def get_callbacks(self, stage: str):
return {
"criterion":
dl.CriterionCallback(input_key="logits",
target_key="labels",
metric_key="loss"),
"optimizer":
dl.OptimizerCallback(metric_key="loss"),
"scheduler":
dl.SchedulerCallback(loader_key="valid",
metric_key="loss",
mode="batch"),
"accuracy":
dl.AccuracyCallback(input_key="logits",
target_key="labels",
topk_args=(1, )),
"checkpoint":
dl.CheckpointCallback(
self._logdir,
loader_key="valid",
metric_key="accuracy",
minimize=False,
save_n_best=1,
),
# "tqdm": dl.TqdmCallback(),
}
def get_callbacks(self, stage: str):
return {
"optimizer": dl.OptimizerCallback(metric_key="loss"),
"checkpoint": dl.CheckpointCallback(
self._logdir, loader_key="valid", metric_key="loss", minimize=True, save_n_best=3
),
}
def load_weights(self, callbacks_list):
"""
Loads model weights and appends the CheckpointCallback if doing
stateful model loading. This doesn't add the CheckpointCallback if
it's 'model_only' loading bc SupervisedRunner adds it by default.
"""
ckpoint_params = self.cb_params["checkpoint_params"]
# Having checkpoint_params=None is a hacky way to say no checkpoint
# callback but eh what the heck
if ckpoint_params["checkpoint_path"] != None:
mode = ckpoint_params["mode"].lower()
if mode == "full":
print("Stateful loading...")
ckpoint_p = Path(ckpoint_params["checkpoint_path"])
fname = ckpoint_p.name
# everything in the path besides the base file name
resume_dir = str(ckpoint_p.parents[0])
print(f"Loading {fname} from {resume_dir}. \
\nCheckpoints will also be saved in {resume_dir}.")
# adding the checkpoint callback
ckpoint = [
callbacks.CheckpointCallback(resume=fname,
resume_dir=resume_dir)
]
callbacks_list = callbacks_list + ckpoint
elif mode == "model_only":
print("Loading weights into model...")
self.model = load_weights_train(
ckpoint_params["checkpoint_path"], self.model)
return callbacks_list
def train_experiment(device, engine=None):
with TemporaryDirectory() as logdir:
teacher = nn.Sequential(nn.Flatten(), nn.Linear(28 * 28, 10))
student = nn.Sequential(nn.Flatten(), nn.Linear(28 * 28, 10))
model = {"teacher": teacher, "student": student}
criterion = {"cls": nn.CrossEntropyLoss(), "kl": nn.KLDivLoss(reduction="batchmean")}
optimizer = optim.Adam(student.parameters(), lr=0.02)
loaders = {
"train": DataLoader(
MNIST(os.getcwd(), train=True, download=True, transform=ToTensor()), batch_size=32
),
"valid": DataLoader(
MNIST(os.getcwd(), train=False, download=True, transform=ToTensor()), batch_size=32
),
}
runner = DistilRunner()
# model training
runner.train(
engine=engine or dl.DeviceEngine(device),
model=model,
criterion=criterion,
optimizer=optimizer,
loaders=loaders,
num_epochs=1,
logdir=logdir,
verbose=False,
callbacks=[
dl.AccuracyCallback(
input_key="t_logits", target_key="targets", num_classes=2, prefix="teacher_"
),
dl.AccuracyCallback(
input_key="s_logits", target_key="targets", num_classes=2, prefix="student_"
),
dl.CriterionCallback(
input_key="s_logits",
target_key="targets",
metric_key="cls_loss",
criterion_key="cls",
),
dl.CriterionCallback(
input_key="s_logprobs",
target_key="t_probs",
metric_key="kl_div_loss",
criterion_key="kl",
),
dl.MetricAggregationCallback(
metric_key="loss", metrics=["kl_div_loss", "cls_loss"], mode="mean"
),
dl.OptimizerCallback(metric_key="loss", model_key="student"),
dl.CheckpointCallback(
logdir=logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3,
),
],
)
def get_callbacks(self, stage: str):
return {
"criterion":
dl.CriterionCallback(metric_key="loss",
input_key="logits",
target_key="targets"),
