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feat: define speculative-round FPM identity and native CUDA data contract - #476
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…ract Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Cross-Layer Contract |  |
The cross-layer contract remains incomplete. The new FpmDeploymentProfile.execution_profile is defined in python/aisimulate/src/aisimulate_core/fpm_profile.py:164-288, but compile_engine does no… |
After deployment selection in compile_engine, reject any non-null deployment.execution_profile with the identity-only error before direct or SOL construction. Add compile_engine tests for nextn=0 on both direct and SOL paths. Re-exp… |
| Modeling And Data Evidence | |
The PR changes native-CUDA FPM selection and measurement-data loading, but it still does not supply the required reproducible evidence. The diff adds no data artifact, golden output, or machine-readab… | Add a committed, machine-readable native-CUDA data summary or reproducible artifact with source revisions, hardware and backend, collection protocol, raw observations, reduction counts, selected coordinates, latency provenance, and anomaly … |
| Compatibility Boundaries | |
The Python/Rust binding contract remains unsynchronized. The PR adds the native static method _normalize_fpm_execution_profile(model_revision, execution_profile_json) in `crates/core/src/perfmodel/p… |
Add @staticmethod def _normalize_fpm_execution_profile(model_revision: str, execution_profile_json: str) -> str: ... to python/aisimulate/src/aisimulate_core/_native.pyi. Add a cross-package test that compares the shipped stub signature… |
| Review Evidence | |
The description reports relevant results and negative/boundary coverage, including invalid identities, unsupported profiles, nested selectors, policy mismatches, and fabricated state. It does not name… | Update the Validation section with the exact commands and results for the Rust, native FPM, Python, formatting, and policy checks. Label each result as local, fake-runner, parity, or production evidence. State clearly when hosted CI has not… |
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Check name Status Explanation Title check The title precisely states the behavioral change: defining speculative-round FPM identity and the native CUDA data contract. It avoids vague wording. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Description check The description clearly explains the problem, behavior changes, scope, review focus, compatibility boundaries, and validation results. It does not use every template heading and omits explicit entries… Full details: Description check
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Explanation
The description clearly explains the problem, behavior changes, scope, review focus, compatibility boundaries, and validation results. It does not use every template heading and omits explicit entries for modeling/data provenance, tracking, risk level, and some evidence fields, but the required context is mostly present.
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Full details: Cross-Layer Contract
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Explanation
The cross-layer contract remains incomplete. The new
FpmDeploymentProfile.execution_profileis defined inpython/aisimulate/src/aisimulate_core/fpm_profile.py:164-288, butcompile_enginedoes not reject it after deployment selection. Its direct path calls_direct_fpm_spec_jsonatpython/aisimulate/src/aisimulate_core/sdk/engine.py:584-599; that function emits onlydeployment.match_identity()at lines 740-786 and omits the four-field execution selector. Its SOL validation still requiresdeployment.match_identity() + LEGACY_EXECUTION_IDENTITYat lines 670-679. Therefore the public compile path can build an AR-shapedEngineSpecfrom an identity-only speculative profile. The reviewed diff has no changes tosdk/engine.py. The added identity tests covernormalize_configandbest_available, but nocompile_enginedirect or SOL case. The new publicFpmSpeculativeExecutionProfileis also absent from unchanged compatibility exportspython/aisimulate/src/aisimulate_core/sdk/fpm_profile.py:12-18andpython/aisimulate/src/aisimulate/fpm_profile.py:6-10; the unchanged compatibility test only checks the prior three profile types atpython/aisimulate/tests/cross_package/test_import_contract.py:157-163.Resolution
After deployment selection in
compile_engine, reject any non-nulldeployment.execution_profilewith the identity-only error before direct or SOL construction. Addcompile_enginetests fornextn=0on both direct and SOL paths. Re-exportFpmSpeculativeExecutionProfilefromaisimulate_core.sdk.fpm_profileandaisimulate.fpm_profile, then add it to the import, module-identity, and pickle compatibility contract tests.
