{ "schema": "semiagora.cts-routing-ir-handoff.v1", "version": "2026-08-22-v92", "generated_date": "2026-08-22", "experiment_id": "SA-EDA-CTS-ROUTE-IR-002", "title": "CTS, routing, and IR-drop report handoff replay", "execution_mode": "precomputed_browser_csv_replay_only", "summary": { "rows": 4096, "purpose": "Practice cross-report handoff using selected rows from three independently validated PDK-free fixtures while preserving stage, ownership, and signoff boundaries.", "average_handoff_readiness_score": 42.93, "average_review_priority_score": 56.85, "average_cross_report_mismatch_pressure": 40.11, "clock_profile_summaries": [ { "id": "balanced_tree", "label": "Balanced buffered tree", "rows": 1024, "average_review_priority_score": 51.38, "average_handoff_readiness_score": 45.08, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "low_skew_high_latency", "label": "Low skew but high latency", "rows": 1024, "average_review_priority_score": 54.75, "average_handoff_readiness_score": 44.51, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "useful_skew_hold_fail", "label": "Useful skew without hold repair", "rows": 1024, "average_review_priority_score": 62.72, "average_handoff_readiness_score": 39.72, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "post_route_rc_drift", "label": "Post-route RC drift", "rows": 1024, "average_review_priority_score": 58.57, "average_handoff_readiness_score": 42.39, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." } ], "routing_profile_summaries": [ { "id": "balanced_clean", "label": "Balanced clean detailed route", "rows": 1024, "average_review_priority_score": 50.9, "average_handoff_readiness_score": 44.75, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "global_overflow_hotspot", "label": "Global-route overflow hotspot", "rows": 1024, "average_review_priority_score": 67.43, "average_handoff_readiness_score": 37.69, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "pin_access_failure", "label": "Detailed-route pin-access failure", "rows": 1024, "average_review_priority_score": 55.65, "average_handoff_readiness_score": 44.23, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "post_extract_rc_risk", "label": "Geometry-clean route with RC risk", "rows": 1024, "average_review_priority_score": 53.44, "average_handoff_readiness_score": 45.03, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." } ], "power_profile_summaries": [ { "id": "corner_feed_nominal", "label": "Four-corner feed with distributed load", "rows": 1024, "average_review_priority_score": 47.53, "average_handoff_readiness_score": 47.36, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "center_hotspot", "label": "Same current concentrated at center", "rows": 1024, "average_review_priority_score": 57.86, "average_handoff_readiness_score": 42.19, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "via_bottleneck", "label": "Narrow connection bottleneck", "rows": 1024, "average_review_priority_score": 59.66, "average_handoff_readiness_score": 42.03, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." }, { "id": "extracted_resistance_risk", "label": "Extracted-resistance risk", "rows": 1024, "average_review_priority_score": 62.37, "average_handoff_readiness_score": 40.11, "note": "A normalized teaching summary from an independently validated local fixture; not an owned design report or signoff ranking." } ] }, "counts": { "rows": 4096, "clock_profiles": 4, "routing_profiles": 4, "power_profiles": 4, "handoff_stages": 4, "review_roles": 4, "evidence_postures": 4, "source_fixture_rows": 36, "liveServerRuns": 0 }, "axes": { "clock_profiles": [ { "id": "balanced_tree", "label": "Balanced buffered tree", "stage": "CTS", "globalSkewNs": 0.016, "maxLatencyNs": 0.583, "maxSinkSlewNs": 0.151, "setupWnsNs": 0.034, "holdWnsNs": 0.016, "bufferCount": 7, "wireLength": 480, "powerProxy": 4.87, "sourceClosurePass": true }, { "id": "low_skew_high_latency", "label": "Low skew but high