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flow: Global sizing exploration #4293

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b1cc8cf
flow: Bump OpenROAD to global sizing branch (PR 10599)
jhkim-pii Jun 12, 2026
aa96535
flow: Use GLOBAL_SIZING phases for post-CTS repair_timing
jhkim-pii Jun 12, 2026
495b940
flow: Tune secure exploration sizing configs
jhkim-pii Jun 15, 2026
f8e38e8
test: Rerun CI after OpenROAD sync
jhkim-pii Jun 15, 2026
bdea338
test: Update global sizing metric baselines
jhkim-pii Jun 15, 2026
8d70099
Merge remote-tracking branch 'origin/master' into secure-explore-glob…
jhkim-pii Jun 15, 2026
ef7ab0f
test: Update microwatt antenna metric baseline
jhkim-pii Jun 15, 2026
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2 changes: 1 addition & 1 deletion flow/designs/gf12/ibex/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ export SYNTH_HDL_FRONTEND = slang

export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc

export CORE_UTILIZATION = 40
export CORE_UTILIZATION = 32
export CORE_ASPECT_RATIO = 1
export CORE_MARGIN = 2

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2 changes: 1 addition & 1 deletion flow/designs/gf12/jpeg/config.mk
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Expand Up @@ -8,7 +8,7 @@ export VERILOG_INCLUDE_DIRS = $(DESIGN_HOME)/src/$(DESIGN_NICKNAME)/include
export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc
export ABC_AREA = 1

export CORE_UTILIZATION = 45
export CORE_UTILIZATION = 36
export CORE_ASPECT_RATIO = 1
export CORE_MARGIN = 2

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2 changes: 1 addition & 1 deletion flow/designs/ihp-sg13g2/ibex/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
# Adders degrade ibex setup repair
export ADDER_MAP_FILE :=

export CORE_UTILIZATION = 70
export CORE_UTILIZATION = 55
export PLACE_DENSITY_LB_ADDON = 0.2
export TNS_END_PERCENT = 100
export CTS_BUF_DISTANCE = 60
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6 changes: 3 additions & 3 deletions flow/designs/nangate45/bp_be_top/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -20.1,
"value": -21.1,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand Down Expand Up @@ -94,7 +94,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -21.1,
"value": -22.7,
"compare": ">="
},
"finish__timing__hold__ws": {
Expand All @@ -109,4 +109,4 @@
"value": 275387,
"compare": "<="
}
}
}
4 changes: 2 additions & 2 deletions flow/designs/nangate45/gcd/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@
"compare": ">="
},
"cts__timing__setup__tns": {
"value": -0.396,
"value": -0.502,
"compare": ">="
},
"cts__timing__hold__ws": {
Expand Down Expand Up @@ -109,4 +109,4 @@
"value": 980,
"compare": "<="
}
}
}
6 changes: 3 additions & 3 deletions flow/designs/nangate45/jpeg/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -45.8,
"value": -49.3,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand All @@ -74,7 +74,7 @@
"compare": ">="
},
"detailedroute__route__wirelength": {
"value": 631144,
"value": 752388,
"compare": "<="
},
"detailedroute__route__drc_errors": {
Expand All @@ -94,7 +94,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -37.0,
"value": -47.4,
"compare": ">="
},
"finish__timing__hold__ws": {
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2 changes: 1 addition & 1 deletion flow/designs/sky130hd/microwatt/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@
"compare": "<="
},
"detailedroute__antenna__violating__nets": {
"value": 0,
"value": 6,
"compare": "<="
},
"detailedroute__antenna_diodes_count": {
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10 changes: 5 additions & 5 deletions flow/designs/sky130hs/gcd/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -58,11 +58,11 @@
"compare": "<="
},
"globalroute__timing__setup__ws": {
"value": -0.524,
"value": -0.921,
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -16.8,
"value": -23.4,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand All @@ -74,7 +74,7 @@
"compare": ">="
},
"detailedroute__route__wirelength": {
"value": 13054,
"value": 20061,
"compare": "<="
},
"detailedroute__route__drc_errors": {
Expand All @@ -90,11 +90,11 @@
"compare": "<="
},
"finish__timing__setup__ws": {
"value": -0.423,
"value": -0.872,
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -12.6,
"value": -21.1,
"compare": ">="
},
"finish__timing__hold__ws": {
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4 changes: 2 additions & 2 deletions flow/designs/sky130hs/ibex/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@
"compare": "<="
},
"globalroute__timing__setup__ws": {
"value": -0.525,
"value": -0.885,
"compare": ">="
},
"globalroute__timing__setup__tns": {
Expand Down Expand Up @@ -106,7 +106,7 @@
"compare": ">="
},
"finish__design__instance__area": {
"value": 243893,
"value": 296341,
"compare": "<="
}
}
6 changes: 3 additions & 3 deletions flow/designs/sky130hs/riscv32i/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -142.0,
"value": -182.0,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand Down Expand Up @@ -94,7 +94,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -29.2,
"value": -106.0,
"compare": ">="
},
"finish__timing__hold__ws": {
Expand All @@ -106,7 +106,7 @@
"compare": ">="
},
"finish__design__instance__area": {
"value": 112385,
"value": 131629,
"compare": "<="
}
}
2 changes: 1 addition & 1 deletion flow/scripts/cts.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ if { !$::env(SKIP_CTS_REPAIR_TIMING) } {
write_lec_verilog 4_before_rsz_lec.v
}

repair_timing_helper
repair_timing_helper -phases "GLOBAL_SIZING LEGACY LAST_GASP CRIT_VT_SWAP"
Comment thread
jhkim-pii marked this conversation as resolved.

