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Adds checks to prevent characterization of redundant corners.

This commit is contained in:
Hunter Nichols 2020-02-19 15:59:26 -08:00
parent e4fef73e3f
commit df2f981a34
1 changed files with 15 additions and 7 deletions
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22
compiler/characterizer/lib.py
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@ -81,17 +81,25 @@ class lib:
self.lib_files = [] self.lib_files = []
# Nominal corner # Nominal corner
self.add_corner(nom_process, nom_supply, nom_temperature) corner_set = set()
nom_corner = (nom_process, nom_supply, nom_temperature)
corner_set.add(nom_corner)
if not OPTS.nominal_corner_only: if not OPTS.nominal_corner_only:
# Temperature corners # Temperature corners
self.add_corner(nom_process, nom_supply, min_temperature) corner_set.add((nom_process, nom_supply, min_temperature))
self.add_corner(nom_process, nom_supply, max_temperature) corner_set.add((nom_process, nom_supply, max_temperature))
# Supply corners # Supply corners
self.add_corner(nom_process, min_supply, nom_temperature) corner_set.add((nom_process, min_supply, nom_temperature))
self.add_corner(nom_process, max_supply, nom_temperature) corner_set.add((nom_process, max_supply, nom_temperature))
# Process corners # Process corners
self.add_corner(min_process, nom_supply, nom_temperature) corner_set.add((min_process, nom_supply, nom_temperature))
self.add_corner(max_process, nom_supply, nom_temperature) corner_set.add((max_process, nom_supply, nom_temperature))
# Enforce that nominal corner is the first to be characterized
self.add_corner(*nom_corner)
corner_set.remove(nom_corner)
for corner_tuple in corner_set:
self.add_corner(*corner_tuple)
def add_corner(self, proc, volt, temp): def add_corner(self, proc, volt, temp):
self.corner_name = "{0}_{1}_{2}V_{3}C".format(self.sram.name, self.corner_name = "{0}_{1}_{2}V_{3}C".format(self.sram.name,