latency", "stage": "CTS", "globalSkewNs": 0, "maxLatencyNs": 1.065, "maxSinkSlewNs": 0.173, "setupWnsNs": 0.03, "holdWnsNs": 0.02, "bufferCount": 31, "wireLength": 800, "powerProxy": 12.15, "sourceClosurePass": false }, { "id": "useful_skew_hold_fail", "label": "Useful skew without hold repair", "stage": "useful-skew", "globalSkewNs": 0.1, "maxLatencyNs": 0.675, "maxSinkSlewNs": 0.147, "setupWnsNs": 0, "holdWnsNs": -0.08, "bufferCount": 9, "wireLength": 480, "powerProxy": 5.37, "sourceClosurePass": false }, { "id": "post_route_rc_drift", "label": "Post-route RC drift", "stage": "post-route", "globalSkewNs": 0.168, "maxLatencyNs": 0.695, "maxSinkSlewNs": 0.207, "setupWnsNs": 0.054, "holdWnsNs": -0.004, "bufferCount": 11, "wireLength": 480, "powerProxy": 5.87, "sourceClosurePass": false } ], "routing_profiles": [ { "id": "balanced_clean", "label": "Balanced clean detailed route", "stage": "detailed route", "totalOverflow": 0, "maxEdgeUtilization": 0.5, "globalWirelength": 37, "detailedWirelength": 37, "viaCount": 2, "guideCoverage": 1, "shortCount": 0, "blockageCount": 0, "missingViaCount": 0, "openNetCount": 0, "pinAccessCount": 10, "rcProxy": 0.458, "sourceClosurePass": true }, { "id": "global_overflow_hotspot", "label": "Global-route overflow hotspot", "stage": "global route", "totalOverflow": 9, "maxEdgeUtilization": 1.5, "globalWirelength": 47, "detailedWirelength": 0, "viaCount": 0, "guideCoverage": 0, "shortCount": 0, "blockageCount": 0, "missingViaCount": 0, "openNetCount": 5, "pinAccessCount": 0, "rcProxy": 0, "sourceClosurePass": false }, { "id": "pin_access_failure", "label": "Detailed-route pin-access failure", "stage": "detailed route", "totalOverflow": 0, "maxEdgeUtilization": 0.5, "globalWirelength": 37, "detailedWirelength": 36, "viaCount": 2, "guideCoverage": 1, "shortCount": 0, "blockageCount": 0, "missingViaCount": 0, "openNetCount": 1, "pinAccessCount": 9, "rcProxy": 0.45, "sourceClosurePass": false }, { "id": "post_extract_rc_risk", "label": "Geometry-clean route with RC risk", "stage": "post-route extraction proxy", "totalOverflow": 0, "maxEdgeUtilization": 0.5, "globalWirelength": 37, "detailedWirelength": 37, "viaCount": 2, "guideCoverage": 1, "shortCount": 0, "blockageCount": 0, "missingViaCount": 0, "openNetCount": 0, "pinAccessCount": 10, "rcProxy": 1.0076, "sourceClosurePass": false } ], "power_profiles": [ { "id": "corner_feed_nominal", "label": "Four-corner feed with distributed load", "maxStaticDropMv": 13.569, "meanStaticDropMv": 9.128, "maxCurrentDensityProxy": 25, "transientDropMv": 13.569, "floatingLoadCount": 0, "sourceClosurePass": true }, { "id": "center_hotspot", "label": "Same current concentrated at center", "maxStaticDropMv": 30.132, "meanStaticDropMv": 10.276, "maxCurrentDensityProxy": 50, "transientDropMv": 30.132, "floatingLoadCount": 0, "sourceClosurePass": true }, { "id": "via_bottleneck", "label": "Narrow connection bottleneck", "maxStaticDropMv": 25.863, "meanStaticDropMv": 7.774, "maxCurrentDensityProxy": 86.359, "transientDropMv": 25.863, "floatingLoadCount": 0, "sourceClosurePass": false }, { "id": "extracted_resistance_risk", "label": "Extracted-resistance risk", "maxStaticDropMv": 87.415, "meanStaticDropMv": 60.767, "maxCurrentDensityProxy": 25, "transientDropMv": 87.415, "floatingLoadCount": 0, "sourceClosurePass": false } ], "handoff_stages": [ { "id": "post_cts_estimate", "label": "Post-CTS estimate", "clockEvidence": 76, "routeEvidence": 24, "powerEvidence": 22, "extractionEvidence": 10, "coupling": 20, "clockDrift": 0 }, { "id": "post_global_route", "label": "Post-global-route review", "clockEvidence": 80, "routeEvidence": 55, "powerEvidence": 35, "extractionEvidence": 25, "coupling": 35, "clockDrift": 4 }, { "id": "post_detailed_route", "label": "Post-detailed-route review", "clockEvidence": 84, "routeEvidence": 78, "powerEvidence": 48, "extractionEvidence": 45, "coupling": 55, "clockDrift": 8 }, { "id": "post_extraction_review", "label": "Post-extraction