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Enable opt_hier by default #3483

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Enable opt_hier by default #3483

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6073b91
enabled opt hier by default
precisionmoon Sep 2, 2025
f3d7136
Merge remote-tracking branch 'origin/master' into secure-opt-hier-test
precisionmoon Sep 2, 2025
e640e83
Merge remote-tracking branch 'origin/master' into secure-opt-hier-test
precisionmoon Sep 5, 2025
0740061
disabled opt hier for 4 designs
precisionmoon Sep 9, 2025
69d5edf
disable opt hier for is_int
precisionmoon Sep 9, 2025
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3 changes: 3 additions & 0 deletions flow/Makefile
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Expand Up @@ -823,6 +823,9 @@ export RUN_YOSYS_ARGS ?= -c $(SCRIPTS_DIR)/yosys_keep.tcl
run-yosys:
$(YOSYS_EXE) $(RUN_YOSYS_ARGS)

# Enable optimization across hierarchical boundaries by default
export SYNTH_OPT_HIER ?= 1

# Utilities
#-------------------------------------------------------------------------------
include $(UTILS_DIR)/utils.mk
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2 changes: 2 additions & 0 deletions flow/designs/nangate45/ariane133/config.mk
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Expand Up @@ -21,3 +21,5 @@ export MACRO_PLACE_HALO = 10 10

export TNS_END_PERCENT = 100
export SKIP_GATE_CLONING = 1

export SYNTH_OPT_HIER = 0
1 change: 1 addition & 0 deletions flow/designs/nangate45/bp_fe_top/config.mk
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Expand Up @@ -31,3 +31,4 @@ export TNS_END_PERCENT = 100
export FASTROUTE_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NAME)/fastroute.tcl

export GPL_KEEP_OVERFLOW = 0
export SYNTH_OPT_HIER = 0
1 change: 1 addition & 0 deletions flow/designs/nangate45/tinyRocket/config.mk
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Expand Up @@ -23,3 +23,4 @@ export ADDITIONAL_LIBS = $(sort $(wildcard $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_N
export DIE_AREA = 0 0 424.92 499.4
export CORE_AREA = 10.07 9.8 414.85 489.6
export TNS_END_PERCENT = 100
export SYNTH_OPT_HIER = 0
2 changes: 2 additions & 0 deletions flow/designs/rapidus2hp/hercules_is_int/config.mk
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Expand Up @@ -68,3 +68,5 @@ export ENABLE_DPO = 0
# \\hercules_is_sxq$$hercules_is_int.u_sx1_iq
# endif
# endif

export SYNTH_OPT_HIER = 0
1 change: 1 addition & 0 deletions flow/designs/sky130hd/microwatt/config.mk
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Expand Up @@ -52,3 +52,4 @@ export FASTROUTE_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/fastroute.t
# to real SRAMs and not instantiated as flops
export SYNTH_MEMORY_MAX_BITS = 42000

export SYNTH_OPT_HIER = 0