diff --git a/.github/workflows/github-actions-update-rules.yml b/.github/workflows/github-actions-update-rules.yml
index 01e4ddc27e..c728f90df9 100644
--- a/.github/workflows/github-actions-update-rules.yml
+++ b/.github/workflows/github-actions-update-rules.yml
@@ -18,7 +18,7 @@ jobs:
         run: |
           git config --add remote.origin.fetch "+refs/pull/*/head:refs/remotes/origin/pr/*"
           git fetch
-          git checkout ${{ github.event.client_payload.branch }}
+          git checkout "origin/pr/${{ github.event.client_payload.branch }}"
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
@@ -53,7 +53,7 @@ jobs:
         name: update rules pr
         id: remote-update-pr
         run: |
-          git push origin ${{ github.event.client_payload.branch }}
+          git push origin "HEAD:refs/pull/${{ github.event.client_payload.branch }}/head"
       - if: "steps.remote-update.outputs.has_update == 'true' && github.event.client_payload.branch == 'master'"
         name: Create Draft PR
         uses: peter-evans/create-pull-request@v5
diff --git a/flow/Makefile b/flow/Makefile
index 2454bdfea7..19a7186cc2 100644
--- a/flow/Makefile
+++ b/flow/Makefile
@@ -287,7 +287,7 @@ endif
 export OPENROAD_EXE      ?= $(abspath $(FLOW_HOME)/../tools/install/OpenROAD/bin/openroad)
 export OPENSTA_EXE       ?= $(abspath $(FLOW_HOME)/../tools/install/OpenROAD/bin/sta)
 
-OPENROAD_ARGS            = -no_init $(OR_ARGS)
+OPENROAD_ARGS            = -no_init -threads $(NUM_CORES) $(OR_ARGS)
 OPENROAD_CMD             = $(OPENROAD_EXE) -exit $(OPENROAD_ARGS)
 OPENROAD_NO_EXIT_CMD     = $(OPENROAD_EXE) $(OPENROAD_ARGS)
 OPENROAD_GUI_CMD         = $(OPENROAD_EXE) -gui $(OR_ARGS)
@@ -490,7 +490,7 @@ $(SDC_FILE_CLOCK_PERIOD): $(SDC_FILE)
 	echo $(ABC_CLOCK_PERIOD_IN_PS) > $@
 
 .PHONY: yosys-dependencies
-yosys-dependencies: $(DONT_USE_LIBS) $(WRAPPED_LIBS) $(DONT_USE_SC_LIB) $(DFF_LIB_FILE) $(VERILOG_FILES) $(CACHED_NETLIST) $(LATCH_MAP_FILE) $(ADDER_MAP_FILE)
+yosys-dependencies: $(DONT_USE_LIBS) $(WRAPPED_LIBS) $(DONT_USE_SC_LIB) $(DFF_LIB_FILE) $(VERILOG_FILES) $(CACHED_NETLIST) $(LATCH_MAP_FILE) $(ADDER_MAP_FILE) $(SDC_FILE_CLOCK_PERIOD)
 
 .PHONY: do-yosys
 do-yosys:
@@ -503,10 +503,10 @@ do-yosys-canonicalize: yosys-dependencies
 	mkdir -p $(RESULTS_DIR) $(LOG_DIR) $(REPORTS_DIR) $(OBJECTS_DIR)
 	($(TIME_CMD) $(YOSYS_CMD) $(YOSYS_FLAGS) -c $(SCRIPTS_DIR)/synth_canonicalize.tcl) 2>&1 | tee $(LOG_DIR)/1_1_yosys.log
 
-$(RESULTS_DIR)/1_synth.rtlil: $(SDC_FILE_CLOCK_PERIOD)
+$(RESULTS_DIR)/1_synth.rtlil:
 	$(UNSET_AND_MAKE) do-yosys-canonicalize
 
-$(RESULTS_DIR)/1_1_yosys.v: $(RESULTS_DIR)/1_synth.rtlil $(SDC_FILE_CLOCK_PERIOD)
+$(RESULTS_DIR)/1_1_yosys.v: $(RESULTS_DIR)/1_synth.rtlil
 	$(UNSET_AND_MAKE) do-yosys
 