handoff", "clockEvidence": 90, "routeEvidence": 88, "powerEvidence": 70, "extractionEvidence": 80, "coupling": 75, "clockDrift": 14 } ], "review_roles": [ { "id": "cts_timing", "label": "CTS / timing review", "clockWeight": 0.52, "routeWeight": 0.3, "powerWeight": 0.18, "readout": "Keep skew, insertion delay, slew, setup/hold, routed RC, and voltage context on one timing handoff." }, { "id": "routing", "label": "Routing review", "clockWeight": 0.24, "routeWeight": 0.56, "powerWeight": 0.2, "readout": "Keep overflow, completion, pin access, via and RC burden beside clock and PDN resource pressure." }, { "id": "power_integrity", "label": "Power-integrity review", "clockWeight": 0.18, "routeWeight": 0.22, "powerWeight": 0.6, "readout": "Keep static drop, current-density, transient pressure, extraction, and activity ownership visible." }, { "id": "integration_owner", "label": "Cross-domain owner review", "clockWeight": 0.34, "routeWeight": 0.33, "powerWeight": 0.33, "readout": "Resolve stage, corner, extraction, and ownership mismatches before reusing any isolated pass flag." } ], "evidence_postures": [ { "id": "fixture_only", "label": "Synthetic fixture only", "maturity": 30, "uncertainty": 26, "readinessCap": 48 }, { "id": "replacement_template", "label": "Report-replacement template", "maturity": 48, "uncertainty": 18, "readinessCap": 62 }, { "id": "owned_report_slot_declared", "label": "Owned-report slot declared", "maturity": 62, "uncertainty": 12, "readinessCap": 74 }, { "id": "signoff_boundary_hold", "label": "Signoff boundary hold", "maturity": 75, "uncertainty": 8, "readinessCap": 55 } ] }, "source_fixture_lineage": [ { "id": "SA-LAY-007", "role": "clock tree", "matrix": "07_assets/layout_lab/experiments/SA_LAY_007_CLOCK_TREE_V1/data/clock_tree_matrix_v1.csv", "contract": "07_assets/layout_lab/experiments/SA_LAY_007_CLOCK_TREE_V1/clock_tree_contract_v1.json", "primaryQa": "07_assets/layout_lab/experiments/SA_LAY_007_CLOCK_TREE_V1/output/clock_tree_qa_v1.json", "independentQa": "07_assets/layout_lab/experiments/SA_LAY_007_CLOCK_TREE_V1/output/independent_qa_v1.json", "sourceRows": 11, "hashes": { "matrix_sha256": "8B92CF174659ED9177A611CA7F7C3C28553D94A748405B511423C2850E1876FC", "contract_sha256": "0A8C0F131094234164EF5B7786A579F9972741FC47C16D2AE66E6CA1F4EC1F53", "primary_qa_sha256": "7B670A46B58FB29002900DEED02241017446C0560D986D8F93BD3329FE2E106B", "independent_qa_sha256": "13ACDAF45DD7B25BF10882D434198513B01D5A28520288D356E69B9CF09D853E" } }, { "id": "SA-LAY-008", "role": "global and detailed routing", "matrix": "07_assets/layout_lab/experiments/SA_LAY_008_ROUTING_GRID_V1/data/routing_grid_matrix_v1.csv", "contract": "07_assets/layout_lab/experiments/SA_LAY_008_ROUTING_GRID_V1/routing_grid_contract_v1.json", "primaryQa": "07_assets/layout_lab/experiments/SA_LAY_008_ROUTING_GRID_V1/output/routing_grid_qa_v1.json", "independentQa": "07_assets/layout_lab/experiments/SA_LAY_008_ROUTING_GRID_V1/output/independent_qa_v1.json", "sourceRows": 11, "hashes": { "matrix_sha256": "3C27049DB9618111244D5D3B5554874166F643467486507F0B346F2EA9C729DA", "contract_sha256": "951C2093F4D79683D40B91EEDDBA8CB842C57ED6348069A3C23255B2A726338E", "primary_qa_sha256": "7557101257246F4D9A509F3100C141BA1A0945078D81D4FBB20571CBC2EE925C", "independent_qa_sha256": "831FA562196E74D12DE5CC811370734957EABF276F3B2BC093D2D6E747C82286" } }, { "id": "SA-LAY-009", "role": "power grid and IR drop", "matrix": "07_assets/layout_lab/experiments/SA_LAY_009_POWER_GRID_V1/data/power_grid_matrix_v1.csv", "contract": "07_assets/layout_lab/experiments/SA_LAY_009_POWER_GRID_V1/power_grid_contract_v1.json", "primaryQa": "07_assets/layout_lab/experiments/SA_LAY_009_POWER_GRID_V1/output/power_grid_qa_v1.json", "independentQa": "07_assets/layout_lab/experiments/SA_LAY_009_POWER_GRID_V1/output/independent_qa_v1.json", "sourceRows": 