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EpochAndBatches.py
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EpochAndBatches.py
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import os
import pickle
import time
from pprint import pformat
import pandas as pd
class EpochAndBatches:
"""
verbose:
0 = none
1 = per run
10 = per epoch
20 = per batch
90 = everything
"""
def __init__(self, n_epoch, n_batch, project_name='Default Project', sweep_name='Default Sweep', run_name=None,
enb_output_path=''):
self.project_name = project_name
self.sweep_name = sweep_name
self.l_log = []
self.dflog = pd.DataFrame()
self.script_start_time = time.time()
self.pid = os.getpid()
self.cwd = os.getcwd()
self.verbose = 15
self.n_epoch = n_epoch
self.n_batch = n_batch
self.i_epoch = -1
self.i_batch = -1
self.is_save_per_log = False
self.is_save_per_batch = False
self.is_save_per_epoch = True
if run_name is None:
self.run_name = 'default_run_' + str(int(self.script_start_time)) + '_' + str(self.pid)
else:
self.run_name = run_name
self.enb_output_path = enb_output_path
self.enb_output_filepath = self.enb_output_path + self.run_name + '.enb'
self.log_msg('EnB: Epoch And Batches START', i_verbose=0)
return
def save(self):
self.dflog = pd.DataFrame.from_records(self.l_log)
if self.verbose >= 92:
print('EnB saving to ', self.enb_output_filepath)
with open(self.enb_output_filepath, 'wb') as f:
pickle.dump(self, f, pickle.HIGHEST_PROTOCOL)
if self.verbose >= 91:
print('EnB saved to ', self.enb_output_filepath)
return
@staticmethod
def load(enb_output_filepath):
"""
usage:
enb2 = EnB.load(enb.enb_output_filepath)
:param enb_output_filepath:
:return:
"""
print('EnB loading ', enb_output_filepath, ' ...')
with open(enb_output_filepath, 'rb') as f:
loaded_enb = pickle.load(f)
print('EnB ', enb_output_filepath, ' loaded.')
return loaded_enb
def log(self, i_dict, i_verbose=1):
"""
i_dict={
label,key,value
[,i_epoch,i_batch]
}
"""
self.l_log.append(i_dict)
# self.dflog = self.dflog.append(i_dict, ignore_index=True)
if self.verbose >= i_verbose:
if 'key' in i_dict.keys():
str_print = 'EnB '
if 'label' in i_dict.keys() and (i_dict['label'] == 'per_epoch' or i_dict['label'] == 'per_batch'):
str_print += 'i_epoch=' + str(i_dict['i_epoch']) + ' '
if 'label' in i_dict.keys() and i_dict['label'] == 'per_batch':
str_print += 'i_batch=' + str(i_dict['i_batch']) + ' '
str_print += '| ' + str(i_dict['key']) + ' = ' + str(i_dict['value'])
print(str_print)
else:
print(i_dict)
if self.is_save_per_log:
self.save()
return
def log_msg(self, msg, label='msg', i_verbose=1):
self.log({'label': label,
'key': 'msg',
'value': msg,
'i_epoch': self.i_epoch,
'i_batch': self.i_batch,
'time': time.time()},
i_verbose)
return
def next_epoch(self, force_log=False):
# call at the start of each epoch
self.i_epoch += 1
self.i_batch = -1
t_i = time.time()
if self.i_epoch == 0:
self.fit_start_time = t_i
t_elapsed = t_i - self.fit_start_time
t_total = t_elapsed * self.n_epoch / self.i_epoch if self.i_epoch > 0 else 0
t_left = t_total - t_elapsed
t_each = t_elapsed / self.i_epoch if self.i_epoch > 0 else 0
if self.verbose >= 11 or force_log:
self.log_msg('next_epoch: ' +
str(self.i_epoch) + '/' + str(self.n_epoch) +
' | ' + str(time.strftime('%H:%M:%S', time.gmtime(t_elapsed))) +
' + ' + str(time.strftime('%H:%M:%S', time.gmtime(t_left))) +
' = ' + str(time.strftime('%H:%M:%S', time.gmtime(t_each))) +
' / ' + str(time.strftime('%H:%M:%S', time.gmtime(t_total))))
self.log_epoch('time:elapsed', t_elapsed, 31)
self.log_epoch('time:total', t_total, 31)
self.log_epoch('time:left', t_left, 31)
self.log_epoch('time:each', t_each, 31)
if self.is_save_per_epoch:
self.save()
return
def next_batch(self, force_log=False):
# call at the start of each batch
self.i_batch += 1
t_i = time.time()
if self.i_batch == 0:
self.i_batch_start_time = t_i
t_elapsed = t_i - self.i_batch_start_time
t_total = t_elapsed * self.n_batch / self.i_batch if self.i_batch > 0 else 0
t_left = t_total - t_elapsed
t_each = t_elapsed / self.i_batch if self.i_batch > 0 else 0
if self.verbose >= 21 or force_log:
self.log_msg('next_batch: ' +
'epoch=' + str(self.i_epoch) + '/' + str(self.n_epoch) +
' batch=' + str(self.i_batch) + '/' + str(self.n_batch) +
' | ' + str(time.strftime('%H:%M:%S', time.gmtime(t_elapsed))) +
' + ' + str(time.strftime('%H:%M:%S', time.gmtime(t_left))) +
' = ' + str(time.strftime('%H:%M:%S', time.gmtime(t_each))) +
' / ' + str(time.strftime('%H:%M:%S', time.gmtime(t_total))))
self.log_batch('time:elapsed', t_elapsed, 32)
self.log_batch('time:total', t_total, 32)
self.log_batch('time:left', t_left, 32)
self.log_batch('time:each', t_each, 32)
if self.is_save_per_batch:
self.save()
return
def log_epoch(self, k, v, i_verbose=17):
self.log({'label': 'per_epoch',
'i_epoch': self.i_epoch,
'key': k,
'value': v,
'time': time.time()},
i_verbose)
return
def log_batch(self, k, v, i_verbose=27):
self.log({'label': 'per_batch',
'i_epoch': self.i_epoch,
'i_batch': self.i_batch,
'key': k,
'value': v,
'time': time.time()},
i_verbose)
return
def __repr__(self):
return 'Epoch And Batches\n' + pformat(vars(self))