"optimizer":
dl.OptimizerCallback(metric_key="loss"),
# "scheduler": dl.SchedulerCallback(loader_key="valid", metric_key="loss"),
"accuracy":
dl.AccuracyCallback(input_key="logits",
target_key="targets",
topk_args=(1, 3, 5)),
"classification":
dl.PrecisionRecallF1SupportCallback(input_key="logits",
target_key="targets",
num_classes=10),
"confusion_matrix":
dl.ConfusionMatrixCallback(input_key="logits",
target_key="targets",
num_classes=10),
"checkpoint":
dl.CheckpointCallback(self._logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3),
}
def get_callbacks(self):
return {
"criterion":
dl.CriterionCallback(metric_key="loss",
input_key="logits",
target_key="targets"),
"backward":
dl.BackwardCallback(metric_key="loss"),
"optimizer":
dl.OptimizerCallback(metric_key="loss"),
"scheduler":
dl.SchedulerCallback(loader_key="valid", metric_key="loss"),
"accuracy":
dl.AccuracyCallback(input_key="logits",
target_key="targets",
topk=(1, 3, 5)),
"checkpoint":
dl.CheckpointCallback(
self._logdir,
loader_key="valid",
metric_key="accuracy01",
minimize=False,
topk=1,
),
"tqdm":
dl.TqdmCallback(),
}
def get_callbacks(self, stage: str):
callbacks = {
"criterion":
dl.CriterionCallback(metric_key="loss",
input_key="logits",
target_key="targets"),
"optimizer":
dl.OptimizerCallback(
metric_key="loss",
grad_clip_fn=nn.utils.clip_grad_norm_,
grad_clip_params={"max_norm": 1.0},
),
# "scheduler": dl.SchedulerCallback(loader_key="valid", metric_key="loss"),
"accuracy":
dl.AccuracyCallback(input_key="logits",
target_key="targets",
topk_args=(1, 3, 5)),
"classification":
dl.PrecisionRecallF1SupportCallback(input_key="logits",
target_key="targets",
num_classes=10),
"checkpoint":
dl.CheckpointCallback(self._logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3),
}
if SETTINGS.ml_required:
callbacks["confusion_matrix"] = dl.ConfusionMatrixCallback(
input_key="logits", target_key="targets", num_classes=10)
return callbacks
def test_resume_with_missing_file():
old_stdout = sys.stdout
sys.stdout = str_stdout = StringIO()
# experiment_setup
logdir = "./logs/checkpoint_callback"
checkpoint = logdir + "/checkpoints"
logfile = checkpoint + "/_metrics.json"
num_epochs = 5
# data
num_samples, num_features = int(1e4), int(1e1)
X = torch.rand(num_samples, num_features)
y = torch.randint(0, 5, size=[num_samples])
dataset = TensorDataset(X, y)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = torch.nn.Linear(num_features, 5)
criterion = torch.nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(model.parameters())
runner = dl.SupervisedRunner()
with pytest.raises(FileNotFoundError):
runner.train(
model=model,
criterion=criterion,
optimizer=optimizer,
loaders=loaders,
logdir=logdir,
num_epochs=num_epochs,
verbose=False,
valid_loader="valid",
valid_metric="loss",
minimize_valid_metric=True,
callbacks=[
dl.CheckpointCallback(
logdir=logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=2,
load_on_stage_end={
"model": "best",
"criterion": "best",
"optimizer": "last"
},
resume="not_existing_file.pth",
),
dl.CheckRunCallback(num_epoch_steps=num_epochs),
],
)
sys.stdout = old_stdout
exp_output = str_stdout.getvalue()
shutil.rmtree(logdir, ignore_errors=True)
def test_load_best_on_stage_end():
old_stdout = sys.stdout
sys.stdout = str_stdout = StringIO()
# experiment_setup
logdir = "./logs/checkpoint_callback"
checkpoint = logdir + "/checkpoints"
logfile = checkpoint + "/_metrics.json"
# data
num_samples, num_features = int(1e4), int(1e1)
X = torch.rand(num_samples, num_features)
y = torch.randint(0, 5, size=[num_samples])