14, "hashes": { "matrix_sha256": "462ECFF660390669067E3FEF8FDABFDADF1F3E6CBCC3A0DEDAF3680D84E289F7", "contract_sha256": "496BC606FCCA64D2D72DFD003762530026269614D918ECFCD79DBC0583167CB1", "primary_qa_sha256": "719B39F04009D8FE07CBFE08BFB5AA79B1175474478EF94C1415E8AE52275952", "independent_qa_sha256": "2EFFDE58A211FF1316C5194B5425D44A6DF67BD1FAA44C68840B71BAD87A03BD" } } ], "metric_contract": { "source_fields": "Selected values are transcribed from the saved SA-LAY-007/008/009 matrices and retain their original teaching units or proxy labels.", "normalized_fields": "Pressure, consistency, coverage, priority, and readiness fields are bounded 0-100 teaching scores for report triage only.", "combination_rule": "Rows juxtapose independently generated fixture states. They do not claim physical co-simulation, common design provenance, or cross-tool correlation.", "readiness_cap": "Evidence posture caps public readiness so a synthetic or signoff-boundary row cannot appear production-ready." }, "gate_counts": { "owned_reports_required": 1024, "stage_alignment_review": 36, "bounded_report_replacement_case": 34, "signoff_boundary_hold": 1024, "cross_domain_owner_review": 38, "current_density_review": 192, "ir_drop_review": 192, "global_route_congestion_review": 384, "detailed_route_completion_review": 384, "extracted_rc_handoff_review": 256, "cross_report_consistency_review": 20, "hold_timing_review": 512 }, "evidence_state_counts": { "synthetic_fixture_requires_owned_reports": 1024, "checkpoint_and_tool_version_alignment_required": 36, "bounded_replacement_rehearsal_only": 34, "public_teaching_case_signoff_blocked": 1024, "cts_route_power_owner_review_required": 38, "owned_current_density_and_stack_context_required": 192, "owned_power_activity_source_and_ir_report_required": 192, "owned_global_route_congestion_report_required": 384, "owned_detailed_route_and_drc_required": 384, "owned_extracted_rc_and_corner_alignment_required": 256, "cross_domain_report_alignment_required": 20, "owned_propagated_clock_sta_required": 512 }, "examples": [ { "case_id": "EDA_HANDOFF_0063", "clock_profile": "balanced_tree", "clock_profile_label": "Balanced buffered tree", "routing_profile": "balanced_clean", "routing_profile_label": "Balanced clean detailed route", "power_profile": "corner_feed_nominal", "power_profile_label": "Four-corner feed with distributed load", "handoff_stage": "post_extraction_review", "handoff_stage_label": "Post-extraction handoff", "review_role": "integration_owner", "review_role_label": "Cross-domain owner review", "evidence_posture": "owned_report_slot_declared", "evidence_posture_label": "Owned-report slot declared", "source_clock_skew_ns": "0.016", "source_clock_max_latency_ns": "0.583", "source_clock_max_slew_ns": "0.151", "source_setup_wns_ns": "0.034", "source_hold_wns_ns": "0.016", "source_clock_buffer_count": 7, "source_route_total_overflow": 0, "source_route_open_net_count": 0, "source_route_pin_access_count": 10, "source_route_via_count": 2, "source_route_rc_proxy": "0.4580", "source_power_max_static_drop_mv": "13.569", "source_power_current_density_proxy": "25.000", "source_power_transient_drop_mv": "13.569", "source_domain_pass_count": 3, "clock_skew_pressure": 8, "clock_insertion_delay_pressure": 64.78, "clock_slew_pressure": 60.4, "setup_timing_risk_proxy": 5, "hold_timing_risk_proxy": 4, "clock_resource_pressure": 29.58, "global_route_congestion_pressure": 9.33, "route_completion_risk_proxy": 0, "route_detour_via_burden": 35.36, "extracted_rc_pressure": 50.89, "ir_drop_pressure": 27.14, "current_density_pressure": 29.41, "transient_droop_pressure": 27.14, "cross_report_mismatch_pressure": 17.45, "report_consistency_score": 82.55, "cross_domain_coupling_pressure": 40.9, "evidence_coverage_score": 74.4, "timing_handoff_readiness_score": 70.66, "power_integrity_readiness_score": 72.95, "handoff_readiness_score": 68.48, "review_priority_score": 31.9, "decision_gate": "bounded_report_replacement_case", "evidence_state": "bounded_replacement_rehearsal_only", "review_readout": "Resolve