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fix continue train iter count error #47

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fix continue train iter count error #47

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a8d9368
fix training iter count error
lzhbrian May 13, 2019
570ff01
bugfix
lzhbrian May 13, 2019
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13 changes: 10 additions & 3 deletions train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,14 +24,21 @@
trainer = Pix2PixTrainer(opt)

# create tool for counting iterations
iter_counter = IterationCounter(opt, len(dataloader))
iter_counter = IterationCounter(opt, len(dataloader) * opt.batchSize)

# create tool for visualization
visualizer = Visualizer(opt)

clear_iter = False
for epoch in iter_counter.training_epochs():
iter_counter.record_epoch_start(epoch)
for i, data_i in enumerate(dataloader, start=iter_counter.epoch_iter):
iter_counter.record_epoch_start(epoch, clear_iter)
clear_iter = True

start_batch_idx = iter_counter.epoch_iter // opt.batchSize
for i, data_i in enumerate(dataloader):
if i < start_batch_idx:
continue

iter_counter.record_one_iteration()

# Training
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5 changes: 3 additions & 2 deletions util/iter_counter.py
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Expand Up @@ -33,9 +33,10 @@ def __init__(self, opt, dataset_size):
def training_epochs(self):
return range(self.first_epoch, self.total_epochs + 1)

def record_epoch_start(self, epoch):
def record_epoch_start(self, epoch, clear_iter=True):
self.epoch_start_time = time.time()
self.epoch_iter = 0
if clear_iter:
self.epoch_iter = 0
self.last_iter_time = time.time()
self.current_epoch = epoch

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