dataset = TensorDataset(X, y)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = torch.nn.Linear(num_features, 5)
criterion = torch.nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(model.parameters())
runner = dl.SupervisedRunner()
n_epochs = 5
# first stage
runner.train(
model=model,
criterion=criterion,
optimizer=optimizer,
loaders=loaders,
logdir=logdir,
num_epochs=n_epochs,
verbose=False,
callbacks=[
dl.CheckpointCallback(save_n_best=2, load_on_stage_end="best"),
dl.CheckRunCallback(num_epoch_steps=n_epochs),
],
)
sys.stdout = old_stdout
exp_output = str_stdout.getvalue()
assert len(re.findall(r"=> Loading", exp_output)) == 1
assert len(re.findall(r"=> Loading .*best\.pth", exp_output)) == 1
assert os.path.isfile(logfile)
assert os.path.isfile(checkpoint + "/train.4.pth")
assert os.path.isfile(checkpoint + "/train.4_full.pth")
assert os.path.isfile(checkpoint + "/train.5.pth")
assert os.path.isfile(checkpoint + "/train.5_full.pth")
assert os.path.isfile(checkpoint + "/best.pth")
assert os.path.isfile(checkpoint + "/best_full.pth")
assert os.path.isfile(checkpoint + "/last.pth")
assert os.path.isfile(checkpoint + "/last_full.pth")
shutil.rmtree(logdir, ignore_errors=True)
def get_callbacks(self, stage: str):
callbacks = {
"scores":
dl.BatchTransformCallback(
input_key="logits",
output_key="scores",
transform=partial(torch.softmax, dim=1),
scope="on_batch_end",
),
"labels":
dl.BatchTransformCallback(
input_key="scores",
output_key="labels",
transform=partial(torch.argmax, dim=1),
scope="on_batch_end",
),
"criterion":
dl.CriterionCallback(metric_key="loss",
input_key="logits",
target_key="targets"),
"optimizer":
dl.OptimizerCallback(
metric_key="loss",
grad_clip_fn=nn.utils.clip_grad_norm_,
grad_clip_params={"max_norm": 1.0},
),
# "scheduler": dl.SchedulerCallback(loader_key="valid", metric_key="loss"),
"accuracy":
dl.AccuracyCallback(input_key="logits",
target_key="targets",
topk_args=(1, 3, 5)),
"classification":
dl.PrecisionRecallF1SupportCallback(input_key="logits",
target_key="targets",
num_classes=10),
"checkpoint":
dl.CheckpointCallback(self._logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3),
}
if SETTINGS.ml_required:
callbacks["confusion_matrix"] = dl.ConfusionMatrixCallback(
input_key="logits", target_key="targets", num_classes=10)
callbacks["f1_score"] = dl.SklearnBatchCallback(
keys={
"y_pred": "labels",
"y_true": "targets"
},
metric_fn="f1_score",
metric_key="sk_f1",
average="macro",
zero_division=1,
)
return callbacks
def train_experiment(device):
with TemporaryDirectory() as logdir:
# sample data
num_users, num_features, num_items = int(1e4), int(1e1), 10
X = torch.rand(num_users, num_features)
y = (torch.rand(num_users, num_items) > 0.5).to(torch.float32)
# pytorch loaders
dataset = TensorDataset(X, y)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = torch.nn.Linear(num_features, num_items)
criterion = torch.nn.BCEWithLogitsLoss()
optimizer = torch.optim.Adam(model.parameters())
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, [2])
class CustomRunner(dl.Runner):
def handle_batch(self, batch):
x, y = batch
logits = self.model(x)
self.batch = {
"features": x,
"logits": logits,
"scores": torch.sigmoid(logits),
"targets": y,
}
# model training
runner = CustomRunner()
runner.train(
engine=dl.DeviceEngine(device),
model=model,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler,
loaders=loaders,
num_epochs=1,
verbose=False,
callbacks=[
dl.CriterionCallback(input_key="logits", target_key="targets", metric_key="loss"),
dl.AUCCallback(input_key="scores", target_key="targets"),
