Added grouping FET plots by W

Signed-off-by: Grzegorz Latosinski <glatosinski@antmicro.com>
This commit is contained in:
Grzegorz Latosinski 2020-11-16 15:29:01 +01:00
parent 2aed534b46
commit ee63e6cb87
1 changed files with 44 additions and 26 deletions

View File

@ -23,6 +23,7 @@ from PySpice.Unit import u_V
import matplotlib.pyplot as plt
from pathlib import Path
import csv
from collections import defaultdict
logger = Logging.setup_logging()
@ -64,22 +65,22 @@ def run_sim(c, iparam, fet_W):
return gm_id, ft, id_W, gm_gds, an.nodes['v-sweep']
def init_plots():
def init_plots(fet_name, W):
figs = [plt.figure(), plt.figure(), plt.figure(), plt.figure()]
plts = [f.subplots() for f in figs]
figs[0].suptitle('Id/W vs gm/Id')
figs[0].suptitle(f'{fet_name} Id/W vs gm/Id (W = {W})')
plts[0].set_xlabel("gm/Id")
plts[0].set_ylabel("Id/W")
plts[0].grid(True)
figs[1].suptitle('fT vs gm/Id')
figs[1].suptitle(f'{fet_name} fT vs gm/Id (W = {W})')
plts[1].set_xlabel("gm/Id")
plts[1].set_ylabel("f_T")
plts[1].grid(True)
figs[2].suptitle('gm/gds vs gm/Id')
figs[2].suptitle(f'{fet_name} gm/gds vs gm/Id (W = {W})')
plts[2].set_xlabel("gm/Id")
plts[2].set_ylabel("gm/gds")
plts[2].grid(True)
figs[3].suptitle('gm/Id vs Vgg')
figs[3].suptitle(f'{fet_name} gm/Id vs Vgg (W = {W})')
plts[3].set_xlabel("Vgg")
plts[3].set_ylabel("gm/Id")
plts[3].grid(True)
@ -97,7 +98,12 @@ def gen_plots(gm_id, id_W, ft, gm_gds, vsweep, fet_W, fet_L, plts):
def read_bins(fname):
with open(fname, 'r') as f:
r = csv.reader(f)
return r
# drop CSV header
next(r)
res = []
for line in r:
res.append(line)
return res
def generate_fet_plots(
@ -114,28 +120,40 @@ def generate_fet_plots(
# fet_W and fet_L values here are only for initialization, they are
# later changed in the for loop
c = create_test_circuit(fet_type, iparam, 0.15, 1, corner_path)
f = open(bins_csv, 'r')
bins = csv.reader(f)
# skip header
next(bins)
bins = read_bins(bins_csv)
figs, plts = init_plots()
for dev, bin, fet_W, fet_L in bins:
fet_W, fet_L = float(fet_W), float(fet_L)
if only_W is not None and fet_W not in only_W:
continue
c.element('XM1').parameters['W'] = fet_W
c.element('XM1').parameters['L'] = fet_L
gm_id, ft, id_W, gm_gds, vsweep = run_sim(c, iparam, fet_W)
gen_plots(gm_id, id_W, ft, gm_gds, vsweep, fet_W, fet_L, plts)
bins_by_W = defaultdict(list)
# group bins by W
for line in bins:
bins_by_W[line[2]].append(line)
Ws = only_W if only_W is not None else list(bins_by_W.keys())
figtitles = ['Id_w', 'fT', 'gm_gds', 'gm_id']
for fg, name in zip(figs, figtitles):
fg.legend()
fg.tight_layout()
fg.savefig(Path(outdir) / (outprefix + f'_{name}.{ext}'))
f.close()
plt.close('all')
for W in Ws:
figs, plts = init_plots(fet_type, W)
for dev, bin, fet_W, fet_L in bins_by_W[W]:
fet_W, fet_L = float(fet_W), float(fet_L)
if only_W is not None and fet_W not in only_W:
continue
c.element('XM1').parameters['W'] = fet_W
c.element('XM1').parameters['L'] = fet_L
gm_id, ft, id_W, gm_gds, vsweep = run_sim(c, iparam, fet_W)
gen_plots(gm_id, id_W, ft, gm_gds, vsweep, fet_W, fet_L, plts)
figtitles = ['Id_w', 'fT', 'gm_gds', 'gm_id']
for fg, name in zip(figs, figtitles):
lg = fg.legend(
bbox_to_anchor=(1.05, 1),
loc='upper left'
)
fg.tight_layout()
fg.savefig(
Path(outdir) / (outprefix + f'_{name}_W{str(W).replace(".", "_")}.{ext}'),
bbox_extra_artists=(lg,),
bbox_inches='tight'
)
plt.close('all')
if __name__ == '__main__':