Add baidu/Unlimited-OCR vision tower support (feature-extraction) - #1018
Add baidu/Unlimited-OCR vision tower support (feature-extraction)#1018ssss141414 wants to merge 11 commits into
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reviewer verdict — APPROVE (draft; awaiting human ready-promotion)Independent re-march of the checklist against the pushed producer fix (
Coverage scope (honest annotation): Verdict: APPROVE (scoped to the vision-tower recipe). Left as draft per contributor request — promote with |
reviewer verdict — CORRECTION: real ladder attempted, L0 HOST-BLOCKED (cannot APPROVE on this host)My earlier verdict on this PR only cited a recipe/pytest check — not the Goal ladder. I re-marched it for real on this host (CPU / CPUExecutionProvider). Unlike #951 and #952, this one does not pass L0 here, and I will not paper over that. What happened (independently reproduced):
Coverage: Verdict: BLOCKED / CANNOT-VERIFY on this host (supersedes my earlier premature APPROVE). To clear it, the build needs a host that can (a) fully materialize the DeepSeek-V2 weights and (b) either export only the |
UPDATE — root cause was the download transport, not the model. L0 now PASS.My previous verdict marked this HOST-BLOCKED at L0. That was premature: the blocker was Root cause (reproduced): Fix applied: downloaded the repo via
Op-coverage note (same as #952): build logs many Learner finding: the tester's L0 gate should distinguish download-transport failure from model-unbuildable — they are not the same "HOST-BLOCKED". A stalled |
UPDATE 2 — L1 PASS (real CPU latency)Re-ran perf with a small sample (
So on this host the vision tower is ~3.9 s/inference on CPU — heavy but functional. L2 numerical-delta attempt next. |
✅ L2 PASS — numerical delta (ONNX vs PyTorch, CPU)Compared the exported
Bit-for-bit-equivalent (well within fp32 export tolerance). The Corrected terminal verdict — APPROVE (full,
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Reviewer verdict (independent second-host re-verification): APPROVE-WITH-NOTE
Role note: posted as a review comment (GitHub disallows approving one's own PR). Re-verification ran on a different host (with a DirectML GPU) from a clean --trust-remote-code rebuild.
- Body upgrade: the original body had a single-line CPU cosine claim; this update supplies the full Goal-ladder (L0–L3) across CPU and DML, which is the evidence a reviewer needs.
- Value fidelity: the appended matrix does not overwrite the original CPU cosine; it corroborates it (CPU cos=0.99999999998) and adds DML rows.
- Honest non-green result surfaced: DML L2 is recorded as PASS-WITH-NOTE (cos=0.9969, max_abs 0.27), not silently rounded up to "PASS cos=1.0". This is the correct call — cosine ≫ 0.99 means functionally correct, but the elevated absolute deviation is a real DML fp-precision characteristic on this deep SAM+CLIP stack and is flagged for downstream consumers. No shortcut was taken to force parity.
- Scope discipline: vision tower only; the generative DeepSeek-V2 decoder remains correctly out of scope.
Coverage annotation:
- reachable-verified:
CPUExecutionProvider(L0–L2),DmlExecutionProvider(L0–L2, L2 with precision note) - deferred (host-limited, not a defect):
QNNExecutionProvider/NPU (no NPU on this host),OpenVINOExecutionProvider(still host-blocked — missingonnxruntime_providers_shared.dll); L3 CLI-blocked (no image-embed eval dataset); generative decoder out of scope
Terminal state: APPROVE-WITH-NOTE · coverage: partial (CPU+DML L0–L2 verified; DML L2 precision-noted; QNN/NPU + OpenVINO + L3 deferred).
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Reviewer verdict — OpenVINO EP-coverage completion (2026-07-10)
Correcting my earlier "host-blocked" label: Intel Lunar Lake reaches NPU+GPU via OpenVINOExecutionProvider v1.8.80.0. Re-ran the EP flow on all three OpenVINO device targets — and this is the one model in the batch where the alt-EP frontier is genuinely limited, so I'm recording it honestly.
Unlimited-OCR (#1018) — APPROVE (with documented EP limitations).
- OpenVINO CPU: PASS (7.2s, correct
image_embeds[1,256,1280]). - OpenVINO GPU: FAIL at compile —
[GPU] ProgramBuilder build failed! Failed to select implementation for matmul:MatMul_11981 type: gemm. - OpenVINO NPU: FAIL at runtime —
ZE_RESULT_ERROR_DEVICE_LOST — device hung.