Full details: Modeling And Data Evidence
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Explanation
The PR changes native-CUDA FPM selection and measurement-data loading, but it still does not supply the required reproducible evidence. The diff adds no data artifact, golden output, or machine-readable benchmark summary. The Rust tests use synthetic fixtures with a hard-coded 7 ms latency and source count 20 (
crates/core/src/perfmodel/perf_database/fpm_forward.rs:2041-2077). The Python fixture explicitly states that its resource metadata is synthetic and not silicon measurements (python/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.py:45-62). The tests check contract acceptance and rejection, but provide no before/after output comparison, independent oracle, held-out comparison, or anomaly-checked data summary. The documentation requires raw observations and selection provenance but does not provide them (docs/perf-model/methods/whole-forward.md:65-72).Resolution
Add a committed, machine-readable native-CUDA data summary or reproducible artifact with source revisions, hardware and backend, collection protocol, raw observations, reduction counts, selected coordinates, latency provenance, and anomaly checks for missing, duplicate, non-finite, outlier, policy-mismatched, and fabricated-KV rows. Compare base and PR selection and latency outputs, explain every changed result, and report the reproducible command and results. An independent oracle or held-out comparison that reproduces the expected outputs is also acceptable.
Full details: Compatibility Boundaries
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Explanation
The Python/Rust binding contract remains unsynchronized. The PR adds the native static method
_normalize_fpm_execution_profile(model_revision, execution_profile_json)incrates/core/src/perfmodel/py.rs:2016-2032, andpython/aisimulate/src/aisimulate_core/sdk/fpm_identity.py:16-23calls it. The shippedpython/aisimulate/src/aisimulate_core/_native.pyi:166-204still omits this method, and the reviewed diff does not modify that stub. The wheel payload verifier requires_native.pyiatpython/aisimulate/tools/verify_installed_package_layers.py:69-80. This new identity path therefore exposes an incomplete public typing/artifact contract.Resolution
Add
@staticmethod def _normalize_fpm_execution_profile(model_revision: str, execution_profile_json: str) -> str: ...topython/aisimulate/src/aisimulate_core/_native.pyi. Add a cross-package test that compares the shipped stub signature and annotations with the native method. Preserve the existingexecution_identity()delegation to the Rust normalizer so parent-revision validation remains enforced.
Full details: Review Evidence
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Explanation
The description reports relevant results and negative/boundary coverage, including invalid identities, unsupported profiles, nested selectors, policy mismatches, and fabricated state. It does not name executable commands. It does not explicitly classify evidence as local, fake-runner, parity, or production. It does not cite an inactive nested workflow as hosted CI evidence.
Resolution
Update the Validation section with the exact commands and results for the Rust, native FPM, Python, formatting, and policy checks. Label each result as local, fake-runner, parity, or production evidence. State clearly when hosted CI has not run. Do not describe inactive nested workflow runs as hosted CI evidence.
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Review comments at @python/aisimulate/src/aisimulate_core/fpm_profile.py:
- Around line 164-172: Update the draft_model validation in
FpmSpeculativeExecutionProfile to reject leading or trailing whitespace and
control characters, matching the Rust validation contract so invalid values fail
during model validation rather than later in execution_identity.
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📒 Files selected for processing: 11
crates/core/src/lib.rscrates/core/src/perfmodel/fpm/execution.rscrates/core/src/perfmodel/fpm/mod.rscrates/core/src/perfmodel/fpm/resources.rscrates/core/src/perfmodel/mod.rscrates/core/src/perfmodel/perf_database/fpm_forward.rscrates/core/src/perfmodel/py.rsdocs/perf-model/methods/whole-forward.mdpython/aisimulate/src/aisimulate_core/fpm_profile.pypython/aisimulate/src/aisimulate_core/sdk/fpm_identity.pypython/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.py
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- GitHub Check: Prediction Regression / Collect prediction snapshot (new)
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python/aisimulate/.claude/rules/rust-core/parity.md — configured
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Preserve the Rust single oracle: Python may describe operations, load raw data, orchestrate, and present results, but must not compute per-op performance values.
