decode_report.py
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#!/usr/bin/env python
# Author : Gaurav Kumar (Johns Hopkins University)
# Gets a report on what the best word error rate was and which iteration
# led to it. This is needed both for reporting purposes and for setting
# the acoustic scale weight which extracting lattices.
# This script is specific to my partitions and needs to be made more general
# or modified
from __future__ import print_function
import subprocess
import os
decode_directories = ['exp/tri5a/decode_dev',
'exp/tri5a/decode_test',
'exp/tri5a/decode_dev2',
'exp/sgmm2x_6a/decode_dev_fmllr',
'exp/sgmm2x_6a/decode_test_fmllr',
'exp/sgmm2x_6a/decode_dev2_fmllr',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_it4',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_it4',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_it4',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_fmllr_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_fmllr_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_fmllr_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev_fmllr_it4',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_fmllr_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_fmllr_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_fmllr_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_dev2_fmllr_it4',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_fmllr_it1',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_fmllr_it2',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_fmllr_it3',
'exp/sgmm2x_6a_mmi_b0.2/decode_test_fmllr_it4'
]
def get_best_wer(decode_dir):
best_iteration = 0
best_wer = 100.0
for i in range(16):
if os.path.isfile("{}/wer_{}".format(decode_dir, i)):
result = subprocess.check_output("tail -n 3 {}/wer_{}".format(decode_dir, i), shell=True)
wer_string = result.split("\n")[0]
wer_details = wer_string.split(' ')
# Get max WER
wer = float(wer_details[1])
if wer < best_wer:
best_wer = wer
best_iteration = i
return best_iteration, best_wer
for decode_dir in decode_directories[:6]:
print(decode_dir)
print(get_best_wer(decode_dir))
# Separate processing for bMMI stuff
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[6:10]:
iteration, wer = get_best_wer(decode_dir)
if wer < best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[10:14]:
iteration, wer = get_best_wer(decode_dir)
if wer < best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[14:18]:
iteration, wer = get_best_wer(decode_dir)
if wer < best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[18:22]:
iteration, wer = get_best_wer(decode_dir)
if wer <= best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[22:26]:
iteration, wer = get_best_wer(decode_dir)
if wer <= best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))
best_wer = 100.0
best_dir = ""
best_iteration = 0
for decode_dir in decode_directories[26:]:
iteration, wer = get_best_wer(decode_dir)
if wer <= best_wer:
best_wer = wer
best_dir = decode_dir
best_iteration = iteration
print(best_dir)
print((best_iteration, best_wer))