def aug_opt(
name,
train_spec,
scheduler,
inner_config_dir,
resume=None,
fresh=False,
search_alg=None,
):
from ray.tune import run
from ray.tune import Experiment
train_spec['config']['config_dir'] = inner_config_dir
if resume is None:
resume = not fresh
experiment = Experiment.from_json(name=name, spec=train_spec)
if fresh and os.path.exists(experiment.local_dir):
import shutil
shutil.rmtree(experiment.local_dir)
run(experiment,
name=name,
scheduler=scheduler,
reuse_actors=True,
verbose=True,
resume=resume,
search_alg=search_alg,
trial_name_creator=tune.function(trial_str_creator))
def create_expe_spec(config, n_cpu, n_gpu, exp_dir):
def _trial_name_creator(trial):
return "{}_{}_123".format(trial.trainable_name, trial.trial_id)
# Create env and register it, so ray and rllib can use it
register_env(config["env_config"]["env"],
lambda env_config: env_basic_creator(env_config))
expe_config = merge_env_algo_config(config)
# Shouldn't be useful now, automatic in RLLIB
#trial_resources = {"cpu": expe_config["num_workers"]+3, "gpu": expe_config["num_gpus"]}
# expe_config["lr"] = grid_search([1e-3, 1e-4, 5e-4, 1e-5, 5e-5])
# expe_config["target_network_update_freq"] = grid_search([20000, 40000])
experiment = Experiment(
name=config["name_expe"],
run=config["algo"],
stop=config["stop"],
config=expe_config,
num_samples=config.get("num_samples", 1),
checkpoint_freq=10,
max_failures=2,
local_dir=exp_dir,
# trial_name_creator=tune.function(_trial_name_creator)
# todo : add when available
)
return experiment
def _setup_create_experiment_checkpoint_dir(
self, run_config: Optional[RunConfig]) -> str:
"""Sets up experiment checkpoint dir before actually running the experiment."""
path = Experiment.get_experiment_checkpoint_dir(
self._convert_trainable(self._trainable),
run_config.local_dir,
run_config.name,
)
if not os.path.exists(path):
os.makedirs(path)
return path
def create_experiment(args):
"""
Create a single experiment from arguments.
:param args: The parsed arguments.
:return: A new experiment with its own trainer.
"""
experiment_name = get_experiment_name(args)
config = build_experiment_config_dict(args)
trainer = get_trainer(args=args, config=config)
experiment_dict = build_experiment_dict(args, experiment_name, trainer, config)
return Experiment(**experiment_dict)
def main():
args = parse_args()
save_path = args.save_path = os.path.join(args.save_folder, args.arch)
os.makedirs(save_path)
#os.makedirs(save_path, exist_ok=True)
# config
args.logger_file = os.path.join(save_path, 'log_{}.txt'.format(args.cmd))
handlers = [
logging.FileHandler(args.logger_file, mode='w'),
logging.StreamHandler()
]
logging.basicConfig(level=logging.INFO,
datefmt='%m-%d-%y %H:%M',
format='%(asctime)s:%(message)s',
handlers=handlers)
if args.cmd == 'train':
logging.info('start training {}'.format(args.arch))
run_training(args)
elif args.cmd == 'test':
logging.info('start evaluating {} with checkpoints from {}'.format(
args.arch, args.resume))
test_model(args)
elif args.cmd == 'tune':
import ray
import ray.tune as tune
from ray.tune import Experiment
from ray.tune.median_stopping_rule import MedianStoppingRule
ray.init()
sched = MedianStoppingRule(time_attr="timesteps_total",
reward_attr="neg_mean_loss")
tune.register_trainable(
"run_training",
lambda cfg, reporter: run_training(args, cfg, reporter))
experiment = Experiment(
"train_rl",
"run_training",
trial_resources={"gpu": 1},
config={"alpha": tune.grid_search([0.1, 0.01, 0.001])})
tune.run_experiments(experiment, scheduler=sched, verbose=False)
def to_ray_experiment(self) -> Experiment:
with open(self._parameter_file, "r") as parameter_f:
parameter_file_snippet = parameter_f.read()
trainable_name = f"{self._experiment_name}_train_func_{self._run_id or '0'}"
logger.info(f"Register run parameters: {self._run_parameters}")
register_trainable(
trainable_name,
train_func(
run_parameters=self._run_parameters,
parameter_file_snippet=parameter_file_snippet,
current_working_dir=self._current_working_dir,
serialization_dir=self._serialization_dir,