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python/aisimulate/src/aisimulate_core/sdk/fpm_identity.pypython/aisimulate/src/aisimulate_core/fpm_profile.py
Enforce the single-oracle and golden-diff rules in python/aisimulate/.claude/rules/rust-core/parity.md.
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crates/core/src/perfmodel/fpm/resources.rscrates/core/src/perfmodel/fpm/mod.rscrates/core/src/perfmodel/py.rscrates/core/src/perfmodel/mod.rspython/aisimulate/src/aisimulate_core/sdk/fpm_identity.pycrates/core/src/lib.rsdocs/perf-model/methods/whole-forward.mdcrates/core/src/perfmodel/fpm/execution.rspython/aisimulate/src/aisimulate_core/fpm_profile.pypython/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.pycrates/core/src/perfmodel/perf_database/fpm_forward.rs
Source excerpt: Per-op performance VALUES — latency, energy, the SOL decomposition — are computed only by the compiled engine.
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crates/core/src/perfmodel/fpm/resources.rscrates/core/src/perfmodel/fpm/mod.rscrates/core/src/perfmodel/py.rscrates/core/src/perfmodel/mod.rspython/aisimulate/src/aisimulate_core/sdk/fpm_identity.pycrates/core/src/perfmodel/fpm/execution.rspython/aisimulate/src/aisimulate_core/fpm_profile.pycrates/core/src/perfmodel/perf_database/fpm_forward.rs
Source excerpt: Keep run logs, investigation notes, and benchmark results out of `docs/`; measured evidence belongs under `benchmarks/evidence/`.
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crates/core/src/perfmodel/fpm/resources.rscrates/core/src/perfmodel/fpm/mod.rscrates/core/src/perfmodel/py.rscrates/core/src/perfmodel/mod.rspython/aisimulate/src/aisimulate_core/sdk/fpm_identity.pycrates/core/src/lib.rsdocs/perf-model/methods/whole-forward.mdcrates/core/src/perfmodel/fpm/execution.rspython/aisimulate/src/aisimulate_core/fpm_profile.pypython/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.pycrates/core/src/perfmodel/perf_database/fpm_forward.rs
Source excerpt: Binary parquet changes require a machine-readable summary of keys, shapes, units, row counts, coverage, and anomalies plus proof that a real consumer reaches the new data.
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crates/core/src/perfmodel/fpm/resources.rscrates/core/src/perfmodel/fpm/mod.rscrates/core/src/perfmodel/py.rscrates/core/src/perfmodel/mod.rspython/aisimulate/src/aisimulate_core/sdk/fpm_identity.pycrates/core/src/lib.rsdocs/perf-model/methods/whole-forward.mdcrates/core/src/perfmodel/fpm/execution.rspython/aisimulate/src/aisimulate_core/fpm_profile.pypython/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.pycrates/core/src/perfmodel/perf_database/fpm_forward.rs
🪛 ast-grep (0.45.3)
python/aisimulate/src/aisimulate_core/sdk/fpm_identity.py
[info] 21-21: use jsonify instead of json.dumps for JSON output
Context: json.dumps(execution_profile)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
🔀 Multi-repo context ai-dynamo/aiconfigurator, ai-dynamo/dynamo
Linked repositories findings
ai-dynamo/aiconfigurator
- The frozen FPM loader only accepts schema version 6 and measurement policy
dynamo_native_single_sample_v1; the PR’s schema-v7 native-CUDA policy would be rejected byvalidate_sidecar.aic-core/rust/aiconfigurator-core/src/perf_database/fpm_forward.rs:51-57, 359-380[::ai-dynamo/aiconfigurator::] - Cell selection is hard-coded to exactly 15 identity columns and has no execution-profile/selector field.