 $(RESULTS_DIR)/1_synth.sdc: $(SDC_FILE)
diff --git a/flow/designs/asap7/mock-alu/metadata-base-ok.json b/flow/designs/asap7/mock-alu/metadata-base-ok.json
index ed7df8c81b..aeb3124ae2 100644
--- a/flow/designs/asap7/mock-alu/metadata-base-ok.json
+++ b/flow/designs/asap7/mock-alu/metadata-base-ok.json
@@ -5,7 +5,7 @@
   ],
   "cts__clock__skew__hold": 13.5493,
   "cts__clock__skew__setup": 10.7069,
-  "cts__cpu__total": 138.38,
+  "cts__cpu__total": 146.98,
   "cts__design__core__area": 2872.41,
   "cts__design__die__area": 3342.11,
   "cts__design__instance__area": 1640.5,
@@ -25,13 +25,13 @@
   "cts__design__violations": 0,
   "cts__flow__errors__count": 0,
   "cts__flow__warnings__count": 11,
-  "cts__mem__peak": 292656.0,
+  "cts__mem__peak": 292024.0,
   "cts__power__internal__total": 0.0575174,
   "cts__power__leakage__total": 1.07023e-06,
   "cts__power__switching__total": 0.0398433,
   "cts__power__total": 0.0973618,
   "cts__route__wirelength__estimated": 36116.3,
-  "cts__runtime__total": "2:18.57",
+  "cts__runtime__total": "2:27.14",
   "cts__timing__drv__hold_violation_count": 0,
   "cts__timing__drv__max_cap": 0,
   "cts__timing__drv__max_cap_limit": 0.073199,
@@ -43,7 +43,7 @@
   "cts__timing__setup__tns": -239641,
   "cts__timing__setup__ws": -500.178,
   "design__io__hpwl": 2988243,
-  "detailedplace__cpu__total": 8.22,
+  "detailedplace__cpu__total": 8.72,
   "detailedplace__design__core__area": 2872.41,
   "detailedplace__design__die__area": 3342.11,
   "detailedplace__design__instance__area": 1547.96,
@@ -61,13 +61,13 @@
   "detailedplace__design__violations": 0,
   "detailedplace__flow__errors__count": 0,
   "detailedplace__flow__warnings__count": 10,
-  "detailedplace__mem__peak": 269132.0,
+  "detailedplace__mem__peak": 268556.0,
   "detailedplace__power__internal__total": 0.0495673,
   "detailedplace__power__leakage__total": 9.9424e-07,
   "detailedplace__power__switching__total": 0.0317671,
   "detailedplace__power__total": 0.0813354,
   "detailedplace__route__wirelength__estimated": 28741.9,
-  "detailedplace__runtime__total": "0:08.38",
+  "detailedplace__runtime__total": "0:08.86",
   "detailedplace__timing__drv__hold_violation_count": 0,
   "detailedplace__timing__drv__max_cap": 0,
   "detailedplace__timing__drv__max_cap_limit": 0.073199,
@@ -80,78 +80,74 @@
   "detailedplace__timing__setup__ws": -659.993,
   "detailedroute__antenna__violating__nets": 0,
   "detailedroute__antenna__violating__pins": 0,
-  "detailedroute__cpu__total": 2219.1,
+  "detailedroute__cpu__total": 2340.4,
   "detailedroute__flow__errors__count": 0,
   "detailedroute__flow__warnings__count": 15,
-  "detailedroute__mem__peak": 5819732.0,
+  "detailedroute__mem__peak": 5847280.0,
   "detailedroute__route__drc_errors": 0,
-  "detailedroute__route__drc_errors__iter:1": 4222,
-  "detailedroute__route__drc_errors__iter:2": 790,
-  "detailedroute__route__drc_errors__iter:3": 745,
-  "detailedroute__route__drc_errors__iter:4": 27,
-  "detailedroute__route__drc_errors__iter:5": 4,
-  "detailedroute__route__drc_errors__iter:6": 4,
-  "detailedroute__route__drc_errors__iter:7": 0,
-  "detailedroute__route__net": 14001,
+  "detailedroute__route__drc_errors__iter:1": 4130,
+  "detailedroute__route__drc_errors__iter:2": 888,
+  "detailedroute__route__drc_errors__iter:3": 679,
+  "detailedroute__route__drc_errors__iter:4": 25,
+  "detailedroute__route__drc_errors__iter:5": 0,
+  "detailedroute__route__net": 14107,
   "detailedroute__route__net__special": 2,
-  "detailedroute__route__vias": 127559,
+  "detailedroute__route__vias": 130856,
   "detailedroute__route__vias__multicut": 0,
-  "detailedroute__route__vias__singlecut": 127559,
-  "detailedroute__route__wirelength": 67919,
-  "detailedroute__route__wirelength__iter:1": 68234,
-  "detailedroute__route__wirelength__iter:2": 67906,
-  "detailedroute__route__wirelength__iter:3": 67865,
-  "detailedroute__route__wirelength__iter:4": 67915,
-  "detailedroute__route__wirelength__iter:5": 67916,
-  "detailedroute__route__wirelength__iter:6": 67919,
-  "detailedroute__route__wirelength__iter:7": 67919,
-  "detailedroute__runtime__total": "3:40.85",
-  "fillcell__cpu__total": 1.4,
-  "fillcell__mem__peak": 220016.0,
-  "fillcell__runtime__total": "0:01.50",
-  "finish__clock__skew__hold": 17.8601,
-  "finish__clock__skew__setup": 17.8388,
-  "finish__cpu__total": 18.24,
+  "detailedroute__route__vias__singlecut": 130856,
+  "detailedroute__route__wirelength": 71745,
+  "detailedroute__route__wirelength__iter:1": 72114,
+  "detailedroute__route__wirelength__iter:2": 71705,
+  "detailedroute__route__wirelength__iter:3": 71666,
+  "detailedroute__route__wirelength__iter:4": 71743,