dl.HitrateCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.MRRCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.MAPCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.NDCGCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.OptimizerCallback(metric_key="loss"),
dl.SchedulerCallback(),
dl.CheckpointCallback(
logdir=logdir, loader_key="valid", metric_key="map01", minimize=False
),
],
)
def get_callbacks(self, stage: str) -> Dict[str, dl.Callback]:
return {
"criterion": dl.CriterionCallback(
metric_key="loss", input_key="logits", target_key="targets"
),
"optimizer": dl.OptimizerCallback(metric_key="loss"),
# "scheduler": dl.SchedulerCallback(loader_key="valid", metric_key="loss"),
"checkpoint": dl.CheckpointCallback(
self._logdir, loader_key="valid", metric_key="loss", minimize=True, save_n_best=3
),
"check_freezed": CheckRequiresGrad("layer1", "train_freezed", False),
"check_unfreezed": CheckRequiresGrad("layer1", "train_unfreezed", True),
}
def train_experiment(device, engine=None):
with TemporaryDirectory() as logdir:
# sample data
num_users, num_features, num_items = int(1e4), int(1e1), 10
X = torch.rand(num_users, num_features)
y = (torch.rand(num_users, num_items) > 0.5).to(torch.float32)
# pytorch loaders
dataset = TensorDataset(X, y)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = torch.nn.Linear(num_features, num_items)
criterion = torch.nn.BCEWithLogitsLoss()
optimizer = torch.optim.Adam(model.parameters())
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, [2])
callbacks = [
dl.CriterionCallback(input_key="logits", target_key="targets", metric_key="loss"),
dl.AUCCallback(input_key="scores", target_key="targets"),
dl.HitrateCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.MRRCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.MAPCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.NDCGCallback(input_key="scores", target_key="targets", topk_args=(1, 3, 5)),
dl.OptimizerCallback(metric_key="loss"),
dl.SchedulerCallback(),
dl.CheckpointCallback(
logdir=logdir, loader_key="valid", metric_key="map01", minimize=False
),
]
if engine is None or not isinstance(
engine, (dl.AMPEngine, dl.DataParallelAMPEngine, dl.DistributedDataParallelAMPEngine)
):
callbacks.append(dl.AUCCallback(input_key="logits", target_key="targets"))
# model training
runner = CustomRunner()
runner.train(
engine=engine or dl.DeviceEngine(device),
model=model,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler,
loaders=loaders,
num_epochs=1,
verbose=False,
callbacks=callbacks,
)
def get_callbacks(self):
return {
"backward":
dl.BackwardCallback(metric_key="loss"),
"optimizer":
dl.OptimizerCallback(metric_key="loss"),
"checkpoint":
dl.CheckpointCallback(
self._logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
topk=3,
),
}
def get_callbacks(self, stage: str):
return {
"criterion": dl.CriterionCallback(
metric_key="loss", input_key="logits", target_key="targets"
),
"optimizer": dl.OptimizerCallback(metric_key="loss"),
"checkpoint": dl.CheckpointCallback(
self._logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3,
load_on_stage_start="best",
),
"test_model_load": CheckModelStateLoadAfterStages("second", self._logdir, "best.pth"),
}
def test_files_existence(tmpdir):
logfile = tmpdir + "/model.storage.json"
n_epochs = 5
callbacks = [
dl.CheckpointCallback(
logdir=tmpdir,
loader_key="valid",
metric_key="loss",
minimize=True,
topk=2,
),
dl.CheckRunCallback(num_epoch_steps=n_epochs),
]
train_runner(tmpdir, n_epochs, callbacks)
assert os.path.isfile(logfile)
