UPF Consistency Audit is a core part of UPF Implementation Flow. Consistency audits compare intent interpretation across RTL, synthesis, PD, simulation, and formal views to prevent semantic drift. Senior engineers connect observed behavior to explicit state policy, domain boundaries, and sequence ownership before proposing fixes.
Consistency audits compare intent interpretation across RTL, synthesis, PD, simulation, and formal views to prevent semantic drift.
Primary metric: cross-tool mismatch count, stale UPF object references, and signoff waiver backlog
Primary artifact: multi-tool consistency dashboard, mismatch diff, and closure memo
Owners: methodology owner, CAD owner, low-power lead
Legal state transitions must be explicit and testable
Every crossing requires policy + evidence
At product level, UPF Consistency Audit defects become intermittent, expensive silicon escapes. Intent consistency across tools is as important as local pass reports.
CONSISTENCY MATRIX
view status key mismatch?
RTL sim pass -
synthesis pass retention naming
PD implementation fail missing AON tap
formal LP pass -
Signoff requires semantic parity across views.Name the failing mode transition and power states.
Open cross-tool mismatch count, stale UPF object references, and signoff waiver backlog and identify which crossing or policy failed.
Align waveform timeline with PMU control sequence.
Check UPF object binding and policy ownership.
Collect multi-tool consistency dashboard, mismatch diff, and closure memo with database/view tags.
Classify: intent mismatch, sequencing bug, or implementation defect.
Apply minimal fix and rerun LP regression matrix.
If active mode passes, low-power behavior is safe.
Isolation alone can hide all OFF-domain issues.
Any UPF syntax conversion preserves semantics.
Static reports are enough without transition coverage.
CONSISTENCY MATRIX
view status key mismatch?
RTL sim pass -
synthesis pass retention naming
PD implementation fail missing AON tap
formal LP pass -
Signoff requires semantic parity across views.LP OWNERSHIP LAYERS — UPF Consistency Audit
layer owns typical failure
------------------ --------------------------- --------------------------
architecture domain strategy infeasible power states
UPF intent policy objects + bindings wrong/missing policy
implementation LP cell insertion/routing illegal physical behavior
verification transition scenarios uncovered LP bug
signoff governance waiver + release decisions late escape to siliconCross-tool intent drift is a leading source of late low-power escapes.
RTL+UPF -> synthesis view -> PD view -> signoff consistencyMISMATCH TREND
handoff week1 ███████
week2 ████
week3 ██RTL handoff checklist
post-synth LP report
PD LP implementation report
consistency diff
Synthesis and PD used mismatched UPF revisions; only consistency audit exposed the drift.
Compare UPF revision tags
Check object rename mapping
Run semantic consistency tool
Ask: what transition evidence proves this topic is closed, and which owner signs it?
State transition context must accompany every low-power metric claim.
Intent changes require simulation, formal, and implementation re-validation.
Comparing results from mismatched UPF revisions.
Assuming static checks replace transition validation.
Shipping with aged waivers and unclear ownership.
Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 1
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 2
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 3
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 4
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 5
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 6
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 7
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 8
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 9
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 10
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 11
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 12
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Use this pack to rehearse low-power closure on low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive: transition framing, policy ownership, implementation evidence, and release confidence.
State transition explicitly named with legal source/target states.
Crossing and domain ownership are mapped and agreed.
Policy controls are traced to always-on source logic.
Waveform bookmarks align controls with state timestamps.
Which policy object is first to deviate from intent?
Which owner can apply the smallest reversible fix?
What regression matrix proves no collateral damage?
Which waiver conditions would still block release?
LP EVIDENCE CAPSULE 13
PATH: low-power/upf-implementation-flow/upf-consistency-audit/theory-deep-dive
STATE WINDOW: <from -> to>
POLICY OBJECT: <isolation / retention / shifter / switch>
OWNER: <name>
PRIMARY ARTIFACT: <report/waveform/formal result>
RELEASE DECISION: <close / bounded waiver / escalate>Intent consistency across tools is as important as local pass reports.
This content block can't be displayed here.
Block type: unknown