+  "detailedroute__route__wirelength__iter:5": 71745,
+  "detailedroute__runtime__total": "3:50.96",
+  "fillcell__cpu__total": 1.46,
+  "fillcell__mem__peak": 220296.0,
+  "fillcell__runtime__total": "0:01.57",
+  "finish__clock__skew__hold": 14.9935,
+  "finish__clock__skew__setup": 14.3545,
+  "finish__cpu__total": 20.61,
   "finish__design__core__area": 2872.41,
   "finish__design__die__area": 3342.11,
-  "finish__design__instance__area": 1700.42,
+  "finish__design__instance__area": 1713.12,
   "finish__design__instance__area__macros": 0,
-  "finish__design__instance__area__stdcell": 1700.42,
-  "finish__design__instance__count": 13264,
+  "finish__design__instance__area__stdcell": 1713.12,
+  "finish__design__instance__count": 13370,
   "finish__design__instance__count__macros": 0,
-  "finish__design__instance__count__stdcell": 13264,
-  "finish__design__instance__utilization": 0.591985,
-  "finish__design__instance__utilization__stdcell": 0.591985,
+  "finish__design__instance__count__stdcell": 13370,
+  "finish__design__instance__utilization": 0.596406,
+  "finish__design__instance__utilization__stdcell": 0.596406,
   "finish__design__io": 200,
-  "finish__design_powergrid__drop__average__net:VDD__corner:default": 0.760429,
-  "finish__design_powergrid__drop__average__net:VSS__corner:default": 0.0114491,
-  "finish__design_powergrid__drop__worst__net:VDD__corner:default": 0.0503237,
-  "finish__design_powergrid__drop__worst__net:VSS__corner:default": 0.0504493,
-  "finish__design_powergrid__voltage__worst__net:VDD__corner:default": 0.719676,
-  "finish__design_powergrid__voltage__worst__net:VSS__corner:default": 0.0504493,
+  "finish__design_powergrid__drop__average__net:VDD__corner:default": 0.760386,
+  "finish__design_powergrid__drop__average__net:VSS__corner:default": 0.0115205,
+  "finish__design_powergrid__drop__worst__net:VDD__corner:default": 0.050009,
+  "finish__design_powergrid__drop__worst__net:VSS__corner:default": 0.0500151,
+  "finish__design_powergrid__voltage__worst__net:VDD__corner:default": 0.719991,
+  "finish__design_powergrid__voltage__worst__net:VSS__corner:default": 0.0500151,
   "finish__flow__errors__count": 0,
   "finish__flow__warnings__count": 11,
-  "finish__mem__peak": 537468.0,
-  "finish__power__internal__total": 0.0584247,
-  "finish__power__leakage__total": 1.12733e-06,
-  "finish__power__switching__total": 0.0450589,
-  "finish__power__total": 0.103485,
-  "finish__runtime__total": "0:18.51",
-  "finish__timing__drv__hold_violation_count": 67,
+  "finish__mem__peak": 539572.0,
+  "finish__power__internal__total": 0.058541,
+  "finish__power__leakage__total": 1.13882e-06,
+  "finish__power__switching__total": 0.0455533,
+  "finish__power__total": 0.104095,
+  "finish__runtime__total": "0:21.00",
+  "finish__timing__drv__hold_violation_count": 61,
   "finish__timing__drv__max_cap": 0,
-  "finish__timing__drv__max_cap_limit": 0.00386451,
+  "finish__timing__drv__max_cap_limit": 0.0225912,
   "finish__timing__drv__max_fanout": 0,
   "finish__timing__drv__max_fanout_limit": 0,
-  "finish__timing__drv__max_slew": 360,
-  "finish__timing__drv__max_slew_limit": -0.600186,
-  "finish__timing__drv__setup_violation_count": 1335,
-  "finish__timing__setup__tns": -269564,
-  "finish__timing__setup__ws": -713.021,
-  "finish__timing__wns_percent_delay": -77.6605,
-  "finish_merge__cpu__total": 2.05,
-  "finish_merge__mem__peak": 488636.0,
-  "finish_merge__runtime__total": "0:02.27",
-  "floorplan__cpu__total": 4.17,
+  "finish__timing__drv__max_slew": 385,
+  "finish__timing__drv__max_slew_limit": -1.02663,
+  "finish__timing__drv__setup_violation_count": 1336,
+  "finish__timing__setup__tns": -264239,
+  "finish__timing__setup__ws": -777.569,
+  "finish__timing__wns_percent_delay": -79.359026,
+  "finish_merge__cpu__total": 2.26,
+  "finish_merge__mem__peak": 490452.0,
+  "finish_merge__runtime__total": "0:02.48",
+  "floorplan__cpu__total": 4.36,
   "floorplan__design__core__area": 2872.41,
   "floorplan__design__die__area": 3342.11,
   "floorplan__design__instance__area": 1427.75,
@@ -165,32 +161,32 @@
   "floorplan__design__io": 200,
   "floorplan__flow__errors__count": 0,
   "floorplan__flow__warnings__count": 11,
-  "floorplan__mem__peak": 237784.0,
+  "floorplan__mem__peak": 238268.0,
   "floorplan__power__internal__total": 0.046759,
   "floorplan__power__leakage__total": 8.59424e-07,
   "floorplan__power__switching__total": 0.0258013,
   "floorplan__power__total": 0.0725612,
-  "floorplan__runtime__total": "0:04.29",
+  "floorplan__runtime__total": "0:04.50",
   "floorplan__timing__setup__tns": -662034,
   "floorplan__timing__setup__ws": -2535.34,
