Perceptual quality controller - #2

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liminalism merged 27 commits into

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perceptual-quality-controller

Aug 28, 2026

Commits on Aug 24, 2026

chore: ignore pycache/agent-pack artifacts; fix codegraph MCP args

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docs(sources): register the 2026-08-24 one-shot quality-controller memo

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feat(jpxl-encode-policy): one-shot crossing predictor is the default --quality seed

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feat(jpxl, jpxl-cli): --quality is a hard floor; fallbacks, trace/2, quality-ladder

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feat(tools): oracle-label sweeps, pooled crossing trainer, corpus intake, promotion A/B

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chore(.akr): record the one-shot program - decision, evidence, promotion

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docs(JPXL): JPEG bitstream recompression implementation plan

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perf(jpxl-plan-render, jpxl-perceptual): parallelize per-probe render on large frames

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chore(.akr): record the large-frame render parallelization measurement

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chore(.akr): scope the recompression record to existing paths

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1fc3ca7

Commits on Aug 25, 2026

refactor(jpxl-plan-render): band-parallel varblock sample scatter

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tools(quality-corpus): 26 saturated and 25 gradient source families

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docs(publish): README pass, MIT licensing audit, libjxl bench harness

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feat(jpxl-jpeg): Phase A JPEG-1 coefficient codec, bit-exact re-emission

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chore(.akr): record the 2026-08-25 session evidence and revisions

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chore: Rebuild generated views after the session ledger commit
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chore: Log the current-together evidence papercut
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perf(jpxl-perceptual): exact cost cuts in the blur and evaluator hot paths

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chore: Record the exact metric-path cost cuts: evidence and work rev 8
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chore: Log the canonical-truncation papercut
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perf(jpxl-plan-render, jpxl-perceptual, jpxl-encode-policy): fused depth-quantized probe render

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chore: Record the fused-render round: evidence and work rev 9
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Commits on Aug 26, 2026

feat(jpxl-encode, jpxl): EXIF container box and colour-space signalling

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perf(jpxl-perceptual): AVX2 metric pooling, bit-identical to scalar

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build(jpxl): release-final profile (fat LTO) and PGO build script

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chore: Record metadata-seam and AVX2 evidence; PGO re-measurement

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05d84e8

Commits on Aug 28, 2026

perf: Speed the VarDCT rate-search quantizer: Fast reserves only DCT8...
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