stage, corner, extraction, and ownership mismatches before reusing any isolated pass flag.", "next_safe_check": "Use the template to compare owned reports, then retain accountable owner review before any closure or signoff claim." }, { "case_id": "EDA_HANDOFF_2050", "clock_profile": "useful_skew_hold_fail", "clock_profile_label": "Useful skew without hold repair", "routing_profile": "balanced_clean", "routing_profile_label": "Balanced clean detailed route", "power_profile": "corner_feed_nominal", "power_profile_label": "Four-corner feed with distributed load", "handoff_stage": "post_cts_estimate", "handoff_stage_label": "Post-CTS estimate", "review_role": "cts_timing", "review_role_label": "CTS / timing review", "evidence_posture": "replacement_template", "evidence_posture_label": "Report-replacement template", "source_clock_skew_ns": "0.100", "source_clock_max_latency_ns": "0.675", "source_clock_max_slew_ns": "0.147", "source_setup_wns_ns": "0.000", "source_hold_wns_ns": "-0.080", "source_clock_buffer_count": 9, "source_route_total_overflow": 0, "source_route_open_net_count": 0, "source_route_pin_access_count": 10, "source_route_via_count": 2, "source_route_rc_proxy": "0.4580", "source_power_max_static_drop_mv": "13.569", "source_power_current_density_proxy": "25.000", "source_power_transient_drop_mv": "13.569", "source_domain_pass_count": 2, "clock_skew_pressure": 50, "clock_insertion_delay_pressure": 75, "clock_slew_pressure": 58.8, "setup_timing_risk_proxy": 33.33, "hold_timing_risk_proxy": 100, "clock_resource_pressure": 35.1, "global_route_congestion_pressure": 9.33, "route_completion_risk_proxy": 0, "route_detour_via_burden": 35.36, "extracted_rc_pressure": 50.89, "ir_drop_pressure": 27.14, "current_density_pressure": 29.41, "transient_droop_pressure": 27.14, "cross_report_mismatch_pressure": 52.3, "report_consistency_score": 47.7, "cross_domain_coupling_pressure": 48.52, "evidence_coverage_score": 38.7, "timing_handoff_readiness_score": 48.12, "power_integrity_readiness_score": 59.39, "handoff_readiness_score": 36.84, "review_priority_score": 52.78, "decision_gate": "hold_timing_review", "evidence_state": "owned_propagated_clock_sta_required", "review_readout": "Keep skew, insertion delay, slew, setup/hold, routed RC, and voltage context on one timing handoff.", "next_safe_check": "Inspect propagated-clock hold paths, uncertainty, CRPR, minimum-delay corners, and repair impact in the owned STA report." }, { "case_id": "EDA_HANDOFF_0263", "clock_profile": "balanced_tree", "clock_profile_label": "Balanced buffered tree", "routing_profile": "global_overflow_hotspot", "routing_profile_label": "Global-route overflow hotspot", "power_profile": "corner_feed_nominal", "power_profile_label": "Four-corner feed with distributed load", "handoff_stage": "post_cts_estimate", "handoff_stage_label": "Post-CTS estimate", "review_role": "routing", "review_role_label": "Routing review", "evidence_posture": "owned_report_slot_declared", "evidence_posture_label": "Owned-report slot declared", "source_clock_skew_ns": "0.016", "source_clock_max_latency_ns": "0.583", "source_clock_max_slew_ns": "0.151", "source_setup_wns_ns": "0.034", "source_hold_wns_ns": "0.016", "source_clock_buffer_count": 7, "source_route_total_overflow": 9, "source_route_open_net_count": 5, "source_route_pin_access_count": 0, "source_route_via_count": 0, "source_route_rc_proxy": "0.0000", "source_power_max_static_drop_mv": "13.569", "source_power_current_density_proxy": "25.000", "source_power_transient_drop_mv": "13.569", "source_domain_pass_count": 2, "clock_skew_pressure": 8, "clock_insertion_delay_pressure": 64.78, "clock_slew_pressure": 60.4, "setup_timing_risk_proxy": 5, "hold_timing_risk_proxy": 4, "clock_resource_pressure": 29.58, "global_route_congestion_pressure": 100, "route_completion_risk_proxy": 100, "route_detour_via_burden": 45, "extracted_rc_pressure": 0, "ir_drop_pressure": 