assert os.path.isfile(tmpdir + "/model.0004.pth")
# assert os.path.isfile(tmpdir + "/train.4_full.pth")
assert os.path.isfile(tmpdir + "/model.0005.pth")
# assert os.path.isfile(tmpdir + "/train.5_full.pth")
assert os.path.isfile(tmpdir + "/model.best.pth")
# assert os.path.isfile(tmpdir + "/best_full.pth")
assert os.path.isfile(tmpdir + "/model.last.pth")
def train_experiment(engine=None):
with TemporaryDirectory() as logdir:
# sample data
num_users, num_features, num_items = int(1e4), int(1e1), 10
X = torch.rand(num_users, num_features)
y = (torch.rand(num_users, num_items) > 0.5).to(torch.float32)
# pytorch loaders
dataset = TensorDataset(X, y)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = torch.nn.Linear(num_features, num_items)
criterion = torch.nn.BCEWithLogitsLoss()
optimizer = torch.optim.Adam(model.parameters())
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, [2])
callbacks = [
dl.BatchTransformCallback(
input_key="logits",
output_key="scores",
transform=torch.sigmoid,
scope="on_batch_end",
),
dl.CriterionCallback(input_key="logits",
target_key="targets",
metric_key="loss"),
dl.HitrateCallback(input_key="scores",
target_key="targets",
topk=(1, 3, 5)),
dl.MRRCallback(input_key="scores",
target_key="targets",
topk=(1, 3, 5)),
dl.MAPCallback(input_key="scores",
target_key="targets",
topk=(1, 3, 5)),
dl.NDCGCallback(input_key="scores",
target_key="targets",
topk=(1, 3)),
dl.BackwardCallback(metric_key="loss"),
dl.OptimizerCallback(metric_key="loss"),
dl.SchedulerCallback(),
dl.CheckpointCallback(logdir=logdir,
loader_key="valid",
metric_key="map01",
minimize=False),
]
if isinstance(engine, dl.CPUEngine):
callbacks.append(
dl.AUCCallback(input_key="logits", target_key="targets"))
# model training
runner = dl.SupervisedRunner(
input_key="features",
output_key="logits",
target_key="targets",
loss_key="loss",
)
runner.train(
engine=engine,
model=model,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler,
loaders=loaders,
num_epochs=1,
verbose=False,
callbacks=callbacks,
)
def train(dev_dir, logdir, device):
train = pd.read_csv(f'{dev_dir}/train.csv', index_col=0)
train['all_utils'] = train['cmd_cleaned'].apply(select_utils)
train = train.loc[train.all_utils.apply(str.strip).apply(len) > 0]
train['util'] = train['all_utils'].apply(lambda x: x.split()[0])
train = train.dropna().reset_index(drop=True)
spm.SentencePieceTrainer.train(input=f'{dev_dir}/text',
model_prefix=f'{dev_dir}/txt_bpe_clf',
model_type='bpe',
vocab_size=config.src_vocab_size)
text_tokenizer = spm.SentencePieceProcessor(f'{dev_dir}/txt_bpe_clf.model')
cmd_le = LabelEncoder()
train['text_enc'] = train.text_cleaned.progress_apply(
text_tokenizer.encode)
train['y'] = cmd_le.fit_transform(train['util'].values)
tdf = train[train.origin == 'original']
tdf2 = train[train.origin != 'original']
train, valid = train_test_split(tdf, test_size=500, random_state=SEED)
train = pd.concat([train, tdf2]).reset_index(drop=True)
train_ds = UtilDataset(train.text_enc, train.y, config, bos_id, eos_id,
pad_id)
valid_ds = UtilDataset(valid.text_enc, valid.y, config, bos_id, eos_id,
pad_id)
model = BertClassifier(config, pad_id, len(cmd_le.classes_))
print('# params',
sum(p.numel() for p in model.parameters() if p.requires_grad))
loaders = {
'train':
data.DataLoader(train_ds, batch_size=config.batch_size, shuffle=True),
'valid':
data.DataLoader(valid_ds, batch_size=config.batch_size),
}
criterion = nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(model.parameters(),
lr=config.optimizer_lr,
weight_decay=config.weight_decay,
