def make_workloads() -> workload.Stream:
nonlocal w
interceptor = workload.WorkloadResponseInterceptor()
for idx, batch in batches:
yield from interceptor.send(workload.train_workload(1))
metrics = interceptor.metrics_result()
# Calculate what the loss should be.
loss = trial_class.calc_loss(w, batch)
epsilon = 0.0001
assert abs(metrics["metrics"]["avg_metrics"]["loss"] -
loss) < epsilon
# Update what the weight should be.
w = w - hparams["learning_rate"] * trial_class.calc_gradient(
w, batch)
if test_checkpointing and idx == 3:
# Checkpoint and let the next TrialController finish the work.
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint, steps_completed
latest_checkpoint = interceptor.metrics_result()["uuid"]
# steps_completed is unused, but can't be 0.
steps_completed = 1
break
def make_workloads() -> workload.Stream:
nonlocal w
interceptor = workload.WorkloadResponseInterceptor()
for idx, batch in batches:
yield from interceptor.send(workload.train_workload(1), [1])
metrics = interceptor.metrics_result()
# Calculate what the loss should be.
loss = trial_class.calc_loss(w, batch)
assert metrics["avg_metrics"]["loss"] == pytest.approx(loss)
# Update what the weight should be.
w = w - hparams["learning_rate"] * trial_class.calc_gradient(
w, batch)
if test_checkpointing and idx == 3:
# Checkpoint and let the next TrialController finish the work.l
yield workload.checkpoint_workload(), [
checkpoint_dir
], workload.ignore_workload_response
break
yield workload.terminate_workload(
), [], workload.ignore_workload_response
def make_test_workloads(
checkpoint_dir: pathlib.Path, config: det.ExperimentConfig
) -> workload.Stream:
print("Start training a test experiment.")
interceptor = workload.WorkloadResponseInterceptor()
print("Training 1 step.")
yield from interceptor.send(workload.train_workload(1), [config.batches_per_step()])
metrics = interceptor.metrics_result()
batch_metrics = metrics["batch_metrics"]
check.eq(len(batch_metrics), config.batches_per_step())
print(f"Finished training. Metrics: {batch_metrics}")
print("Validating.")
yield from interceptor.send(workload.validation_workload(1), [])
validation = interceptor.metrics_result()
v_metrics = validation["validation_metrics"]
print(f"Finished validating. Validation metrics: {v_metrics}")
print(f"Saving a checkpoint to {checkpoint_dir}")
yield workload.checkpoint_workload(), [checkpoint_dir], workload.ignore_workload_response
print(f"Finished saving a checkpoint to {checkpoint_dir}.")
yield workload.terminate_workload(), [], workload.ignore_workload_response
print("The test experiment passed.")
def make_workloads() -> workload.Stream:
training_metrics = []
interceptor = workload.WorkloadResponseInterceptor()
total_steps, total_batches_processed = 10, 0
for step_id in range(1, total_steps):
num_batches = step_id
yield from interceptor.send(
workload.train_workload(
step_id,
num_batches=num_batches,
total_batches_processed=total_batches_processed,
),
[],
)
metrics = interceptor.metrics_result()
batch_metrics = metrics["metrics"]["batch_metrics"]
assert len(
batch_metrics
) == num_batches, "did not run for expected num_batches"
training_metrics.extend(batch_metrics)
total_batches_processed += num_batches
yield workload.terminate_workload(
), [], workload.ignore_workload_response
def send(
self,
steps: int,
validation_freq: int,
initial_step_id: int = 1,
batches_per_step: int = 1,
) -> workload.Stream:
self._training_metrics = []
self._validation_metrics = []
interceptor = workload.WorkloadResponseInterceptor()
for step_id in range(initial_step_id, initial_step_id + steps):
yield from interceptor.send(workload.train_workload(step_id),
[batches_per_step])
metrics = interceptor.metrics_result()
batch_metrics = metrics["batch_metrics"]
assert len(batch_metrics) == batches_per_step
self._training_metrics.extend(batch_metrics)
if step_id % validation_freq == 0:
yield from interceptor.send(
workload.validation_workload(step_id), [])
validation = interceptor.metrics_result()
v_metrics = validation["validation_metrics"]
self._validation_metrics.append(v_metrics)
def make_workloads_1() -> workload.Stream:
trainer = utils.TrainAndValidate()
yield from trainer.send(steps=1, validation_freq=1)
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint, steps_completed
latest_checkpoint = interceptor.metrics_result()["uuid"]
steps_completed = trainer.get_steps_completed()
def make_workloads_2() -> workload.Stream:
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.validation_workload())
metrics = interceptor.metrics_result()
new_loss = metrics["metrics"]["validation_metrics"]["val_loss"]
assert new_loss == pytest.approx(old_loss)
def make_workloads_2() -> workload.Stream:
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.validation_workload(), [])
metrics = interceptor.metrics_result()
new_error = metrics["validation_metrics"]["binary_error"]
assert new_error == pytest.approx(old_error)
yield workload.terminate_workload(), [], workload.ignore_workload_response
def make_workloads() -> workload.Stream:
trainer = utils.TrainAndValidate()
yield from trainer.send(steps=1,
validation_freq=1,
scheduling_unit=10)
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint
latest_checkpoint = interceptor.metrics_result()["uuid"]
def make_workloads1() -> workload.Stream:
nonlocal controller
assert controller.trial.counter.trial_startups == 1
yield workload.train_workload(1, 1, 0,
4), workload.ignore_workload_response
assert controller is not None, "controller was never set!"
