def _process_estimate_is_in_progress(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.ESTIMATE_IS_IN_PROGRESS
estimation_assignments = task_declaration.get_estimation_assignments(
states=(
EstimationAssignment.State.ESTIMATING,
EstimationAssignment.State.FINISHED
)
)
finished_assignments = []
count_timeout = 0
with async_commit():
for ea in estimation_assignments:
if ea.state == EstimationAssignment.State.ESTIMATING:
if ea.estimation_result.state == EstimationResult.State.FINISHED:
ea.state = EstimationAssignment.State.FINISHED
ea.save()
else:
estimate_timeout = settings.WAIT_ESTIMATE_TIMEOUT
now = datetime.datetime.utcnow().replace(tzinfo=ea.estimation_result.modified_at.tzinfo)
if (now - ea.estimation_result.modified_at).total_seconds() > estimate_timeout:
ea.state = EstimationAssignment.State.TIMEOUT
ea.save()
logger.info('Timeout of waiting for {}'.format(ea))
count_timeout += 1
if ea.state == EstimationAssignment.State.FINISHED:
finished_assignments.append(ea)
if count_timeout:
task_declaration.estimators_needed += count_timeout
self._republish_for_estimation(task_declaration)
return
if len(finished_assignments) == task_declaration.estimators_requested:
task_declaration.state = TaskDeclaration.State.ESTIMATED
task_declaration.estimated_tflops, failed = Estimator.estimate(task_declaration, finished_assignments)
if failed:
logger.info('{} is failed'.format(task_declaration))
task_declaration.state = TaskDeclaration.State.FAILED
task_declaration.save()
return
logger.info('Wait of finish for estimation {}, finished: {}, requested: {}'.format(
task_declaration, len(finished_assignments), task_declaration.estimators_requested
))
def _republish_for_estimation(self, task_declaration: TaskDeclaration):
assert task_declaration.estimators_needed > 0
task_declaration.state = TaskDeclaration.State.ESTIMATE_IS_REQUIRED
task_declaration.save()
for ei in task_declaration.get_estimation_assignments(states=(EstimationAssignment.State.REJECTED,)):
ei.state = EstimationAssignment.State.REASSIGN
# return back ownership
ei.save(recipients=ei.estimator.address)
def _process_epoch_in_progress(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.EPOCH_IN_PROGRESS
task_assignments = task_declaration.get_task_assignments(
states=(
TaskAssignment.State.TRAINING,
TaskAssignment.State.FINISHED,
)
)
failed = False
finished_task_assignments = []
count_timeout = 0
with async_commit():
for ta in task_assignments:
if ta.state == TaskAssignment.State.TRAINING:
if ta.iteration_is_finished:
ta.state = TaskAssignment.State.FINISHED
ta.save()
if ta.state == TaskAssignment.State.FINISHED:
if ta.train_result.error:
failed = True
else:
finished_task_assignments.append(ta)
continue
train_timeout = settings.WAIT_TRAIN_TIMEOUT
now = datetime.datetime.utcnow().replace(tzinfo=ta.train_result.modified_at.tzinfo)
if (now - ta.train_result.modified_at).total_seconds() > train_timeout:
ta.state = TaskAssignment.State.TIMEOUT
ta.save()
logger.info('Timeout of waiting for {}'.format(ta))
count_timeout += 1
if failed:
logger.info('{} is failed'.format(task_declaration))
task_declaration.state = TaskDeclaration.State.FAILED
task_declaration.save()
return
if count_timeout:
task_declaration.workers_needed += count_timeout
self._republish_for_train(task_declaration)
return
if len(finished_task_assignments) < task_declaration.workers_requested:
logger.info('Wait for finish of training for {} iteration {}'.format(
task_declaration, task_declaration.current_iteration))
return
if task_declaration.current_iteration > 1:
self._save_loss_and_accuracy(task_declaration, finished_task_assignments)
self._assign_verification_data(task_declaration, finished_task_assignments)
def _reassign_train_data(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.DEPLOYMENT_TRAIN
task_assignments = task_declaration.get_task_assignments(
states=(
TaskAssignment.State.ACCEPTED,
TaskAssignment.State.TIMEOUT,
TaskAssignment.State.FAKE_RESULTS
)
)
# split by state
accepted_task_assignment = []
failed_task_assignments = []
for ta in task_assignments:
if ta.state == TaskAssignment.State.ACCEPTED:
accepted_task_assignment.append(ta)
continue
if ta.state == TaskAssignment.State.TIMEOUT:
failed_task_assignments.append(ta)
continue
if ta.state == TaskAssignment.State.FAKE_RESULTS:
failed_task_assignments.append(ta)
continue
assert False and 'Check query!'