amsgrad=True)
callbacks = [
dl.CheckpointCallback(config.num_epochs),
dl.AccuracyCallback(num_classes=len(cmd_le.classes_), topk_args=[1, 5])
]
if config.schedule == 'OneCycleLR':
scheduler = torch.optim.lr_scheduler.OneCycleLR(
optimizer,
max_lr=config.optimizer_lr,
epochs=config.num_epochs,
steps_per_epoch=len(loaders['train']))
callbacks.append(dl.SchedulerCallback(mode="batch"))
elif config.schedule == 'ReduceLROnPlateau':
scheduler = torch.optim.lr_scheduler.ReduceLROnPlateau(
optimizer,
factor=config.plateau_factor,
patience=5,
cooldown=3,
threshold=1e-3,
min_lr=1e-6)
callbacks.append(dl.SchedulerCallback(mode="epoch"))
shutil.rmtree(logdir, ignore_errors=True)
os.makedirs(logdir, exist_ok=True)
runner = dl.SupervisedRunner(device=device)
runner.train(
model=model,
loaders=loaders,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler if config.schedule else None,
num_epochs=config.num_epochs,
verbose=True,
logdir=logdir,
callbacks=callbacks,
)
joblib.dump(cmd_le, f'{dev_dir}/cmd_le')
def train_experiment(device):
with TemporaryDirectory() as logdir:
# sample data
num_samples, num_features, num_classes1, num_classes2 = int(1e4), int(
1e1), 4, 10
X = torch.rand(num_samples, num_features)
y1 = (torch.rand(num_samples, ) * num_classes1).to(torch.int64)
y2 = (torch.rand(num_samples, ) * num_classes2).to(torch.int64)
# pytorch loaders
dataset = TensorDataset(X, y1, y2)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
class CustomModule(nn.Module):
def __init__(self, in_features: int, out_features1: int,
out_features2: int):
super().__init__()
self.shared = nn.Linear(in_features, 128)
self.head1 = nn.Linear(128, out_features1)
self.head2 = nn.Linear(128, out_features2)
def forward(self, x):
x = self.shared(x)
y1 = self.head1(x)
y2 = self.head2(x)
return y1, y2
# model, criterion, optimizer, scheduler
model = CustomModule(num_features, num_classes1, num_classes2)
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(model.parameters())
scheduler = optim.lr_scheduler.MultiStepLR(optimizer, [2])
class CustomRunner(dl.Runner):
def handle_batch(self, batch):
x, y1, y2 = batch
y1_hat, y2_hat = self.model(x)
self.batch = {
"features": x,
"logits1": y1_hat,
"logits2": y2_hat,
"targets1": y1,
"targets2": y2,
}
# model training
runner = CustomRunner()
runner.train(
model=model,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler,
loaders=loaders,
num_epochs=1,
verbose=False,
callbacks=[
dl.CriterionCallback(metric_key="loss1",
input_key="logits1",
target_key="targets1"),
dl.CriterionCallback(metric_key="loss2",
input_key="logits2",
target_key="targets2"),
dl.MetricAggregationCallback(prefix="loss",
metrics=["loss1", "loss2"],
mode="mean"),
dl.OptimizerCallback(metric_key="loss"),
dl.SchedulerCallback(),
dl.AccuracyCallback(
input_key="logits1",
target_key="targets1",
num_classes=num_classes1,
prefix="one_",
),
dl.AccuracyCallback(
input_key="logits2",
target_key="targets2",
num_classes=num_classes2,
prefix="two_",
),
dl.ConfusionMatrixCallback(
input_key="logits1",
target_key="targets1",
num_classes=num_classes1,
prefix="one_cm",
),
# catalyst[ml] required
dl.ConfusionMatrixCallback(
input_key="logits2",
target_key="targets2",
num_classes=num_classes2,
prefix="two_cm",
),
# catalyst[ml] required
dl.CheckpointCallback(
"./logs/one",
loader_key="valid",
metric_key="one_accuracy",
minimize=False,
save_n_best=1,
),
dl.CheckpointCallback(
"./logs/two",
loader_key="valid",
metric_key="two_accuracy03",
minimize=False,
save_n_best=3,
),
],
loggers={
"console": dl.ConsoleLogger(),