include_packages=self._include_packages,
gpus_available=self._gpus_available,
),
)
def trial_name_creator(trial):
params = ",".join([
f"{k}={v}" for k, v in sorted(self._run_parameters.items(),
key=lambda kv: kv[0])
])
return f"{trial}_{params}"
config = self._hyperparameters or {}
return Experiment(
name=self._experiment_name,
run=trainable_name,
config=config,
resources_per_trial=self._resources_per_trial,
local_dir=self._log_dir,
trial_name_creator=tune.function(trial_name_creator)
if self._run_parameters else None,
)
def train_model_on_task(self, task, task_viz, exp_dir, use_ray,
use_ray_logging, grace_period,
num_hp_samplings, local_mode,
redis_address, lca_n, **training_params):
logger.info("Training dashboard: {}".format(get_env_url(task_viz)))
t_id = task['id']
trainable = self.get_trainable(use_ray_logging=use_ray_logging)
past_tasks = training_params.pop('past_tasks')
normalize = training_params.pop('normalize')
augment_data = training_params.pop('augment_data')
transformations = []
if augment_data:
transformations.extend([
transforms.ToPILImage(),
transforms.RandomHorizontalFlip(),
transforms.RandomCrop(32, 4),
transforms.ToTensor()
])
t_trans = [[] for _ in range(len(task['split_names']))]
t_trans[0] = transformations
datasets = trainable._load_datasets(task,
task['loss_fn'],
past_tasks, t_trans, normalize)
train_loader, eval_loaders = get_classic_dataloaders(datasets,
training_params.pop(
'batch_sizes'))
model = self.get_model(task_id=t_id, x_dim=task['x_dim'],
n_classes=task['n_classes'],
descriptor=task['descriptor'],
dataset=eval_loaders[:2])
if use_ray:
if not ray.is_initialized():
ray.init(address=redis_address)
scheduler = None
training_params['loss_fn'] = tune.function(
training_params['loss_fn'])
training_params['optim_func'] = tune.function(self.optim_func)
init_model_path = os.path.join(exp_dir, 'model_initializations')
model_file_name = '{}_init.pth'.format(training_params['name'])
model_path = os.path.join(init_model_path, model_file_name)
torch.save(model, model_path)
training_params['model_path'] = model_path
config = {**self.get_search_space(),
'training-params': training_params}
if use_ray_logging:
stop_condition = {'training_iteration':
training_params['n_it_max']}
checkpoint_at_end = False
keep_checkpoints_num = 1
checkpoint_score_attr = 'min-Val nll'
else:
stop_condition = None
# loggers = [JsonLogger, MyCSVLogger]
checkpoint_at_end = False
keep_checkpoints_num = None
checkpoint_score_attr = None
trainable = rename_class(trainable, training_params['name'])
experiment = Experiment(
name=training_params['name'],
run=trainable,
stop=stop_condition,
config=config,
resources_per_trial=self.ray_resources,
num_samples=num_hp_samplings,
local_dir=exp_dir,
loggers=(JsonLogger, CSVLogger),
checkpoint_at_end=checkpoint_at_end,
keep_checkpoints_num=keep_checkpoints_num,
checkpoint_score_attr=checkpoint_score_attr)
analysis = tune.run(experiment,
scheduler=scheduler,
verbose=1,
raise_on_failed_trial=True,
# max_failures=-1,
# with_server=True,
# server_port=4321
)
os.remove(model_path)
logger.info("Training dashboard: {}".format(get_env_url(task_viz)))
all_trials = {t.logdir: t for t in analysis.trials}
best_logdir = analysis.get_best_logdir('Val nll', 'min')
best_trial = all_trials[best_logdir]
# picked_metric = 'accuracy_0'
# metric_names = {s: '{} {}'.format(s, picked_metric) for s in
# ['Train', 'Val', 'Test']}
logger.info('Best trial: {}'.format(best_trial))
best_res = best_trial.checkpoint.result
best_point = (best_res['training_iteration'], best_res['Val nll'])
# y_keys = ['mean_loss' if use_ray_logging else 'Val nll', 'train_loss']
y_keys = ['Val nll', 'Train nll']
epoch_key = 'training_epoch'
it_key = 'training_iteration'
plot_res_dataframe(analysis, training_params['name'], best_point,
task_viz, epoch_key, it_key, y_keys)
if 'entropy' in next(iter(analysis.trial_dataframes.values())):
plot_res_dataframe(analysis, training_params['name'], None,
task_viz, epoch_key, it_key, ['entropy'])
best_model = self.get_model(task_id=t_id)
