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malibertymaliberty
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Tighten up ng45/ariane133
Shorter clock period Constraint IOs Use utilization based floorplan Signed-off-by: Matt Liberty <[email protected]>
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3 files changed

+117
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‎flow/designs/nangate45/ariane133/ariane.sdc‎

Lines changed: 13 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,4 +3,16 @@ set sdc_version 2.0
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# Set the current design
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current_design ariane
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6-
create_clock -name "core_clock" -period 4.0 -waveform {0.0 2.0} [get_ports clk_i]
6+
set clk_name core_clock
7+
set clk_port_name clk_i
8+
set clk_period 3.0
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set clk_io_pct 0.2
10+
11+
set clk_port [get_ports $clk_port_name]
12+
13+
create_clock -name $clk_name -period $clk_period $clk_port
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15+
set non_clock_inputs [all_inputs -no_clocks]
16+
17+
set_input_delay [expr $clk_period * $clk_io_pct] -clock $clk_name $non_clock_inputs
18+
set_output_delay [expr $clk_period * $clk_io_pct] -clock $clk_name [all_outputs]

‎flow/designs/nangate45/ariane133/config.mk‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -12,12 +12,12 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/ariane133/ariane.sdc
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export ADDITIONAL_LEFS = $(PLATFORM_DIR)/lef/fakeram45_256x16.lef
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export ADDITIONAL_LIBS = $(PLATFORM_DIR)/lib/fakeram45_256x16.lib
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15-
export DIE_AREA = 0 0 1500 1500
16-
export CORE_AREA = 10 12 1448 1448
15+
export CORE_UTILIZATION = 40
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export CORE_ASPECT_RATIO = 1
17+
export CORE_MARGIN = 5
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1819
export IO_CONSTRAINTS = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/io.tcl
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export MACRO_PLACE_HALO = 10 10
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22-
export TNS_END_PERCENT = 100
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export SKIP_GATE_CLONING = 1

‎flow/designs/nangate45/ariane133/rules-base.json‎

Lines changed: 101 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,89 @@
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{
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"cts__flow__warnings__count:RSZ-0062": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"detailedroute__flow__warnings__count:DRT-0120": {
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"value": 12,
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"compare": "<=",
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"level": "warning"
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},
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"detailedroute__flow__warnings__count:GRT-0246": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"floorplan__flow__warnings__count:EST-0027": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"floorplan__flow__warnings__count:IFP-0028": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"floorplan__flow__warnings__count:ODB-0011": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"floorplan__flow__warnings__count:RSZ-0062": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"floorplan__flow__warnings__count:RSZ-0075": {
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"value": 1001,
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"compare": "<=",
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"level": "warning"
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},
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"flow__warnings__count:GPL-0302": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"flow__warnings__count:PDN-0195": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalplace__flow__warnings__count:GPL-0323": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalplace__flow__warnings__count:GPL-0998": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalplace__flow__warnings__count:GPL-0999": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalplace__flow__warnings__count:GRT-0281": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalroute__flow__warnings__count:DRT-0120": {
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"value": 12,
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"compare": "<=",
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"level": "warning"
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},
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"globalroute__flow__warnings__count:GRT-0246": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"globalroute__flow__warnings__count:RSZ-0062": {
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"value": 1,
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"compare": "<=",
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"level": "warning"
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},
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"synth__design__instance__area__stdcell": {
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"value": 825864.85,
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"compare": "<="
@@ -28,43 +113,43 @@
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"compare": "<="
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},
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"cts__timing__setup__ws": {
31-
"value": -0.2,
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"value": -0.695,
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"compare": ">="
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},
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"cts__timing__setup__tns": {
35-
"value": -0.8,
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"value": -1580.0,
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"compare": ">="
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},
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"cts__timing__hold__ws": {
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"value": -0.2,
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"value": -0.15,
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"compare": ">="
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},
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"cts__timing__hold__tns": {
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"value": -0.8,
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"value": -0.6,
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"compare": ">="
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},
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"globalroute__antenna_diodes_count": {
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"value": 194,
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"compare": "<="
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},
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"globalroute__timing__setup__ws": {
51-
"value": -0.2,
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"value": -0.657,
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"compare": ">="
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},
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"globalroute__timing__setup__tns": {
55-
"value": -0.8,
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"value": -1220.0,
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"compare": ">="
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},
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"globalroute__timing__hold__ws": {
59-
"value": -0.2,
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"value": -0.15,
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"compare": ">="
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},
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"globalroute__timing__hold__tns": {
63-
"value": -0.8,
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"value": -0.6,
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"compare": ">="
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},
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"detailedroute__route__wirelength": {
67-
"value": 8368533,
152+
"value": 8166072,
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"compare": "<="
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},
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"detailedroute__route__drc_errors": {
@@ -84,31 +169,31 @@
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"compare": ">="
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},
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"detailedroute__timing__setup__tns": {
87-
"value": -0.8,
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"value": -53.9,
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"compare": ">="
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},
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"detailedroute__timing__hold__ws": {
91-
"value": -0.2,
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"value": -0.155,
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"compare": ">="
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},
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"detailedroute__timing__hold__tns": {
95-
"value": -0.8,
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"value": -0.655,
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"compare": ">="
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},
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"finish__timing__setup__ws": {
99-
"value": -0.264,
184+
"value": -0.753,
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"compare": ">="
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},
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"finish__timing__setup__tns": {
103-
"value": -19.7,
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"value": -1470.0,
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"compare": ">="
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},
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"finish__timing__hold__ws": {
107-
"value": -0.2,
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"value": -0.15,
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"compare": ">="
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},
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"finish__timing__hold__tns": {
111-
"value": -0.8,
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"value": -0.6,
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"compare": ">="
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},
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"finish__design__instance__area": {

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