assert controller.trial.counter.__dict__ == {
"trial_startups": 1,
"validation_steps_started": 0,
"validation_steps_ended": 0,
"checkpoints_ended": 0,
"training_started_times": 1,
"training_epochs_started": 2,
"training_epochs_ended": 2,
"trial_shutdowns": 0,
}
assert controller.trial.legacy_counter.__dict__ == {
"legacy_on_training_epochs_start_calls": 2
}
yield workload.validation_workload(
), workload.ignore_workload_response
assert controller.trial.counter.__dict__ == {
"trial_startups": 1,
"validation_steps_started": 1,
"validation_steps_ended": 1,
"checkpoints_ended": 0,
"training_started_times": 1,
"training_epochs_started": 2,
"training_epochs_ended": 2,
"trial_shutdowns": 0,
}
assert controller.trial.legacy_counter.__dict__ == {
"legacy_on_training_epochs_start_calls": 2
}
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint, steps_completed
latest_checkpoint = interceptor.metrics_result()["uuid"]
steps_completed = 1
assert controller.trial.counter.__dict__ == {
"trial_startups": 1,
"validation_steps_started": 1,
"validation_steps_ended": 1,
"checkpoints_ended": 1,
"training_started_times": 1,
"training_epochs_started": 2,
"training_epochs_ended": 2,
"trial_shutdowns": 0,
}
assert controller.trial.legacy_counter.__dict__ == {
"legacy_on_training_epochs_start_calls": 2
}
def make_workloads_1() -> workload.Stream:
nonlocal old_loss
trainer = utils.TrainAndValidate()
yield from trainer.send(steps=10, validation_freq=10)
training_metrics, validation_metrics = trainer.result()
old_loss = validation_metrics[-1]["val_loss"]
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint, steps_completed
latest_checkpoint = interceptor.metrics_result()["uuid"]
steps_completed = trainer.get_steps_completed()
def send(self,
steps: int,
validation_freq: int,
initial_step_id: int = 1,
scheduling_unit: int = 1) -> workload.Stream:
self._training_metrics = []
self._avg_training_metrics = []
self._validation_metrics = []
total_batches_processed = 0
interceptor = workload.WorkloadResponseInterceptor()
for step_id in range(initial_step_id, initial_step_id + steps):
stop_requested = False
yield from interceptor.send(
workload.train_workload(
step_id,
num_batches=scheduling_unit,
total_batches_processed=total_batches_processed,
),
[],
)
metrics = interceptor.metrics_result()
batch_metrics = metrics["metrics"]["batch_metrics"]
assert len(batch_metrics) == scheduling_unit
self._training_metrics.extend(batch_metrics)
self._avg_training_metrics.append(
metrics["metrics"]["avg_metrics"])
total_batches_processed += scheduling_unit
if metrics["stop_requested"]:
assert step_id == self.request_stop_step_id
stop_requested = True
if step_id % validation_freq == 0:
yield from interceptor.send(
workload.validation_workload(
step_id,
total_batches_processed=total_batches_processed),
[],
)
validation = interceptor.metrics_result()
v_metrics = validation["metrics"]["validation_metrics"]
self._validation_metrics.append(v_metrics)
if validation["stop_requested"]:
assert step_id == self.request_stop_step_id
stop_requested = True
if stop_requested:
break
else:
assert step_id != self.request_stop_step_id
def make_workloads(steps: int, tag: str, checkpoint: bool) -> workload.Stream:
trainer = TrainAndValidate()
yield from trainer.send(steps, validation_freq=1, scheduling_unit=100)
tm, vm = trainer.result()
training_metrics[tag] += tm
validation_metrics[tag] += vm
if checkpoint is not None:
interceptor = workload.WorkloadResponseInterceptor()