best_model.load_state_dict(torch.load(best_trial.checkpoint.value))
train_accs = analysis.trial_dataframes[best_logdir]['Train accuracy_0']
best_t = best_res['training_iteration']
t = best_trial.last_result['training_iteration']
else:
search_space = self.get_search_space()
rand_config = list(generate_variants(search_space))[0][1]
learner_params = rand_config.pop('learner-params', {})
optim_params = rand_config.pop('optim')
split_optims = training_params.pop('split_optims')
if hasattr(model, 'set_h_params'):
model.set_h_params(**learner_params)
if hasattr(model, 'train_loader_wrapper'):
train_loader = model.train_loader_wrapper(train_loader)
loss_fn = task['loss_fn']
if hasattr(model, 'loss_wrapper'):
loss_fn = model.loss_wrapper(task['loss_fn'])
prepare_batch = _prepare_batch
if hasattr(model, 'prepare_batch_wrapper'):
prepare_batch = model.prepare_batch_wrapper(prepare_batch, t_id)
optim_fact = partial(set_optim_params,
optim_func=self.optim_func,
optim_params=optim_params,
split_optims=split_optims)
if hasattr(model, 'train_func'):
f = model.train_func
t, metrics, b_state_dict = f(train_loader=train_loader,
eval_loaders=eval_loaders,
optim_fact=optim_fact,
loss_fn=loss_fn,
split_names=task['split_names'],
viz=task_viz,
prepare_batch=prepare_batch,
**training_params)
else:
optim = optim_fact(model=model)
t, metrics, b_state_dict = train(model=model,
train_loader=train_loader,
eval_loaders=eval_loaders,
optimizer=optim,
loss_fn=loss_fn,
split_names=task['split_names'],
viz=task_viz,
prepare_batch=prepare_batch,
**training_params)
train_accs = metrics['Train accuracy_0']
best_t = b_state_dict['iter']
if 'training_archs' in metrics:
plot_trajectory(model.ssn.graph, metrics['training_archs'],
model.ssn.stochastic_node_ids, task_viz)
weights = model.arch_sampler().squeeze()
archs = model.ssn.get_top_archs(weights, 5)
list_top_archs(archs, task_viz)
list_arch_scores(self.arch_scores[t_id], task_viz)
update_summary(self.arch_scores[t_id], task_viz, 'scores')
if len(train_accs) > lca_n:
lca_accs = []
for i in range(lca_n + 1):
if i in train_accs:
lca_accs.append(train_accs[i])
else:
logger.warning('Missing step for {}/{} for lca computation'
.format(i, lca_n))
lca = np.mean(lca_accs)
else:
lca = np.float('nan')
stats = {}
start = time.time()
# train_idx = task['split_names'].index('Train')
# train_path = task['data_path'][train_idx]
# train_dataset = _load_datasets([train_path])[0]
train_dataset = _load_datasets(task, 'Train')[0]
stats.update(self.finish_task(train_dataset, t_id, task_viz,
path='drawings'))
stats['duration'] = {'iterations': t,
'finish': time.time() - start,
'best_iterations': best_t}
stats['params'] = {'total': self.n_params(t_id),
'new': self.new_params(t_id)}
stats['lca'] = lca
return stats
# 从给定的检查点恢复（训练出错）
def _restore(self, checkpoint_path):
with open(checkpoint_path) as f:
self.timestep = json.loads(f.read())["timestep"]
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"--smoke-test", action="store_true", help="Finish quickly for testing")
args, _ = parser.parse_known_args()
ray.init()
exp = Experiment(
name="hyperband_test",
run=MyTrainableClass,
# num_samples 从超参数空间抽样两次，此代码即训练两次可训练函数MyTrainableClass
num_samples=10,
# 可训练函数重命名
# trial_name_creator=tune.function(trial_str_creator),
# 打印训练过程中每次试验的状态信息。
# loggers=[TestLogger],
stop={"training_iteration": 1 if args.smoke_test else 999},
# random.random()生成0和1之间的随机浮点数float
# config参数的含义是 width取值空间为[10, 100], height 取值空间为 [0, 100]
config={
"width": tune.sample_from(lambda spec: 10 + int(90 * random.random())),
"height": tune.sample_from(lambda spec: int(100 * random.random()))
})
trials = run(exp)
def testPointsToEvaluateBasicVariantAdvanced(self):
config = {
"grid_1": tune.grid_search(["a", "b", "c", "d"]),
"grid_2": tune.grid_search(["x", "y", "z"]),
"nested": {
"random":
tune.uniform(2., 10.),
"dependent":
tune.sample_from(lambda spec: -1. * spec.config.nested.random)
}
}
points = [
{
"grid_1": "b"
},
{
"grid_2": "z"
},
{
"grid_1": "a",
"grid_2": "y"
},
{
"nested": {
"random": 8.0
}
},
]