aic-core/rust/aiconfigurator-core/src/perf_database/fpm_forward.rs:84-110; the Python operation constructs the same fixed tuple.aic-core/src/aiconfigurator_core/sdk/operations/fpm_forward.py:35-62, 126-145[::ai-dynamo/aiconfigurator::] - Repository-wide searches found no references to
execution_profile,speculative_round,FpmExecution*, orFPM_SPECULATIVE, so this frozen consumer does not yet consume the new identity API. [::ai-dynamo/aiconfigurator::]
ai-dynamo/dynamo
- Dynamo’s live FPM consumer uses
ForwardPassMetricsschema version 1 and skips unrecognized versions; the message contract has no execution-profile field.components/src/dynamo/common/forward_pass_metrics.py:28, 157-174[::ai-dynamo/dynamo::] - Dynamo documents native self-benchmark artifacts separately as schema version 2, while the PR adds schema-v7 native-CUDA parquet handling; no direct consumer of the new selector/profile names was found in repository-wide searches.
docs/fern/pages/reference/observability/forward-pass-metrics-traces.mdx:158,249[::ai-dynamo/dynamo::] - Existing benchmark-point manifests accept only schema versions 1–3, indicating this new schema-v7 contract is not part of Dynamo’s existing benchmark-point API.
components/src/dynamo/vllm/benchmark_points.py:131-153[::ai-dynamo/dynamo::]
🔇 Additional comments: 11
crates/core/src/perfmodel/fpm/execution.rs: 1
50-61: LGTM!crates/core/src/perfmodel/fpm/mod.rs: 1
31-31: LGTM!Also applies to: 51-54
crates/core/src/perfmodel/mod.rs: 1
72-75: LGTM!crates/core/src/lib.rs: 1
57-60: LGTM!python/aisimulate/src/aisimulate_core/sdk/fpm_identity.py: 1
16-23: LGTM!crates/core/src/perfmodel/py.rs: 1
1964-1981: LGTM!crates/core/src/perfmodel/fpm/resources.rs: 1
409-416: LGTM!python/aisimulate/tests/unit/sdk/test_fpm_speculative_execution_identity.py: 1
169-183: LGTM!docs/perf-model/methods/whole-forward.md: 1
17-73: LGTM!crates/core/src/perfmodel/perf_database/fpm_forward.rs: 2
968-999: LGTM!
800-813: LGTM!
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
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Inline comments:
Review comments at @crates/core/src/perfmodel/engine/runtime.rs:
- Line 381: Update the selector-matching logic in `Engine::build` to traverse
`Dsv41Stage.children` and reject nested SD-selected `FpmForward` operations,
rather than treating this shape as false. Preserve the existing direct-selector
rejection behavior.
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python/aisimulate/.claude/rules/rust-core/parity.md — configured
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Enforce the single-oracle and golden-diff rules in python/aisimulate/.claude/rules/rust-core/parity.md.
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crates/core/src/perfmodel/engine/runtime.rs
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crates/core/src/perfmodel/engine/runtime.rs
Source excerpt: Per-op performance VALUES — latency, energy, the SOL decomposition — are computed only by the compiled engine.
📄 CodeRabbit inference engine (python/aisimulate/.claude/rules/rust-core/parity.md)
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crates/core/src/perfmodel/engine/runtime.rs
Source excerpt: Keep run logs, investigation notes, and benchmark results out of `docs/`; measured evidence belongs under `benchmarks/evidence/`.
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crates/core/src/perfmodel/engine/runtime.rs
Source excerpt: Binary parquet changes require a machine-readable summary of keys, shapes, units, row counts, coverage, and anomalies plus proof that a real consumer reaches the new data.
