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openroad: smaller die area

Browse source 
faster builds

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2025-03-18 07:33:48 +01:00
parent aa99e6e4c0
commit b041dd60e9
1 changed files with 6 additions and 1 deletions
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7
openroad/BUILD.bazel
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@ -7,6 +7,8 @@ FASTER = {
"SETUP_HOLD_MARGIN": "-1000",
"SKIP_REPORT_METRICS": "1",
"SKIP_LAST_GASP": "1",
"GPL_ROUTABILITY_DRIVEN": "0",
"GPL_TIMING_DRIVEN": "0",
# skip checks for now, faster
"PWR_NETS_VOLTAGES": "",
"GND_NETS_VOLTAGES": "",
@ -30,7 +32,10 @@ PDKS = [
name = "serv_top",
arguments = FASTER | {
"SYNTH_HIERARCHICAL": "1",
"CORE_UTILIZATION": "15",
"CORE_UTILIZATION": "50",
# much wider than tall to make space for pins
# at bottom.
"CORE_ASPECT_RATIO": "0.25",
"PLACE_DENSITY": "0.8",
"CORE_MARGIN": "1",
"VERILOG_TOP_PARAMS": "W {width}".format(width = width),