-  "floorplan_io__cpu__total": 1.31,
-  "floorplan_io__mem__peak": 205276.0,
-  "floorplan_io__runtime__total": "0:01.39",
-  "floorplan_macro__cpu__total": 1.32,
-  "floorplan_macro__mem__peak": 205784.0,
-  "floorplan_macro__runtime__total": "0:01.40",
-  "floorplan_pdn__cpu__total": 1.46,
-  "floorplan_pdn__mem__peak": 208860.0,
-  "floorplan_pdn__runtime__total": "0:01.53",
-  "floorplan_tap__cpu__total": 1.31,
-  "floorplan_tap__mem__peak": 197768.0,
-  "floorplan_tap__runtime__total": "0:01.40",
-  "floorplan_tdms__cpu__total": 1.31,
-  "floorplan_tdms__mem__peak": 204508.0,
-  "floorplan_tdms__runtime__total": "0:01.39",
+  "floorplan_io__cpu__total": 1.29,
+  "floorplan_io__mem__peak": 204980.0,
+  "floorplan_io__runtime__total": "0:01.42",
+  "floorplan_macro__cpu__total": 1.33,
+  "floorplan_macro__mem__peak": 204224.0,
+  "floorplan_macro__runtime__total": "0:01.43",
+  "floorplan_pdn__cpu__total": 1.45,
+  "floorplan_pdn__mem__peak": 209056.0,
+  "floorplan_pdn__runtime__total": "0:01.58",
+  "floorplan_tap__cpu__total": 1.34,
+  "floorplan_tap__mem__peak": 197800.0,
+  "floorplan_tap__runtime__total": "0:01.43",
+  "floorplan_tdms__cpu__total": 1.32,
+  "floorplan_tdms__mem__peak": 204472.0,
+  "floorplan_tdms__runtime__total": "0:01.43",
   "flow__errors__count": 0,
   "flow__warnings__count": 10,
-  "globalplace__cpu__total": 41.05,
+  "globalplace__cpu__total": 43.42,
   "globalplace__design__core__area": 2872.41,
   "globalplace__design__die__area": 3342.11,
   "globalplace__design__instance__area": 1445.13,
@@ -204,63 +200,63 @@
   "globalplace__design__io": 200,
   "globalplace__flow__errors__count": 0,
   "globalplace__flow__warnings__count": 10,
-  "globalplace__mem__peak": 315896.0,
+  "globalplace__mem__peak": 316720.0,
   "globalplace__power__internal__total": 0.0475034,
   "globalplace__power__leakage__total": 8.59424e-07,
   "globalplace__power__switching__total": 0.0311885,
   "globalplace__power__total": 0.0786927,
-  "globalplace__runtime__total": "0:37.02",
+  "globalplace__runtime__total": "0:39.32",
   "globalplace__timing__setup__tns": -915250,
   "globalplace__timing__setup__ws": -2919.21,
-  "globalplace_io__cpu__total": 1.33,
-  "globalplace_io__mem__peak": 206552.0,
-  "globalplace_io__runtime__total": "0:01.43",
-  "globalplace_skip_io__cpu__total": 4.17,
-  "globalplace_skip_io__mem__peak": 222000.0,
-  "globalplace_skip_io__runtime__total": "0:04.29",
+  "globalplace_io__cpu__total": 1.36,
+  "globalplace_io__mem__peak": 206764.0,
+  "globalplace_io__runtime__total": "0:01.46",
+  "globalplace_skip_io__cpu__total": 4.44,
+  "globalplace_skip_io__mem__peak": 222012.0,
+  "globalplace_skip_io__runtime__total": "0:04.56",
   "globalroute__antenna__violating__nets": 0,
   "globalroute__antenna__violating__pins": 0,
-  "globalroute__clock__skew__hold": 14.6976,
-  "globalroute__clock__skew__setup": 13.4649,
-  "globalroute__cpu__total": 628.63,
+  "globalroute__clock__skew__hold": 15.2871,
+  "globalroute__clock__skew__setup": 11.7432,
+  "globalroute__cpu__total": 453.37,
   "globalroute__design__core__area": 2872.41,
   "globalroute__design__die__area": 3342.11,
-  "globalroute__design__instance__area": 1700.42,
+  "globalroute__design__instance__area": 1713.12,
   "globalroute__design__instance__area__macros": 0,
-  "globalroute__design__instance__area__stdcell": 1700.42,
-  "globalroute__design__instance__count": 13264,
-  "globalroute__design__instance__count__hold_buffer": 7,
+  "globalroute__design__instance__area__stdcell": 1713.12,
+  "globalroute__design__instance__count": 13370,
+  "globalroute__design__instance__count__hold_buffer": 6,
   "globalroute__design__instance__count__macros": 0,
-  "globalroute__design__instance__count__setup_buffer": 224,
-  "globalroute__design__instance__count__stdcell": 13264,
-  "globalroute__design__instance__displacement__max": 14.148,
-  "globalroute__design__instance__displacement__mean": 0.4,
-  "globalroute__design__instance__displacement__total": 5306.69,
-  "globalroute__design__instance__utilization": 0.591985,
-  "globalroute__design__instance__utilization__stdcell": 0.591985,
+  "globalroute__design__instance__count__setup_buffer": 302,
+  "globalroute__design__instance__count__stdcell": 13370,
+  "globalroute__design__instance__displacement__max": 15.174,
+  "globalroute__design__instance__displacement__mean": 0.479,
+  "globalroute__design__instance__displacement__total": 6415.25,
+  "globalroute__design__instance__utilization": 0.596406,
+  "globalroute__design__instance__utilization__stdcell": 0.596406,
   "globalroute__design__io": 200,
   "globalroute__design__violations": 0,