if { $lec_enabled } {
write_lec_verilog 4_after_rsz_lec.v
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2 changes: 1 addition & 1 deletion tools/OpenROAD
Open in desktop
Submodule OpenROAD updated 80 files
+2 −0 CMakeLists.txt
+7 −0 src/cts/src/TritonCTS.cpp
+14 −0 src/dbSta/src/dbNetwork.cc
+16 −1 src/est/src/EstimateParasitics.cpp
+1 −1 src/gpl/test/mbff_test.cpp
+7 −0 src/grt/src/GlobalRouter.cpp
+111 −3 src/odb/include/odb/db.h
+40 −0 src/odb/include/odb/dbCompare.inc
+5 −0 src/odb/include/odb/dbObject.h
+0 −157 src/odb/include/odb/unfoldedModel.h
+1 −0 src/odb/src/3dblox/BUILD
+316 −229 src/odb/src/3dblox/checker.cpp
+8 −17 src/odb/src/3dblox/checker.h
+53 −0 src/odb/src/codeGenerator/schema.json
+34 −0 src/odb/src/codeGenerator/schema/chip/dbUnfoldedChipBumpInst.json
+31 −0 src/odb/src/codeGenerator/schema/chip/dbUnfoldedChipConn.json
+37 −0 src/odb/src/codeGenerator/schema/chip/dbUnfoldedChipInst.json
+25 −0 src/odb/src/codeGenerator/schema/chip/dbUnfoldedChipNet.json
+57 −0 src/odb/src/codeGenerator/schema/chip/dbUnfoldedChipRegionInst.json
+0 −1 src/odb/src/db/BUILD
+8 −1 src/odb/src/db/CMakeLists.txt
+125 −9 src/odb/src/db/dbDatabase.cpp
+16 −3 src/odb/src/db/dbDatabase.h
+15 −0 src/odb/src/db/dbObject.cpp
+263 −0 src/odb/src/db/dbUnfoldedBuilder.cpp
+56 −0 src/odb/src/db/dbUnfoldedBuilder.h
+121 −0 src/odb/src/db/dbUnfoldedChipBumpInst.cpp
+39 −0 src/odb/src/db/dbUnfoldedChipBumpInst.h
+94 −0 src/odb/src/db/dbUnfoldedChipBumpInstItr.cpp
+39 −0 src/odb/src/db/dbUnfoldedChipBumpInstItr.h
+103 −0 src/odb/src/db/dbUnfoldedChipConn.cpp
+39 −0 src/odb/src/db/dbUnfoldedChipConn.h
+135 −0 src/odb/src/db/dbUnfoldedChipInst.cpp
+44 −0 src/odb/src/db/dbUnfoldedChipInst.h
+93 −0 src/odb/src/db/dbUnfoldedChipNet.cpp
+39 −0 src/odb/src/db/dbUnfoldedChipNet.h
+188 −0 src/odb/src/db/dbUnfoldedChipRegionInst.cpp
+48 −0 src/odb/src/db/dbUnfoldedChipRegionInst.h
+95 −0 src/odb/src/db/dbUnfoldedChipRegionInstItr.cpp
+39 −0 src/odb/src/db/dbUnfoldedChipRegionInstItr.h
+0 −310 src/odb/src/db/unfoldedModel.cpp
+28 −1 src/pad/src/PadPlacer.cpp
+19 −13 src/pad/src/RDLRouter.cpp
+16 −3 src/pad/src/RDLRouter.h
+1 −0 src/pad/test/BUILD
+1 −0 src/pad/test/CMakeLists.txt
+796 −0 src/pad/test/place_pads_placer_fullyblocked.defok
+9 −0 src/pad/test/place_pads_placer_fullyblocked.ok
+33 −0 src/pad/test/place_pads_placer_fullyblocked.tcl
+18 −26 src/pad/test/rdl_route_failed.ok
+0 −1 src/pad/test/rdl_route_max_iterations.ok
+0 −4 src/ram/README.md
+5 −3 src/ram/include/ram/ram.h
+16 −5 src/ram/src/ram.cpp
+2 −3 src/ram/src/ram.i
+4 −18 src/ram/src/ram.tcl
+0 −2 src/ram/test/make_7x7_nangate45.tcl
+0 −2 src/ram/test/make_8x8_latch_sky130.tcl
+0 −2 src/ram/test/make_8x8_mux2_sky130.tcl
+0 −2 src/ram/test/make_8x8_mux4_sky130.tcl
+0 −2 src/ram/test/make_8x8_sky130.tcl
+4 −0 src/rsz/BUILD
+17 −0 src/rsz/include/rsz/Resizer.hh
+2 −0 src/rsz/src/CMakeLists.txt
+605 −0 src/rsz/src/LRSubproblem.cc
+247 −0 src/rsz/src/LRSubproblem.hh
+7 −2 src/rsz/src/Optimizer.cc
+32 −9 src/rsz/src/Resizer.cc
+1,053 −0 src/rsz/src/policy/GlobalSizingPolicy.cc
+168 −0 src/rsz/src/policy/GlobalSizingPolicy.hh
+3 −0 src/rsz/test/BUILD
+2 −0 src/rsz/test/CMakeLists.txt
+35 −0 src/rsz/test/global_sizing.tcl
+2,019 −0 src/rsz/test/global_sizing.vok
+7 −0 src/rsz/test/global_sizing_threads.tcl
+2 −2 src/rsz/test/repair_setup_invalid_phase.ok
+23 −0 src/web/src/style.css
+123 −41 src/web/src/timing-widget.js
+25 −8 src/web/src/ui-utils.js
+231 −0 src/web/test/js/test-timing-widget.js