The 1024×1024 SAM+CLIP dual-encoder vision tower is too heavy for the Intel GPU/NPU OpenVINO plugins in fp32. These are EP/plugin limitations, not export defects — the identical ONNX runs correctly on plain-CPU, DML, and OpenVINO-CPU. The three lighter models (#952/#951/#1068) all ran on OV-GPU+NPU fine, which isolates the cause to this model's depth+resolution.
Recommendation: DML remains the best accelerator for this model on Intel hosts (1062ms, L2 cosine 0.9969). OpenVINO is CPU-only here; a w8a16 quantized rebuild is the likely path to unlock GPU/NPU. QNN N/A (Intel silicon). No code changes requested — merge stands on the CPU/DML/OV-CPU evidence.
EP-coverage update — AMD NPU (VitisAI) + AMD GPU (MIGraphX) + NVIDIA GPU (NvTensorRTRTX) validated on an AMD Ryzen AI host (2026-07-13)Net-new accelerator-EP coverage beyond the earlier CPU/DML rows. Host exposes, via WindowsML Build: Per-(EP, device) matrix —
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| Tier | EP / device | Result |
|---|---|---|
| L1 perf | MIGraphXExecutionProvider / gpu | PASS — avg 624.5 ms, p50 623.1, 1.60 samples/s |
| L1 perf | VitisAIExecutionProvider / npu | PASS — avg 2549.6 ms, p50 2549.2, 0.39 samples/s (SAM Einsum ops CPU-fallback) |
| L1 perf | NvTensorRTRTXExecutionProvider / gpu | PASS — avg 193.5 ms, p50 192.9, 5.17 samples/s |
| L2 numeric | MIGraphX / gpu | PASS — cosine 1.000000, max_abs 7.28e-05, argmax match |
| L2 numeric | VitisAI / npu | REVIEW — cosine 0.957215, max_abs 4.96e-01, argmax match (deep SAM(ViT-B)+CLIP(L-14) stack NPU precision) |
| L2 numeric | NvTensorRTRTX / gpu | PASS — cosine 0.999996, max_abs 2.87e-02, argmax match |
| L3 eval | all three | CLI-BLOCKED — feature-extraction eval defaults to a text STS dataset, incompatible with an image vision tower (unchanged) |
Honesty note: the VitisAI/NPU L2 cosine 0.957 is lower than the GPU EPs — the deep SAM(ViT-B)+CLIP(L-14)+projector stack accumulates NPU quantization error — but the embedding direction is preserved (argmax matches). This mirrors the model's known DirectML precision note ("this model's depth widens the gap"); downstream OCR consumers that depend on absolute embedding magnitudes should validate their tolerance on the NPU. Coverage after this update: reachable-verified = CPU + DML (prior, L0–L2) + MIGraphX + VitisAI + NvTensorRTRTX (L1–L2). Generative DeepSeek-V2 decoder remains out of scope.
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Register an OnnxConfig + wrapper that exports the Unlimited-OCR vision tower (SAM ViT-B + CLIP-L-14 + MLP projector) under the feature-extraction task, so winml config/build natively produce the vision-embedding ONNX artifact. - unlimited_ocr.py: UnlimitedOCRVisionTowerWrapper (AutoModel + get_model, composes sam_model/vision_model/projector) and UnlimitedOCRVisionIOConfig registered via @register_onnx_overwrite for (unlimited-ocr, feature-extraction) with static [1,3,1024,1024] dummy inputs and image_embeds output. - hf/__init__.py: wire the model-class mapping and trigger registration. - tests: network-free unit tests validating registry wiring and IO contract.
…e deps The baidu/Unlimited-OCR trust_remote_code modeling code imports addict, einops, easydict and matplotlib. Expose them as an optional extra so 'winml build baidu/Unlimited-OCR' is reproducible from a clean checkout via 'pip install winml-modelkit[unlimited-ocr]', mirroring the existing audio/openvino/qnn extras.
Add the missing build recipe for the Unlimited-OCR vision tower so 'winml build examples/recipes/baidu_Unlimited-OCR/feature-extraction_config.json' resolves natively. Mirrors the registered UnlimitedOCRVisionIOConfig contract: static [1,3,1024,1024] pixel_values input, image_embeds output, opset 17, and loader.trust_remote_code=true (the model's SAM+CLIP+projector modeling code is trust_remote_code). Validated via WinMLBuildConfig.from_dict (parses; I/O and loader match the OnnxConfig). NOT added to the README all-10-EP fp16-eval catalog table on purpose: this contribution is validated CPU fp32 only; the generative decoder half is unexportable and the vision tower has no default eval dataset (L3 CLI-blocked), so a catalog row there would be a false breadth claim.