   "globalroute__flow__errors__count": 0,
   "globalroute__flow__warnings__count": 10,
-  "globalroute__mem__peak": 578664.0,
-  "globalroute__power__internal__total": 0.0582825,
-  "globalroute__power__leakage__total": 1.12733e-06,
-  "globalroute__power__switching__total": 0.0441551,
-  "globalroute__power__total": 0.102439,
-  "globalroute__route__wirelength__estimated": 49873.1,
-  "globalroute__runtime__total": "9:58.16",
-  "globalroute__timing__clock__slack": -619.049,
-  "globalroute__timing__drv__hold_violation_count": 5,
+  "globalroute__mem__peak": 578788.0,
+  "globalroute__power__internal__total": 0.0583974,
+  "globalroute__power__leakage__total": 1.13882e-06,
+  "globalroute__power__switching__total": 0.044395,
+  "globalroute__power__total": 0.102794,
+  "globalroute__route__wirelength__estimated": 53343.7,
+  "globalroute__runtime__total": "8:01.36",
+  "globalroute__timing__clock__slack": -657.968,
+  "globalroute__timing__drv__hold_violation_count": 1,
   "globalroute__timing__drv__max_cap": 0,
-  "globalroute__timing__drv__max_cap_limit": 0.0651465,
+  "globalroute__timing__drv__max_cap_limit": 0.0650722,
   "globalroute__timing__drv__max_fanout": 0,
   "globalroute__timing__drv__max_fanout_limit": 0,
-  "globalroute__timing__drv__max_slew": 0,
-  "globalroute__timing__drv__max_slew_limit": 0.0507696,
+  "globalroute__timing__drv__max_slew": 63,
+  "globalroute__timing__drv__max_slew_limit": -0.296644,
   "globalroute__timing__drv__setup_violation_count": 1333,
-  "globalroute__timing__setup__tns": -233667,
-  "globalroute__timing__setup__ws": -619.049,
-  "placeopt__cpu__total": 8.71,
+  "globalroute__timing__setup__tns": -226461,
+  "globalroute__timing__setup__ws": -657.968,
+  "placeopt__cpu__total": 9.08,
   "placeopt__design__core__area": 2872.41,
   "placeopt__design__die__area": 3342.11,
   "placeopt__design__instance__area": 1547.96,
@@ -274,12 +270,12 @@
   "placeopt__design__io": 200,
   "placeopt__flow__errors__count": 0,
   "placeopt__flow__warnings__count": 10,
-  "placeopt__mem__peak": 267232.0,
+  "placeopt__mem__peak": 267456.0,
   "placeopt__power__internal__total": 0.0495701,
   "placeopt__power__leakage__total": 9.9424e-07,
   "placeopt__power__switching__total": 0.0315582,
   "placeopt__power__total": 0.0811292,
-  "placeopt__runtime__total": "0:08.86",
+  "placeopt__runtime__total": "0:09.22",
   "placeopt__timing__drv__floating__nets": 0,
   "placeopt__timing__drv__floating__pins": 0,
   "placeopt__timing__drv__hold_violation_count": 0,
@@ -293,10 +289,10 @@
   "placeopt__timing__setup__tns": -243803,
   "placeopt__timing__setup__ws": -658.272,
   "run__flow__design": "mock-alu",
-  "run__flow__generate_date": "2024-07-20 14:04",
+  "run__flow__generate_date": "2024-07-25 21:50",
   "run__flow__metrics_version": "Metrics_2.1.2",
   "run__flow__openroad_commit": "N/A",
-  "run__flow__openroad_version": "v2.0-14658-gd48987e36",
+  "run__flow__openroad_version": "v2.0-14726-g72ee0f9c4",
   "run__flow__platform": "asap7",
   "run__flow__platform__capacitance_units": "1fF",
   "run__flow__platform__current_units": "1mA",
@@ -307,12 +303,12 @@
   "run__flow__platform__voltage_units": "1v",
   "run__flow__platform_commit": "N/A",
   "run__flow__scripts_commit": "not a git repo",
-  "run__flow__uuid": "96412de3-ae67-4acd-91d6-b8516dcc240c",
+  "run__flow__uuid": "45e73b4c-034c-410e-bb89-8b48882b1e87",
   "run__flow__variant": "base",
-  "synth__cpu__total": 16.55,
+  "synth__cpu__total": 18.76,
   "synth__design__instance__area__stdcell": 1447.85232,
   "synth__design__instance__count__stdcell": 11552.0,
-  "synth__mem__peak": 185740.0,
-  "synth__runtime__total": "0:16.90",
-  "total_time": "0:17:48.140000"
+  "synth__mem__peak": 186168.0,
+  "synth__runtime__total": "0:19.11",
+  "total_time": "0:16:18.830000"
 }
\ No newline at end of file
diff --git a/flow/designs/asap7/mock-alu/rules-base.json b/flow/designs/asap7/mock-alu/rules-base.json
index 0721affa85..90a80597b7 100644
--- a/flow/designs/asap7/mock-alu/rules-base.json
+++ b/flow/designs/asap7/mock-alu/rules-base.json
@@ -40,7 +40,7 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -723.08,
+        "value": -782.56,
         "compare": ">="
     },
     "finish__design__instance__area": {
@@ -59,4 +59,4 @@
         "value": -97.42,
         "compare": ">="
     }
-}
+}
\ No newline at end of file
diff --git a/flow/scripts/detail_route.tcl b/flow/scripts/detail_route.tcl
index c3b9f28e70..03b22a4e7e 100644
--- a/flow/scripts/detail_route.tcl
+++ b/flow/scripts/detail_route.tcl
@@ -8,8 +8,6 @@ if { [info exists ::env(USE_WXL)]} {
 load_design $db_file 4_cts.sdc
 set_propagated_clock [all_clocks]
 