"tb": dl.TensorboardLogger("./logs/tb")
},
)
def train_experiment(engine=None):
with TemporaryDirectory() as logdir:
# sample data
num_samples, num_features, num_classes1, num_classes2 = int(1e4), int(
1e1), 4, 10
X = torch.rand(num_samples, num_features)
y1 = (torch.rand(num_samples) * num_classes1).to(torch.int64)
y2 = (torch.rand(num_samples) * num_classes2).to(torch.int64)
# pytorch loaders
dataset = TensorDataset(X, y1, y2)
loader = DataLoader(dataset, batch_size=32, num_workers=1)
loaders = {"train": loader, "valid": loader}
# model, criterion, optimizer, scheduler
model = CustomModule(num_features, num_classes1, num_classes2)
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(model.parameters())
scheduler = optim.lr_scheduler.MultiStepLR(optimizer, [2])
callbacks = [
dl.CriterionCallback(metric_key="loss1",
input_key="logits1",
target_key="targets1"),
dl.CriterionCallback(metric_key="loss2",
input_key="logits2",
target_key="targets2"),
dl.MetricAggregationCallback(metric_key="loss",
metrics=["loss1", "loss2"],
mode="mean"),
dl.BackwardCallback(metric_key="loss"),
dl.OptimizerCallback(metric_key="loss"),
dl.SchedulerCallback(),
dl.AccuracyCallback(
input_key="logits1",
target_key="targets1",
num_classes=num_classes1,
prefix="one_",
),
dl.AccuracyCallback(
input_key="logits2",
target_key="targets2",
num_classes=num_classes2,
prefix="two_",
),
dl.CheckpointCallback(
"./logs/one",
loader_key="valid",
metric_key="one_accuracy01",
minimize=False,
topk=1,
),
dl.CheckpointCallback(
"./logs/two",
loader_key="valid",
metric_key="two_accuracy03",
minimize=False,
topk=3,
),
]
if SETTINGS.ml_required:
# catalyst[ml] required
callbacks.append(
dl.ConfusionMatrixCallback(
input_key="logits1",
target_key="targets1",
num_classes=num_classes1,
prefix="one_cm",
))
# catalyst[ml] required
callbacks.append(
dl.ConfusionMatrixCallback(
input_key="logits2",
target_key="targets2",
num_classes=num_classes2,
prefix="two_cm",
))
# model training
runner = CustomRunner()
runner.train(
engine=engine,
model=model,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler,
loaders=loaders,
num_epochs=1,
verbose=False,
callbacks=callbacks,
loggers={
"console": dl.ConsoleLogger(),
"tb": dl.TensorboardLogger("./logs/tb"),
},
)
def train_experiment(device):
with TemporaryDirectory() as logdir:
teacher = nn.Sequential(nn.Flatten(), nn.Linear(28 * 28, 10))
student = nn.Sequential(nn.Flatten(), nn.Linear(28 * 28, 10))
criterion = {
"cls": nn.CrossEntropyLoss(),
"kl": nn.KLDivLoss(reduction="batchmean")
}
optimizer = optim.Adam(student.parameters(), lr=0.02)
loaders = {
"train":
DataLoader(MNIST(os.getcwd(),
train=True,
download=True,
transform=ToTensor()),
batch_size=32),
"valid":
DataLoader(MNIST(os.getcwd(),
train=False,
download=True,
transform=ToTensor()),
batch_size=32),
}
class DistilRunner(dl.Runner):
def handle_batch(self, batch):
x, y = batch
teacher.eval() # let's manually set teacher model to eval mode
with torch.no_grad():
t_logits = self.model["teacher"](x)
s_logits = self.model["student"](x)
self.batch = {
"t_logits": t_logits,
"s_logits": s_logits,
"targets": y,
"s_logprobs": F.log_softmax(s_logits, dim=-1),
"t_probs": F.softmax(t_logits, dim=-1),
}
runner = DistilRunner()
# model training
runner.train(
engine=dl.DeviceEngine(device),
model={
"teacher": teacher,
"student": student
},
criterion=criterion,
optimizer=optimizer,
loaders=loaders,
num_epochs=1,
logdir=logdir,
verbose=True,
callbacks=[
dl.AccuracyCallback(input_key="t_logits",
target_key="targets",
num_classes=2,
prefix="teacher_"),
dl.AccuracyCallback(input_key="s_logits",