…ayout (_meta-058); duplicate across both validated buckets
…58: duplicate recipe under every tested EP)
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REQUEST_CHANGES Reviewed SHA Thread / Comment Enumeration (paginated)
Check Rollup on exact reviewed SHA
Coverage split audit
Findings (ordered by severity)
Independent reviewer reruns performed
Verdict
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Reviewer verdict: APPROVEReviewed exact head: Independent re-verification closed the prior
Coverage: partial.
Residual notes: historical L0-L3 measurements remain bound to their stated execution SHA and are carried forward under the recorded dependency-neutrality attestation; the final commit is typing-only. The 2-sample L3 result proves evaluator operability, not representative accuracy. Verdict: APPROVE. Keep the PR draft until a human chooses to promote it. |
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Summary
This PR adds WinML support for baidu/Unlimited-OCR as vision-tower feature extraction, not full OCR text generation. The shipped tier is Effort L1 / Outcome L1 with six precision-qualified checked-in recipes plus model-type registration and tests for unlimited-ocr. Goal ladder outcome is L3 PASS with partial coverage: all six required L0 builds passed, L1 perf is complete for CPU and DML, and OpenVINO perf is host-blocked on this machine.
Model metadata
What the model does
Unlimited-OCR is a multilingual document vision-language checkpoint; this contribution supports only the deterministic vision tower export path that emits image embeddings [batch, 256, 1280] for downstream decoding.
Primary user stories
User provides document images/pages for OCR-style document parsing workflows (full decode path is outside this PR scope).
Integrator provides normalized 1024x1024 RGB tiles to produce image embeddings for downstream decoder/parity pipelines.
User provides multi-page PDF-rendered images for multi-page parsing workflows (decoder path remains outside this PR scope).
Confidence: verified
Evidence: pinned model card examples and pinned UnlimitedOCR model source paths
Supported tasks
image-text-to-text: supported by checkpoint/Transformers surfaces (outside the exported WinML artifact scope here)
feature-extraction: supported by this WinML contribution for unlimited-ocr vision-tower export
Confidence: verified
Evidence: pinned model metadata plus added WinML model-type registration/mapping
Model architecture
Validation and support evidence
Baseline
Goal
Outcome
no_friction=true)Per-EP/device/precision results and Functional smoke Eval
Historical L0-L3 measurements in this section remain bound to execution SHA 7edf0c7 and are carried forward only under the tester's dependency-aware equivalence attestation. Run-006 separately passed fresh isolated prerequisites, recipe-free config, CPU FP32 build, CPU FP16 build, and focused gates on fresh-build SHA 3aeca67; the fresh FP16 artifact contained 477 float16 and 0 float32 initializers. Final pushed SHA c37a3cc changes typing annotations only; focused mypy, Ruff, 6 model tests, 12 recipe-discovery tests, and Eval schema all passed, and all 9 GitHub checks completed successfully.
Goal ladder:
Functional smoke Eval (2-sample operability check, not benchmark accuracy):
This proves end-to-end evaluator operability only. It is not representative accuracy or benchmark quality, and no accuracy was measured for other precisions or EPs.
Delta
Recipe comparison versus current-main auto-config baseline: NOT-COMPARABLE. Current-main auto-config cannot emit a baseline recipe before the code fix because unlimited-ocr lacks the required OnnxConfig registration.
Checked-in recipe paths:
Recipe discovery found exactly six precision-qualified paths. Each fp16 recipe is byte-identical to its paired fp32 recipe, with effective precision selected by the matching explicit
--precision; this is reducibility-consistent with charter revision 4. Recipe-free config acceptance passed. Because current main cannot emit the baseline recipe, no trustworthy JSON-pointer old/new values exist to report.Code symbols changed:
Bug fix explanation:
Additional delta assertions:
Analyze summary ΓÇö component level and op level
Static rule analysis result: ANALYZE-PARTIAL-SUCCESS (exit code 1). This is static compatibility analysis, not runtime execution.
Component-level summary:
Op-level summary:
Reproduce commands
Quality residuals (not branch-owned):