-set_thread_count $::env(NUM_CORES)
-
 set additional_args ""
 if { [info exists ::env(dbProcessNode)]} {
   append additional_args " -db_process_node $::env(dbProcessNode)"
diff --git a/flow/scripts/global_place.tcl b/flow/scripts/global_place.tcl
index 83a3489f40..0d3f5ca60e 100644
--- a/flow/scripts/global_place.tcl
+++ b/flow/scripts/global_place.tcl
@@ -2,6 +2,9 @@ utl::set_metrics_stage "globalplace__{}"
 source $::env(SCRIPTS_DIR)/load.tcl
 load_design 3_2_place_iop.odb 2_floorplan.sdc
 
+# Temporary: remove after fixing instability in GPL with multithreading
+set_thread_count 1
+
 set_dont_use $::env(DONT_USE_CELLS)
 
 # set fastroute layer reduction
diff --git a/flow/scripts/global_place_skip_io.tcl b/flow/scripts/global_place_skip_io.tcl
index 6badf74118..7fb283f955 100644
--- a/flow/scripts/global_place_skip_io.tcl
+++ b/flow/scripts/global_place_skip_io.tcl
@@ -1,6 +1,9 @@
 source $::env(SCRIPTS_DIR)/load.tcl
 load_design 2_floorplan.odb 2_floorplan.sdc
 