assert len(failed_task_assignments) == len(accepted_task_assignment)
# assign data to new accepted task_assignments
for index, ta in enumerate(accepted_task_assignment):
failed_ta = failed_task_assignments[index]
# reassign train data
# retrieve data which producer is able to encrypt
train_data = TrainData.get_with_initial_data(
asset_id=failed_ta.train_data_id,
db=self.db,
encryption=self.encryption
)
train_data.task_assignment_id = ta.asset_id
# share data with new worker
train_data.set_encryption_key(ta.worker.enc_key)
train_data.save()
ta.train_data_id = train_data.asset_id
ta.state = TaskAssignment.State.TRAINING
ta.save()
failed_ta.state = TaskAssignment.State.FORGOTTEN
failed_ta.save()
task_declaration.state = TaskDeclaration.State.EPOCH_IN_PROGRESS
task_declaration.save()
def _reassign_verification_data(self, task_declaration: TaskDeclaration):
verification_assignments = task_declaration.get_verification_assignments(
states=(VerificationAssignment.State.ACCEPTED, VerificationAssignment.State.TIMEOUT)
)
# split accepted and overdue
accepted_verification_assignments = []
timeout_verification_assignments = []
for va in verification_assignments:
if va.state == VerificationAssignment.State.ACCEPTED:
accepted_verification_assignments.append(va)
continue
if va.state == VerificationAssignment.State.TIMEOUT:
timeout_verification_assignments.append(va)
continue
assert False and 'Check query!'
assert len(accepted_verification_assignments) == len(timeout_verification_assignments)
train_results = [
{
'worker_id': ta.worker_id,
'result': ta.train_result.weights_ipfs
}
for ta in task_declaration.get_task_assignments(states=(TaskAssignment.State.FINISHED,))
]
for index, va in enumerate(accepted_verification_assignments):
assert va.verification_data_id is None
verification_data = VerificationData.create(
verification_assignment_id=va.asset_id,
# share data with verifier
public_key=va.verifier.enc_key,
test_dir_ipfs=task_declaration.dataset.test_dir_ipfs,
model_code_ipfs=task_declaration.train_model.code_ipfs,
train_results=train_results,
db=self.db,
encryption=self.encryption
)
va.verification_data_id = verification_data.asset_id
va.state = VerificationAssignment.State.VERIFYING
va.save()
failed_va = timeout_verification_assignments[index]
failed_va.state = VerificationAssignment.State.FORGOTTEN
failed_va.save()
task_declaration.state = TaskDeclaration.State.VERIFY_IN_PROGRESS
task_declaration.save()
def _process_estimated(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.ESTIMATED
# wait while job will be issued and will have enough balance
if task_declaration.balance_in_wei >= task_declaration.train_cost_in_wei:
task_declaration.state = TaskDeclaration.State.DEPLOYMENT
task_declaration.save()
else:
if task_declaration.issued:
logger.info('Deposit for {} is required, balance: {:.5f} train cost: {:.5f}'.format(
task_declaration, task_declaration.balance, task_declaration.train_cost))
else:
logger.info('Issue for {} is required, train cost: {:.5f}'.format(
task_declaration, task_declaration.train_cost))
def _republish_for_verify(self, task_declaration: TaskDeclaration):
assert task_declaration.verifiers_needed > 0
task_declaration.state = TaskDeclaration.State.DEPLOYMENT_VERIFICATION
task_declaration.save()
verification_assignment = task_declaration.get_verification_assignments(
states=(VerificationAssignment.State.REJECTED,)
)
for va in verification_assignment:
va.state = VerificationAssignment.State.REASSIGN
# return back ownership
va.save(recipients=va.verifier.address)
def _republish_for_train(self, task_declaration: TaskDeclaration):
assert task_declaration.workers_needed > 0
task_declaration.state = TaskDeclaration.State.DEPLOYMENT_TRAIN
task_declaration.current_iteration_retry += 1
task_declaration.save()
task_assignments = task_declaration.get_task_assignments(
states=(TaskAssignment.State.REJECTED,)
)
for ta in task_assignments:
ta.state = TaskAssignment.State.REASSIGN
# return back ownership
ta.save(recipients=ta.worker.address)
def _assign_verification_data(self, task_declaration: TaskDeclaration, task_assignments: ListTaskAssignments):
train_results = []
for ta in task_assignments:
train_results.append({
'worker_id': ta.worker_id,
'result': ta.train_result.weights_ipfs
})
task_declaration.tflops += ta.train_result.tflops
for verification_assignment in task_declaration.get_verification_assignments(
states=(VerificationAssignment.State.ACCEPTED, VerificationAssignment.State.FINISHED)):
if verification_assignment.state == VerificationAssignment.State.ACCEPTED:
assert verification_assignment.verification_data_id is None
verification_data = VerificationData.create(