27.14, "current_density_pressure": 29.41, "transient_droop_pressure": 27.14, "cross_report_mismatch_pressure": 52.42, "report_consistency_score": 47.58, "cross_domain_coupling_pressure": 53.79, "evidence_coverage_score": 44.02, "timing_handoff_readiness_score": 51.68, "power_integrity_readiness_score": 61.41, "handoff_readiness_score": 33.8, "review_priority_score": 61.84, "decision_gate": "global_route_congestion_review", "evidence_state": "owned_global_route_congestion_report_required", "review_readout": "Keep overflow, completion, pin access, via and RC burden beside clock and PDN resource pressure.", "next_safe_check": "Inspect congestion maps, overflow, layer capacity, critical-net handling, detours, and the next detailed-route checkpoint." }, { "case_id": "EDA_HANDOFF_0139", "clock_profile": "balanced_tree", "clock_profile_label": "Balanced buffered tree", "routing_profile": "balanced_clean", "routing_profile_label": "Balanced clean detailed route", "power_profile": "via_bottleneck", "power_profile_label": "Narrow connection bottleneck", "handoff_stage": "post_cts_estimate", "handoff_stage_label": "Post-CTS estimate", "review_role": "power_integrity", "review_role_label": "Power-integrity review", "evidence_posture": "owned_report_slot_declared", "evidence_posture_label": "Owned-report slot declared", "source_clock_skew_ns": "0.016", "source_clock_max_latency_ns": "0.583", "source_clock_max_slew_ns": "0.151", "source_setup_wns_ns": "0.034", "source_hold_wns_ns": "0.016", "source_clock_buffer_count": 7, "source_route_total_overflow": 0, "source_route_open_net_count": 0, "source_route_pin_access_count": 10, "source_route_via_count": 2, "source_route_rc_proxy": "0.4580", "source_power_max_static_drop_mv": "25.863", "source_power_current_density_proxy": "86.359", "source_power_transient_drop_mv": "25.863", "source_domain_pass_count": 2, "clock_skew_pressure": 8, "clock_insertion_delay_pressure": 64.78, "clock_slew_pressure": 60.4, "setup_timing_risk_proxy": 5, "hold_timing_risk_proxy": 4, "clock_resource_pressure": 29.58, "global_route_congestion_pressure": 9.33, "route_completion_risk_proxy": 0, "route_detour_via_burden": 35.36, "extracted_rc_pressure": 50.89, "ir_drop_pressure": 51.73, "current_density_pressure": 100, "transient_droop_pressure": 51.73, "cross_report_mismatch_pressure": 53.38, "report_consistency_score": 46.62, "cross_domain_coupling_pressure": 49.44, "evidence_coverage_score": 44.02, "timing_handoff_readiness_score": 64.5, "power_integrity_readiness_score": 36.18, "handoff_readiness_score": 35.08, "review_priority_score": 59.43, "decision_gate": "current_density_review", "evidence_state": "owned_current_density_and_stack_context_required", "review_readout": "Keep static drop, current-density, transient pressure, extraction, and activity ownership visible.", "next_safe_check": "Check owned stack widths, vias, current distribution, temperature, activity assumptions, and foundry-qualified EM rules." }, { "case_id": "EDA_HANDOFF_0004", "clock_profile": "balanced_tree", "clock_profile_label": "Balanced buffered tree", "routing_profile": "balanced_clean", "routing_profile_label": "Balanced clean detailed route", "power_profile": "corner_feed_nominal", "power_profile_label": "Four-corner feed with distributed load", "handoff_stage": "post_cts_estimate", "handoff_stage_label": "Post-CTS estimate", "review_role": "cts_timing", "review_role_label": "CTS / timing review", "evidence_posture": "signoff_boundary_hold", "evidence_posture_label": "Signoff boundary hold", "source_clock_skew_ns": "0.016", "source_clock_max_latency_ns": "0.583", "source_clock_max_slew_ns": "0.151", "source_setup_wns_ns": "0.034", "source_hold_wns_ns": "0.016", "source_clock_buffer_count": 7, "source_route_total_overflow": 0, "source_route_open_net_count": 0, "source_route_pin_access_count": 10, "source_route_via_count": 