+# Temporary: remove after fixing instability in GPL with multithreading
+set_thread_count 1
+
 if {
   [info exists ::env(FLOORPLAN_DEF)] ||
   (
diff --git a/flow/scripts/global_route.tcl b/flow/scripts/global_route.tcl
index 590cbb4d65..2b4f02ee86 100644
--- a/flow/scripts/global_route.tcl
+++ b/flow/scripts/global_route.tcl
@@ -2,7 +2,8 @@ utl::set_metrics_stage "globalroute__{}"
 source $::env(SCRIPTS_DIR)/load.tcl
 load_design 4_cts.odb 4_cts.sdc
 
-set_thread_count $::env(NUM_CORES)
+# Temporary: remove after fixing instability in ANT with multithreading
+set_thread_count 1
 
 if {[info exist env(PRE_GLOBAL_ROUTE)]} {
   source $env(PRE_GLOBAL_ROUTE)
diff --git a/flow/scripts/load.tcl b/flow/scripts/load.tcl
index abcd8c4d26..58bf76be06 100644
--- a/flow/scripts/load.tcl
+++ b/flow/scripts/load.tcl
@@ -2,6 +2,9 @@ source $::env(SCRIPTS_DIR)/util.tcl
 
 source $::env(SCRIPTS_DIR)/report_metrics.tcl
 
+# Temporarily disable sta's threading due to random failures
+sta::set_thread_count 1
+
 proc load_design {design_file sdc_file} {
   # Read liberty files
   source $::env(SCRIPTS_DIR)/read_liberty.tcl
diff --git a/flow/scripts/macro_place_util.tcl b/flow/scripts/macro_place_util.tcl
index 9ffdab38b5..15c63294b7 100644
--- a/flow/scripts/macro_place_util.tcl
+++ b/flow/scripts/macro_place_util.tcl
@@ -1,5 +1,3 @@
-set_thread_count $::env(NUM_CORES)
-
 proc find_macros {} {
   set macros ""