verification_assignment_id=verification_assignment.asset_id,
# share data with verifier
public_key=verification_assignment.verifier.enc_key,
test_dir_ipfs=task_declaration.dataset.test_dir_ipfs,
model_code_ipfs=task_declaration.train_model.code_ipfs,
train_results=train_results,
db=self.db,
encryption=self.encryption
)
verification_assignment.verification_data_id = verification_data.asset_id
verification_assignment.state = VerificationAssignment.State.VERIFYING
verification_assignment.save()
continue
if verification_assignment.state == VerificationAssignment.State.FINISHED:
verification_data = verification_assignment.verification_data
verification_data.train_results = train_results
verification_data.save()
verification_assignment.state = VerificationAssignment.State.VERIFYING
verification_assignment.save()
continue
task_declaration.state = TaskDeclaration.State.VERIFY_IN_PROGRESS
task_declaration.save()
def _update_train_data_for_next_iteration(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.VERIFY_IN_PROGRESS
task_declaration.current_iteration += 1
task_declaration.current_iteration_retry = 0
task_declaration.progress = (
task_declaration.current_iteration * task_declaration.epochs_in_iteration * 100
/ task_declaration.epochs)
count_ta = 0
for ta in task_declaration.get_task_assignments(states=(TaskAssignment.State.FINISHED,)):
train_data = ta.train_data
# share data to worker
train_data.set_encryption_key(ta.worker.enc_key)
train_data.save()
ta.state = TaskAssignment.State.TRAINING
ta.save()
count_ta += 1
assert task_declaration.workers_requested == count_ta
task_declaration.state = TaskDeclaration.State.EPOCH_IN_PROGRESS
task_declaration.save()
def _process_verify_in_progress(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.VERIFY_IN_PROGRESS
verification_assignments = task_declaration.get_verification_assignments(
states=(
VerificationAssignment.State.VERIFYING,
VerificationAssignment.State.FINISHED
)
)
failed = False
finished_verification_assignments = []
count_timeout = 0
with async_commit():
for va in verification_assignments:
if va.state == VerificationAssignment.State.VERIFYING:
if va.iteration_is_finished:
va.state = VerificationAssignment.State.FINISHED
va.save()
if va.state == VerificationAssignment.State.FINISHED:
if va.verification_result.error:
failed = True
else:
finished_verification_assignments.append(va)
continue
verify_timeout = settings.WAIT_VERIFY_TIMEOUT
now = datetime.datetime.utcnow().replace(tzinfo=va.verification_result.modified_at.tzinfo)
if (now - va.verification_result.modified_at).total_seconds() > verify_timeout:
va.state = VerificationAssignment.State.TIMEOUT
va.save()
logger.info('Timeout of waiting for {}'.format(va))
count_timeout += 1
if count_timeout:
task_declaration.verifiers_needed += count_timeout
self._republish_for_verify(task_declaration)
return
if failed:
logger.info('{} is failed'.format(task_declaration))
task_declaration.state = TaskDeclaration.State.FAILED
task_declaration.save()
return
if len(finished_verification_assignments) < task_declaration.verifiers_requested:
# verification is not ready
logger.info('Wait for finish of verification for {} iteration {}'.format(
task_declaration, task_declaration.current_iteration))
return
fake_workers = self._parse_verification_results(
task_declaration, finished_verification_assignments)
if fake_workers:
logger.info('Fake workers detected')
fake_worker_ids = []
for worker_id, count_detections in fake_workers.items():
logger.info('Fake worker_id: {}, count detections: {}'.format(worker_id, count_detections))
fake_worker_ids.append(worker_id)
self._reject_fake_workers(task_declaration, fake_worker_ids)
self._republish_for_train(task_declaration)
return
if not task_declaration.last_iteration:
self._update_train_data_for_next_iteration(task_declaration)
return
task_declaration.progress = 100.0
task_declaration.state = TaskDeclaration.State.COMPLETED
task_declaration.save()
logger.info('{} is finished tflops: {} estimated: {}'.format(
task_declaration, task_declaration.tflops, task_declaration.estimated_tflops))
def _assign_estimate_data(self, task_declaration: TaskDeclaration):
estimation_assignments = task_declaration.get_estimation_assignments(
states=(EstimationAssignment.State.ACCEPTED, EstimationAssignment.State.TIMEOUT)
)
# split accepted and overdue
accepted_estimation_assignments = []
timeout_estimation_assignments = []
for ea in estimation_assignments:
if ea.state == EstimationAssignment.State.ACCEPTED:
accepted_estimation_assignments.append(ea)
continue
if ea.state == EstimationAssignment.State.TIMEOUT:
timeout_estimation_assignments.append(ea)
continue
assert False and 'Check query!'