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crates/core/src/perfmodel/engine/runtime.rs
🔀 Multi-repo context ai-dynamo/dynamo, ai-dynamo/aiconfigurator
Linked repositories findings
ai-dynamo/dynamo
- No references to the new
execution_profile,speculative_round,FpmExecution*, ormodel_step_cudaAPIs were found. [::ai-dynamo/dynamo::] - The runtime FPM message contract remains version 1 and contains scheduler telemetry fields only; it has no execution-profile or selector field.
components/src/dynamo/common/forward_pass_metrics.py:28,157-174[::ai-dynamo/dynamo::] - Self-benchmark artifacts use a separate schema version 2, so the PR’s schema-v7 native-CUDA parquet contract is not consumed by Dynamo’s existing FPM artifact path.
docs/fern/pages/reference/observability/forward-pass-metrics-traces.mdx:158,249[::ai-dynamo/dynamo::]
ai-dynamo/aiconfigurator
- The frozen FPM loader requires schema version 6 and measurement policy
dynamo_native_single_sample_v1; the PR’s schema-v7 native-CUDA policy will not pass this loader’s sidecar validation.aic-core/rust/aiconfigurator-core/src/perf_database/fpm_forward.rs:51-57,359-380[::ai-dynamo/aiconfigurator::] - Its cell identity remains fixed at 15 columns, with no execution selector/profile field.
aic-core/rust/aiconfigurator-core/src/perf_database/fpm_forward.rs:84-110;aic-core/src/aiconfigurator_core/sdk/operations/fpm_forward.py:35-62,126-145[::ai-dynamo/aiconfigurator::] - No references to the new execution-profile or speculative-round symbols were found, confirming this repository is not yet a consumer of the new API. [::ai-dynamo/aiconfigurator::]
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
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Two P2 findings from static review of 49d6965: the identity-only restriction is bypassed by ad-hoc operation evaluation, and collection silently drops the selected speculative execution identity. No tests were run as part of this review.
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
…ract (ai-dynamo#476) * feat: define speculative-round FPM identity and native CUDA data contract Signed-off-by: hongkuanz <hongkuanz@nvidia.com> * fix: scope SD identity guard to the selected deployment Signed-off-by: hongkuanz <hongkuanz@nvidia.com> * fix: reject SD-round data in identity-only EngineSpecs Signed-off-by: hongkuanz <hongkuanz@nvidia.com> * fix: close speculative identity validation gaps Signed-off-by: hongkuanz <hongkuanz@nvidia.com> * fix: guard ad-hoc FPM execution identities Signed-off-by: hongkuanz <hongkuanz@nvidia.com> * fix: reject unsupported speculative collection profiles Signed-off-by: hongkuanz <hongkuanz@nvidia.com> --------- Signed-off-by: hongkuanz <hongkuanz@nvidia.com>
Summary
First of two stacked PRs for self-benchmarked EAGLE3 whole-round FPM data.
Stack and review focus
Updated on October 19 against main
c9e7363bf5983b980fe6622f7b064ee7adff5f5d, including merged #382. Current head:b7abbd15e9a4a65d6c7d6a2a79ba374f17f67263.Review order: #476 → #477. This is measured execution identity/data validation, not another implementation of #382's analytical speculative cost graphs.
The refresh preserves main's full-grid median policy alongside the distinct SD native-CUDA policy. It also fixes the two existing review findings: Python now rejects leading/trailing whitespace and all Unicode control characters in
draft_model, matching Rust; the identity-only guard now traversesDsv41Stage.children.Review fixes (October 19)
EngineHandle.for_database()bypass: one recursive SD selector check now protects construction and both ad-hoc empirical/SOL evaluation boundaries, including every generic wrapper/child position.draft_modelwhitespace/control parity andDsv41Stage.childrenfixes. No performance rows, collection schema, or cost formulas are changed.Validation
embed-pythonnative: 1,381 focused tests passed, including public empty-handle regressions, AR controls and collector boundaries.Boundaries
Initial identity scope is vLLM EAGLE3, 1–5 draft tokens, pure TP with DP1/PP1/CP1. This PR does not enable SD execution, expand guided collection, change performance data or claim serving accuracy. No GPU allocation was made.