target_key="targets",
num_classes=2,
prefix="student_"),
dl.CriterionCallback(
input_key="s_logits",
target_key="targets",
metric_key="cls_loss",
criterion_key="cls",
),
dl.CriterionCallback(
input_key="s_logprobs",
target_key="t_probs",
metric_key="kl_div_loss",
criterion_key="kl",
),
dl.MetricAggregationCallback(
prefix="loss",
metrics=["kl_div_loss", "cls_loss"],
mode="mean"),
dl.OptimizerCallback(metric_key="loss", model_key="student"),
dl.CheckpointCallback(
logdir=logdir,
loader_key="valid",
metric_key="loss",
minimize=True,
save_n_best=3,
),
],
)
def train(dev_dir, logdir, device):
if not config.joined_vocab:
spm.SentencePieceTrainer.train(input=f'{dev_dir}/text',
model_prefix=f'{dev_dir}/txt_bpe_ctx',
model_type='bpe',
vocab_size=config.src_vocab_size)
spm.SentencePieceTrainer.train(
input=f'{dev_dir}/cmd',
model_prefix=f'{dev_dir}/cmd_bpe_ctx',
model_type='bpe',
vocab_size=config.tgt_vocab_size,
)
text_tokenizer = spm.SentencePieceProcessor(
f'{dev_dir}/txt_bpe_ctx.model')
cmd_tokenizer = spm.SentencePieceProcessor(
f'{dev_dir}/cmd_bpe_ctx.model')
else:
spm.SentencePieceTrainer.train(
input=f'{dev_dir}/all',
model_prefix=f'{dev_dir}/all_bpe_ctx',
model_type='bpe',
vocab_size=config.src_vocab_size,
)
text_tokenizer = spm.SentencePieceProcessor(
f'{dev_dir}/all_bpe_ctx.model')
cmd_tokenizer = text_tokenizer
train = pd.read_csv(f'{dev_dir}/train.csv', index_col=0)
train = train.dropna()
train['cmd_cleaned'] = train['cmd_cleaned'].apply(
lambda cmd: cmd.replace('|', ' |'))
train['util'] = train.cmd_cleaned.apply(
lambda x: x.strip(' $()').split()[0])
train = train[train.util != ']']
train = train.reset_index(drop=True)
mandf = pd.read_csv(f'{dev_dir}/man.csv', index_col=0)
mandf['ctx'] = mandf.apply(make_ctx, axis=1)
mandf = mandf.drop_duplicates(subset=('cmd'))
mandf = mandf.set_index('cmd')
train['ctx'] = train['util'].map(mandf.ctx)
train.text_cleaned = train.text_cleaned + ' ' + train.ctx.fillna('')
train['text_enc'] = train.text_cleaned.progress_apply(
text_tokenizer.encode)
train['cmd_enc'] = train.cmd_cleaned.progress_apply(cmd_tokenizer.encode)
tdf = train[train.origin == 'original']
tdf2 = train[train.origin != 'original']
train, valid = train_test_split(tdf, test_size=500, random_state=SEED)
train = pd.concat([train, tdf2]).reset_index(drop=True)
train_ds = MtDataset(train.text_enc, train.cmd_enc, config, bos_id, eos_id,
pad_id)
valid_ds = MtDataset(valid.text_enc, valid.cmd_enc, config, bos_id, eos_id,
pad_id)
model = Transformer(config, pad_id)
print('# params',
sum(p.numel() for p in model.parameters() if p.requires_grad))
loaders = {
'train':
data.DataLoader(train_ds, batch_size=config.batch_size, shuffle=True),
'valid':
data.DataLoader(valid_ds, batch_size=config.batch_size),
}
criterion = nn.CrossEntropyLoss(ignore_index=pad_id)
optimizer = torch.optim.Adam(model.parameters(),
lr=config.optimizer_lr,
weight_decay=config.weight_decay,
amsgrad=True)
callbacks = [
dl.CheckpointCallback(config.num_epochs),
]
callbacks.append(dl.SchedulerCallback(mode="epoch"))
scheduler = torch.optim.lr_scheduler.ReduceLROnPlateau(
optimizer,
factor=config.plateau_factor,
patience=3,
cooldown=2,
threshold=1e-3,
min_lr=1e-6)
shutil.rmtree(logdir, ignore_errors=True)
os.makedirs(logdir, exist_ok=True)
runner = dl.SupervisedRunner(device=device)
runner.train(
model=model,
loaders=loaders,
criterion=criterion,
optimizer=optimizer,
scheduler=scheduler if config.schedule else None,
num_epochs=config.num_epochs,
verbose=True,
logdir=logdir,
callbacks=callbacks,
# check=True
)