yield from interceptor.send(workload.checkpoint_workload())
nonlocal latest_checkpoint, steps_completed
latest_checkpoint = interceptor.metrics_result()["uuid"]
steps_completed = trainer.get_steps_completed()
def _make_test_workloads(config: det.ExperimentConfig) -> workload.Stream:
interceptor = workload.WorkloadResponseInterceptor()
logging.info("Training one batch")
yield from interceptor.send(workload.train_workload(1))
metrics = interceptor.metrics_result()
batch_metrics = metrics["metrics"]["batch_metrics"]
check.eq(len(batch_metrics), config.scheduling_unit())
logging.info(f"Finished training, metrics: {batch_metrics}")
logging.info("Validating one batch")
yield from interceptor.send(workload.validation_workload(1))
validation = interceptor.metrics_result()
v_metrics = validation["metrics"]["validation_metrics"]
logging.info(f"Finished validating, validation metrics: {v_metrics}")
logging.info("Saving a checkpoint.")
yield workload.checkpoint_workload(), workload.ignore_workload_response
logging.info("Finished saving a checkpoint.")
def send(self,
steps: int,
validation_freq: int,
initial_step_id: int = 1,
batches_per_step: int = 1) -> workload.Stream:
self._training_metrics = []
self._validation_metrics = []
interceptor = workload.WorkloadResponseInterceptor()
for step_id in range(initial_step_id, initial_step_id + steps):
stop_requested = False
yield from interceptor.send(workload.train_workload(step_id),
[batches_per_step])
metrics = interceptor.metrics_result()
batch_metrics = metrics["metrics"]["batch_metrics"]
assert len(batch_metrics) == batches_per_step
self._training_metrics.extend(batch_metrics)
if metrics["stop_requested"]:
assert step_id == self.request_stop_step_id
stop_requested = True
if step_id % validation_freq == 0:
yield from interceptor.send(
workload.validation_workload(step_id), [])
validation = interceptor.metrics_result()
print(validation)
v_metrics = validation["metrics"]["validation_metrics"]
self._validation_metrics.append(v_metrics)
if validation["stop_requested"]:
assert step_id == self.request_stop_step_id
stop_requested = True
if stop_requested:
break
else:
assert step_id != self.request_stop_step_id
def _make_test_workloads(checkpoint_dir: pathlib.Path,
config: det.ExperimentConfig) -> workload.Stream:
interceptor = workload.WorkloadResponseInterceptor()
logging.info("Training one batch")
yield from interceptor.send(workload.train_workload(1), [])
metrics = interceptor.metrics_result()
batch_metrics = metrics["metrics"]["batch_metrics"]
check.eq(len(batch_metrics), config.scheduling_unit())
logging.debug(f"Finished training, metrics: {batch_metrics}")
logging.info("Validating one step")
yield from interceptor.send(workload.validation_workload(1), [])
validation = interceptor.metrics_result()
v_metrics = validation["metrics"]["validation_metrics"]
logging.debug(f"Finished validating, validation metrics: {v_metrics}")
logging.info(f"Saving a checkpoint to {checkpoint_dir}.")
yield workload.checkpoint_workload(), [checkpoint_dir
], workload.ignore_workload_response
logging.info(f"Finished saving a checkpoint to {checkpoint_dir}.")
yield workload.terminate_workload(), [], workload.ignore_workload_response
logging.info("The test experiment passed.")
def make_workloads() -> workload.Stream:
interceptor = workload.WorkloadResponseInterceptor()
for i, wkld in enumerate(fake_subprocess_receiver.fake_workload_gen()):
yield from interceptor.send(wkld, [])
assert interceptor.metrics_result() == {"count": i}
