variants: push flattened synthesis further

[oharboe]

Stage: cts

Variant	base	2	3	4	5	6
Description		Same as base, but with flattend synthesis	Same as base, only with CTS timing repair enabled	Same as base, but timing driven placement	Same as base, but with flattend synthesis and CTS timing repair	Same as base, but with flattend synthesis and CTS timing repair and timing driven placement
Buffer	264492	119157	264492	264492	119154	119150
Clock buffer	23052	12067	23052	23218	12067	12110
Clock inverter	6997	3634	6997	6911	3634	3693
Inverter	141051	62571	141051	141051	62571	62571
Macro	72	72	72	72	72	72
Multi-Input combinational cell	1365515	745216	1365515	1365515	745218	745218
Sequential cell	239698	118443	239698	239698	118443	118443
Tie cell	2578	60	2578	2578	60	60
Timing Repair Buffer	88407	43364	91733	88691	46595	47315
Total	2131862	1104584	2135188	2132226	1107814	1108632
slack	-5494.812988	-3262.439697	-5307.493652	-4943.15625	-2857.862305	-2567.585693
GPL_TIMING_DRIVEN				1		1
MACRO_PLACEMENT_TCL		$(location write_macro_placement)			$(location write_macro_placement)	$(location write_macro_placement)
SKIP_CTS_REPAIR_TIMING			0		0	0
SYNTH_HIERARCHICAL		0			0	0
dissolve
previous_stage			cts: BoomTile_place	place: BoomTile_floorplan	cts: BoomTile_2_place	place: BoomTile_2_floorplan
2_1_floorplan.log	1146	566	N/A	N/A	N/A	N/A
2_2_floorplan_io.log	37	20	N/A	N/A	N/A	N/A
2_3_floorplan_macro.log	1519	22	N/A	N/A	N/A	N/A
2_4_floorplan_tapcell.log	35	18	N/A	N/A	N/A	N/A
2_5_floorplan_pdn.log	895	874	N/A	N/A	N/A	N/A
3_1_place_gp_skip_io.log	1648	1954	N/A	1355	N/A	1824
3_2_place_iop.log	49	28	N/A	40	N/A	27
3_3_place_gp.log	6129	3907	N/A	11084	N/A	7092
3_4_place_resized.log	604	328	N/A	553	N/A	315
3_5_place_dp.log	1447	892	N/A	1090	N/A	824
4_1_cts.log	543	307	6293	545	2754	2935

Base configuration variables

Variable	Value
CORE_AREA	2 2 1998 1998
DIE_AREA	0 0 2000 2000
FILL_CELLS
GPL_ROUTABILITY_DRIVEN	1
GPL_TIMING_DRIVEN	0
HOLD_SLACK_MARGIN	-200
IO_CONSTRAINTS	$(location :io-boomtile)
MACRO_PLACE_HALO	19 19
MAX_ROUTING_LAYER	M7
MIN_ROUTING_LAYER	M2
PDN_TCL	$(PLATFORM_DIR)/openRoad/pdn/BLOCKS_grid_strategy.tcl
PLACE_DENSITY	0.24
PLACE_PINS_ARGS	-annealing
ROUTING_LAYER_ADJUSTMENT	0.45
SDC_FILE	$(location :constraints-boomtile)
SETUP_SLACK_MARGIN	-1300
SKIP_CTS_REPAIR_TIMING	1
SKIP_INCREMENTAL_REPAIR	1
SKIP_LAST_GASP	1
SKIP_REPORT_METRICS	1
SYNTH_HIERARCHICAL	1
TAPCELL_TCL
TNS_END_PERCENT	0