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Gt3 Backside Route Policy

skill-mr-fang-vlsi-edagent-gt3-backside-route-policy · by Mr-Fang-VLSI

Apply and validate GT3 backside routing policy in Innovus. Use when configuring CTS/PDN/signal layer usage, submitting GT3 consistency runs, diagnosing zero-backside-nets, or enforcing BPR-reserved-for-PDN constraints.

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Install

$ agentstack add skill-mr-fang-vlsi-edagent-gt3-backside-route-policy

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Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

GT3 Backside Route Policy

Apply this policy for GT3 experiments unless the task brief explicitly overrides it.

Policy defaults

  1. Keep CTS route on M4/M5.
  2. Keep PDN on high layers (BSPDN_HI => M6/M7).
  3. Reserve BPR for PDN.
  4. Allow backside signal routing on BM2/BM1 only (index 1..2).
  5. Treat BM2 -> BM1 -> M0 -> M1 as the current working signal-entry hypothesis until disproved by a topology-validity gate.
  6. Do not assume direct BM1 -> M1 connectivity without explicit tool or techlef evidence.

Submit controlled run

ROOT=/mnt/research/Hu_Jiang/Students/Fang_Donghao/TAMU-ASAP07-BSPDN-BPR-V0.00
cd "$ROOT"

TASK_BRIEF= \
BACKSIDE_SIGNAL_NET_FILE= \
BACKSIDE_SIGNAL_NET_BOTTOM_INDEX=1 \
BACKSIDE_SIGNAL_NET_TOP_INDEX=2 \
bash scripts/debug/submit_gt3_route_rc_consistency.sh  

Monitor outputs:

  • slurm_logs/04_delay_modeling/.monitor.md
  • slurm_logs/04_delay_modeling/.monitor.history.tsv

Post-run checks

  1. Verify backside signal occupancy appears on BM layers.
  2. Verify signal occupancy does not use BPR.
  3. Verify CTS remains on M4/M5 window.
  4. Verify the run does not rely on an unproven shortcut such as direct BM1-M1.

Load references/policy_checks.md for quick command snippets.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.