**Liberty Metric Package**
```
from libMetric import liberty as lutil
import numpy as np
```
Liberty conversion
```
# load & convert CCS to JSON
lnode = lutil.read_lib('ccs.lib')
lutil.dump_json(lnode,out='ccs.json')
lnode.keys()
# load liberty from JSON
lnode = lutil.load_json('ccs.json')
lnode.keys()
```
Timing & power operation
```
# list cells in the liberary
[v for v in lnode['cell']]
# grab cell node by cell-name, e.g., 'ND2D1LVT'
cnode = lnode['cell']['ND2D1LVT']
# encapsulate all timing/power tables by timing-arc into a dataframe
lutT = lutil.get_cell_timing(cnode,todf=True)
lutP = lutil.get_cell_power(cnode,todf=True)
lutT.index # enumerate all lookup tables encapsulated by timing-arc
lutP.index # enumerate all lookup tables encapsulated by timing-arc
```
Lookup table, interpolation & regression
```
# lookup table interpolation, e.g., timing-arc ('A1,ZN,', 'combinational', 'cell_rise')
lut = lutT.loc[('A1,ZN,', 'combinational', 'cell_rise')]
y,x,v = map(np.array,lut.values) # unpack values as numpy array
# timing interpolation based on the specified transition & load
lutil.table_lookup(lut,trans=0.0207,load=0.0010072,dflag=True)
# LS regression & prediction
lutil.lut2lsCoeff(lut.to_dict(),trans=0.03,load=0.0017,dflag=True)
```
Data visualization API
```
cnode = lnode['cell']['DFCNQD1LVT']
lutT = lutil.get_cell_timing(cnode,todf=False) # grab all timing tables in JSON
lutil.plot_lut(lutT,keys=[('CP,Q,', 'rising_edge', 'cell_rise'),
('CP,Q,', 'rising_edge', 'cell_fall')],xylabel=('load','trans'))
lutil.plot_lut(lutT,keys=[('CP,D,CDN', 'setup_rising', 'rise_constraint'),
('CP,D,CDN', 'hold_rising', 'rise_constraint')],xylabel=('clock','data'))
```
---
**GRO Compiler Package**
```
from GRO import ROCompiler
import sys
if __name__ == '__main__':
argv = sys.argv
else: # test mode
argv = ['C:/Home/Projects/Pypi/DTCO/GRO/gro.py',
'-config','C:/Home/Projects/Pypi/DTCO/GRO/demo/config_demo.f',
'-outDir','C:/Home/Projects/Pypi/DTCO/GRO/demo/RO_demo',
'-target','TT']
# init GRO instance
gro = ROCompiler()
# parse command line
code,pdata = gro.parseArguments(argv)
# update pdata from config
if pdata.get('configFile')!=None:
cfg = gro.loadConfig(pdata['configFile'])
if pdata.get('initProj')==True: # create RO project directory
gro.initProjectDirectory()
gro.initMakefile()
if pdata.get('initLib')==True:
gro.initLibJSON() # build library JSON DB
if pdata.get('buildRO')==True: # generate RO design and the successive DC, synthesis, vsim, SPICE environments
gro.commitConfig() # start from liberty JSON without initLibJSON
gro.compileGRO()
if pdata.get('lpe')!=None:
gro.genSPICESim()
```
---
**Copernic System**
WAT Analysis
CP Analysis
Binning Strategy
---
**Design & Technology C-optimization**
Process Uniformity & OCV Analysis
Machine-learning Framework
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