if len(timeout_estimation_assignments):
# its reassign
assert len(timeout_estimation_assignments) == len(accepted_estimation_assignments)
for index, ea in enumerate(accepted_estimation_assignments):
timeout_ea = timeout_estimation_assignments[index]
# reassign estimation data
# retrieve data which producer is able to encrypt
estimation_data = EstimationData.get_with_initial_data(
asset_id=timeout_ea.estimation_data_id,
db=self.db,
encryption=self.encryption
)
estimation_data.estimation_assignment_id = ea.asset_id
# share data with new estimator
estimation_data.set_encryption_key(ea.estimator.enc_key)
estimation_data.save()
ea.estimation_data_id = estimation_data.asset_id
ea.state = EstimationAssignment.State.ESTIMATING
ea.save()
timeout_ea.state = EstimationAssignment.State.FORGOTTEN
timeout_ea.save()
else:
estimation_data_params = Estimator.get_data_for_estimate(task_declaration)
for ea in accepted_estimation_assignments:
# create initial state with encrypted data which producer will be able to decrypt
estimation_data = EstimationData.create(
db=self.db,
encryption=self.encryption,
**estimation_data_params
)
# share data with estimator
estimation_data.estimation_assignment_id = ea.asset_id
estimation_data.set_encryption_key(ea.estimator.enc_key)
estimation_data.save()
ea.estimation_data_id = estimation_data.asset_id
ea.state = EstimationAssignment.State.ESTIMATING
ea.save()
task_declaration.state = TaskDeclaration.State.ESTIMATE_IS_IN_PROGRESS
task_declaration.save()
def _assign_initial_train_data(self, task_declaration: TaskDeclaration):
assert task_declaration.state == TaskDeclaration.State.DEPLOYMENT
# start of train
task_declaration.current_iteration += 1
task_declaration.current_iteration_retry = 0
accepted_task_assignment = task_declaration.get_task_assignments(states=(TaskAssignment.State.ACCEPTED,))
count_ta = 0
train_dirs_ipfs, files = Directory(multihash=task_declaration.dataset.train_dir_ipfs).ls()
test_dirs_ipfs, files = Directory(multihash=task_declaration.dataset.test_dir_ipfs).ls()
all_train_chunks_ipfs = self._chunk_it(
iterable=[x.multihash for x in train_dirs_ipfs],
count=task_declaration.workers_requested
)
assert len(all_train_chunks_ipfs) == task_declaration.workers_requested
all_test_chunks_ipfs = self._chunk_it(
iterable=[x.multihash for x in test_dirs_ipfs],
count=task_declaration.workers_requested
)
assert len(all_test_chunks_ipfs) == task_declaration.workers_requested
list_td_ta = []
with async_commit():
# create TrainData
for index, task_assignment in enumerate(accepted_task_assignment):
train_chunks_ipfs = all_train_chunks_ipfs[index]
test_chunks_ipfs = all_test_chunks_ipfs[index]
train_data = TrainData.create(
model_code_ipfs=task_declaration.train_model.code_ipfs,
train_chunks_ipfs=train_chunks_ipfs,
test_chunks_ipfs=test_chunks_ipfs,
data_index=index,
db=self.db,
encryption=self.encryption
)
list_td_ta.append((train_data, task_assignment))
logger.debug('Created {}, train chunks: {}, count:{}, test chunks: {}, count:{}'.format(
train_data, train_chunks_ipfs, len(train_chunks_ipfs), test_chunks_ipfs, len(test_chunks_ipfs)))
count_ta += 1
assert task_declaration.workers_requested == count_ta
with async_commit():
# share to worker
for train_data, task_assignment in list_td_ta:
train_data.task_assignment_id = task_assignment.asset_id
train_data.set_encryption_key(task_assignment.worker.enc_key)
train_data.save()
task_assignment.train_data_id = train_data.asset_id
task_assignment.state = TaskAssignment.State.TRAINING
task_assignment.save()
task_declaration.state = TaskDeclaration.State.EPOCH_IN_PROGRESS
task_declaration.save()