2, "source_route_rc_proxy": "0.4580", "source_power_max_static_drop_mv": "13.569", "source_power_current_density_proxy": "25.000", "source_power_transient_drop_mv": "13.569", "source_domain_pass_count": 3, "clock_skew_pressure": 8, "clock_insertion_delay_pressure": 64.78, "clock_slew_pressure": 60.4, "setup_timing_risk_proxy": 5, "hold_timing_risk_proxy": 4, "clock_resource_pressure": 29.58, "global_route_congestion_pressure": 9.33, "route_completion_risk_proxy": 0, "route_detour_via_burden": 35.36, "extracted_rc_pressure": 50.89, "ir_drop_pressure": 27.14, "current_density_pressure": 29.41, "transient_droop_pressure": 27.14, "cross_report_mismatch_pressure": 9.33, "report_consistency_score": 90.67, "cross_domain_coupling_pressure": 28.08, "evidence_coverage_score": 48.96, "timing_handoff_readiness_score": 66.38, "power_integrity_readiness_score": 63.29, "handoff_readiness_score": 55, "review_priority_score": 25.61, "decision_gate": "signoff_boundary_hold", "evidence_state": "public_teaching_case_signoff_blocked", "review_readout": "Keep skew, insertion delay, slew, setup/hold, routed RC, and voltage context on one timing handoff.", "next_safe_check": "Keep this row as teaching evidence; use an authorized signoff flow and accountable owner outside the public replay." } ], "public_boundary": [ "No live OpenROAD, OpenLane, OpenSTA, TritonCTS, FastRoute, TritonRoute, PDNSim, OpenRCX, SPICE, PEX, or server-side EDA execution.", "No uploaded design, netlist, constraint, timing, congestion, DRC, route, power, activity, DEF, GDS, LEF, Liberty, SDC, SPEF, or report parsing.", "No PDK, standard-cell library, technology file, extraction rule, foundry rule deck, proprietary report body, or restricted design collateral is copied or redistributed.", "The three source fixtures are independent PDK-free teaching experiments. Their Cartesian juxtaposition is a report-handoff rehearsal, not a coupled implementation run.", "No row is timing closure, detailed-route completion, EM/IR signoff, ECO guidance, tapeout readiness, qualification, foundry acceptance, or product readiness.", "Owned tool versions, design checkpoint, libraries, constraints, extraction, activity/current data, corners, report provenance, and accountable owner review are required for engineering reuse." ], "sources": [ { "label": "OpenROAD clock tree synthesis", "url": "https://openroad.readthedocs.io/en/latest/main/src/cts/README.html", "note": "Official documentation for TritonCTS, characterization, sink and macro clustering, buffering, insertion-delay, and report vocabulary." }, { "label": "OpenROAD global routing", "url": "https://openroad.readthedocs.io/en/latest/main/src/grt/README.html", "note": "Official documentation for FastRoute-based global routing, guides, congestion iterations, overflow, and timing-aware routing vocabulary." }, { "label": "OpenROAD detailed routing", "url": "https://openroad.readthedocs.io/en/latest/main/src/drt/README.html", "note": "Official documentation for detailed routing, DRC-oriented search and repair, and routed-geometry report vocabulary." }, { "label": "OpenROAD power distribution network generation", "url": "https://openroad.readthedocs.io/en/latest/main/src/pdn/README.html", "note": "Official documentation for PDN grids, rings, straps, connections, and connectivity checks." }, { "label": "OpenROAD IR-drop analysis", "url": "https://openroad.readthedocs.io/en/latest/main/src/psm/README.html", "note": "Official documentation for PDNSim static voltage-drop, current-density, source, and connectivity report vocabulary." }, { "label": "OpenROAD parasitics extraction", "url": "https://openroad.readthedocs.io/en/latest/main/src/rcx/README.html", "note": "Official documentation for OpenRCX extraction and resistance/capacitance handoff vocabulary." }, { "label": "OpenSTA engine", "url": "https://github.com/The-OpenROAD-Project/OpenSTA", "note": "Official project source for static-timing concepts, propagated clocks, constraints, parasitics, and report interpretation." } ] }