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Set a seed of generator with an option for more randomness when training several models with different seeds #10486

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merged 5 commits into from
Dec 19, 2022
Merged

Set a seed of generator with an option for more randomness when training several models with different seeds #10486

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ad3e471
set seed with parameter
developer0hye Dec 13, 2022
d6237ec
make seed to be a large number
developer0hye Dec 13, 2022
1ab3fbb
set seed with a parameter
developer0hye Dec 13, 2022
ac5a82e
set a seed of dataloader with opt for more randomness
developer0hye Dec 13, 2022
dae6406
Merge branch 'master' into patch-11
glenn-jocher Dec 18, 2022
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3 changes: 2 additions & 1 deletion train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,8 @@ def train(hyp, opt, device, callbacks): # hyp is path/to/hyp.yaml or hyp dictio
image_weights=opt.image_weights,
quad=opt.quad,
prefix=colorstr('train: '),
shuffle=True)
shuffle=True,
seed=opt.seed)
labels = np.concatenate(dataset.labels, 0)
mlc = int(labels[:, 0].max()) # max label class
assert mlc < nc, f'Label class {mlc} exceeds nc={nc} in {data}. Possible class labels are 0-{nc - 1}'
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5 changes: 3 additions & 2 deletions utils/dataloaders.py
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Expand Up @@ -115,7 +115,8 @@ def create_dataloader(path,
image_weights=False,
quad=False,
prefix='',
shuffle=False):
shuffle=False,
seed=0):
if rect and shuffle:
LOGGER.warning('WARNING ⚠️ --rect is incompatible with DataLoader shuffle, setting shuffle=False')
shuffle = False
Expand All @@ -140,7 +141,7 @@ def create_dataloader(path,
sampler = None if rank == -1 else distributed.DistributedSampler(dataset, shuffle=shuffle)
loader = DataLoader if image_weights else InfiniteDataLoader # only DataLoader allows for attribute updates
generator = torch.Generator()
generator.manual_seed(6148914691236517205 + RANK)
generator.manual_seed(6148914691236517205 + seed + RANK)
return loader(dataset,
batch_size=batch_size,
shuffle=shuffle and sampler is None,
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5 changes: 3 additions & 2 deletions utils/segment/dataloaders.py
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,8 @@ def create_dataloader(path,
prefix='',
shuffle=False,
mask_downsample_ratio=1,
overlap_mask=False):
overlap_mask=False,
seed=0):
if rect and shuffle:
LOGGER.warning('WARNING ⚠️ --rect is incompatible with DataLoader shuffle, setting shuffle=False')
shuffle = False
Expand All @@ -64,7 +65,7 @@ def create_dataloader(path,
sampler = None if rank == -1 else distributed.DistributedSampler(dataset, shuffle=shuffle)
loader = DataLoader if image_weights else InfiniteDataLoader # only DataLoader allows for attribute updates
generator = torch.Generator()
generator.manual_seed(6148914691236517205 + RANK)
generator.manual_seed(6148914691236517205 + seed + RANK)
return loader(
dataset,
batch_size=batch_size,
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