Worked example

Worked Example for Integration Milestones focuses on milestone slip rate, integration blocker burn-down. The goal is to map symptoms to boundary contracts, owner actions, and regression-proof closure.

A review detects milestone slip rate, integration blocker burn-down. Strong analysis starts by freezing baseline and proving where the first boundary failed in Integration Milestones.

Sequence under inspection

SOC INTEGRATION FLOW — Integration Milestones

requirements + budgets
        |
        v
IP handoff + collateral check
        |
        v
integration build + bring-up smoke
        |
        v
cross-domain signoff evidence
        |
        v
tapeout readiness decision

Metric in focus: milestone slip rate, integration blocker burn-down

Milestone ladder

INTEGRATION MILESTONES
M0 contract freeze
M1 IP handoff complete
M2 subsystem bring-up
M3 top-level smoke pass
M4 signoff review

1. Capture failing artifact and manifest tags.

2. Map failure to one owner boundary.

3. Verify mechanism using one reduced repro.

4. Compare against milestone checklist, readiness board, blocker tracker.

5. Select one reversible fix and define full regression upfront.

Did the fix work?

BEFORE / AFTER FIX — Integration Milestones

risk index
 0 |                    --- target
40 |    ● regression
65 |         ● before fix
20 |              ● after fix
    +-------------------------------> iteration
Always verify collateral, regression suite, and owner signoff.

SoC deep dive

Budget and ownership contracts are technical artifacts, not PM slides.

Concept diagram

HIERARCHY CONTRACT FLOW
partition -> block budget -> owner signoff -> integration checkpoint

Metric graph

BUDGET RISK TREND
open risks ████████
owned fixes ███████
unowned risks ██

Reports and artifacts

• budget delta dashboard

• ownership matrix

• milestone health report

• risk register

Mini case study

A timing overrun was solved only after budget ownership moved from shared to single-threaded.

Debug branches

• Validate contract revision

• Check owner signatures

• Audit milestone readiness

Senior review question

Ask: what baseline, owner, and artifact prove this topic is truly closed?

Key takeaways

• State baseline manifest and owner with every closure metric.

• Run cross-domain regression after every top-level fix.

Common pitfalls

• Comparing results across different manifests.

• Unowned issues slipping through review cycles.

• Waiving risks without expiry and validation plan.

Principal SoC review addendum

Milestones align RTL freeze, collateral handoff, floorplan lock, and signoff criteria so teams converge instead of iterating blindly.

Metric: milestone slip rate, integration blocker burn-down