reason this corpus rather than a convenient one: derived fixtures can be committed, where anything cut from a copyrighted title could not live in the repository at all. The set covers distinct behaviours rather than being five of the same thing: bali_28 has 9 cuts, so it exercises shot/reverse-shot association (AR-007); bali_46 is sparse at 140 faces over 385 frames, so it exercises gaps and extinction (AR-013); bali_13 is the busiest at 4 faces per frame; bali_31 is short at 29s. All five recorded zero drops. Both pinned parameters are consequences of measurements, not defaults: 5 fps because 1 fps over a 77s clip is 77 frames, too thin for an extinction window measured in tens of seconds; 32 px because that is the VR-005 floor, and the corpus is 480x360 so a stricter value would reject most of what is there. make_fixtures.sh regenerates them. Reproducibility is the requirement — a fixture whose provenance is unknown is worse than none, because it will be trusted. These are byte-reproducible only because of AR-004: before node outputs blocked rather than dropped, the same command produced different dumps run to run. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> TRACES: VR-001 | PR-002
61 lines
2.8 KiB
Bash
Executable File
61 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# make_fixtures.sh — regenerate the committed replay fixtures.
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#
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# TRACES: VR-001 | PR-002
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#
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# CI never calls a model (see docs/requirements.md, "CI never calls a model"):
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# the embedder is impractical on the N100 CI host, so inference happens HERE, on
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# a machine with a GPU, and CI consumes the HDF5 dumps as data. Everything
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# downstream of embedding — tracking, presence windows, belief accumulation,
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# expansion — is cheap CPU maths and replays from these files.
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#
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# Reproducibility is a requirement, not a nicety. A fixture whose provenance is
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# unknown is worse than no fixture, because it will be trusted. Every parameter
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# that affects the output is pinned below rather than left to a default, and the
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# dumps carry the embedder identity and SHA-256 (GR-004) so a replay cannot be
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# silently scored against the wrong gallery.
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#
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# These are byte-reproducible only because node outputs block rather than drop
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# on a full channel (AR-004). Before that fix the same command produced
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# different dumps run to run, since what got dropped depended on timing.
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#
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# Source: bali/ — Road to Bali (1952), public domain. That matters: derived
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# fixtures can be committed, where anything cut from a copyrighted title could
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# not live in the repository at all.
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set -euo pipefail
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REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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CLIPS="${CLIPS:-$REPO/../bali}"
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GALLERY="${GALLERY:-$REPO/gallery_lvface.h5}"
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BIN="${BIN:-$REPO/build/scene_analyze}"
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OUT="$REPO/tests/fixtures/dumps"
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# Pinned. Changing either invalidates every committed fixture.
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# fps 5 — 1 fps over a 77 s clip is 77 frames, too thin to exercise an
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# extinction window measured in tens of seconds.
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# min-face — 32 px, the VR-005 measured floor (98.1% TPI). The corpus is
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# 480x360, so a stricter value would reject most faces present.
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FPS=5
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MIN_FACE_PX=32
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[[ -x "$BIN" ]] || { echo "no scene_analyze at $BIN (set BIN=)" >&2; exit 1; }
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[[ -f "$GALLERY" ]] || { echo "no gallery at $GALLERY (set GALLERY=)" >&2; exit 1; }
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[[ -d "$CLIPS" ]] || { echo "no clips at $CLIPS (set CLIPS=)" >&2; exit 1; }
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mkdir -p "$OUT"
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for clip in "$CLIPS"/Road_To_Bali-*.webm; do
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n="$(basename "$clip" .webm)"; n="${n##*-}"
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echo "── bali_$n"
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"$BIN" --movie "$clip" --gallery "$GALLERY" \
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--fps "$FPS" --min-face-px "$MIN_FACE_PX" \
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--dump-embeddings "$OUT/bali_$n.h5" \
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--output /dev/null 2>&1 | grep -E "wrote|dropped" || true
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done
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echo
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echo "Regenerated in $OUT — verify the diff is empty if nothing upstream changed."
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echo "A non-empty diff means detection, alignment or embedding moved. That is"
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echo "either a regression or a deliberate change, and either way the golden"
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echo "outputs derived from these fixtures need reviewing."
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