from ray.tune.suggest.basic_variant import BasicVariantGenerator
# grid_1 * grid_2 are 3 * 4 = 12 variants per complete grid search
# However if one grid var is set by preset variables, that run
# is excluded from grid search.
# Point 1 overwrites grid_1, so the first trial only grid searches
# over grid_2 (3 trials).
# The remaining 5 trials search over the whole space (5 * 12 trials)
searcher = BasicVariantGenerator(points_to_evaluate=[points[0]])
exp = Experiment(run=_mock_objective,
name="test",
config=config,
num_samples=6)
searcher.add_configurations(exp)
self.assertEqual(searcher.total_samples, 1 * 3 + 5 * 12)
# Point 2 overwrites grid_2, so the first trial only grid searches
# over grid_1 (4 trials).
# The remaining 5 trials search over the whole space (5 * 12 trials)
searcher = BasicVariantGenerator(points_to_evaluate=[points[1]])
exp = Experiment(run=_mock_objective,
name="test",
config=config,
num_samples=6)
searcher.add_configurations(exp)
self.assertEqual(searcher.total_samples, 1 * 4 + 5 * 12)
# Point 3 overwrites grid_1 and grid_2, so the first trial does not
# grid search.
# The remaining 5 trials search over the whole space (5 * 12 trials)
searcher = BasicVariantGenerator(points_to_evaluate=[points[2]])
exp = Experiment(run=_mock_objective,
name="test",
config=config,
num_samples=6)
searcher.add_configurations(exp)
self.assertEqual(searcher.total_samples, 1 + 5 * 12)
# When initialized with all points, the first three trials are
# defined by the logic above. Only 3 trials are grid searched
# compeletely.
searcher = BasicVariantGenerator(points_to_evaluate=points)
exp = Experiment(run=_mock_objective,
name="test",
config=config,
num_samples=6)
searcher.add_configurations(exp)
self.assertEqual(searcher.total_samples, 1 * 3 + 1 * 4 + 1 + 3 * 12)
# Run this and confirm results
analysis = tune.run(exp, search_alg=searcher)
configs = [trial.config for trial in analysis.trials]
self.assertEqual(len(configs), searcher.total_samples)
self.assertTrue(all(config["grid_1"] == "b"
for config in configs[0:3]))
self.assertTrue(all(config["grid_2"] == "z"
for config in configs[3:7]))
self.assertTrue(configs[7]["grid_1"] == "a"
and configs[7]["grid_2"] == "y")
self.assertTrue(configs[8]["nested"]["random"] == 8.0)
self.assertTrue(configs[8]["nested"]["dependent"] == -8.0)
'optimizer': self.optimizer.state_dict()
}
torch.save(cpd, checkpoint_dir + "/save")
def _restore(self, path):
cpd = torch.load(path)
self.iteration = cpd['iteration']
self.sc.load_state_dict(cpd['state_dict'])
self.optimizer.load_state_dict(cpd['optimizer'])
if __name__ == "__main__":
ray.init()
dset = TensorDataset(
torch.randn(100, 64, 1024), torch.randn(100, 1024),
torch.randint(100, size=(100, )).type(torch.LongTensor))
dset_id = pin_in_object_store(dset)
tune.register_trainable('train_sc', Trainer)
exp = Experiment(name="speaker classification",
run='train_sc',
stop={"timesteps_total": 1},
config={
"lr": 1e-3,
"dset_id": dset_id,
"nspeakers": 100,
"batch_size": 1,
})
tune.run_experiments(exp)
def train_model_on_task(self, task, task_viz, exp_dir, use_ray,
use_ray_logging, smoke_test, n_it_max, grace_period,
num_hp_samplings, local_mode, tune_register_lock,
resources, **training_params):
logger.info("Training dashboard: {}".format(get_env_url(task_viz)))
model = self.get_model(task_id=task.id)
trainable = self.get_trainable(use_ray_logging=use_ray_logging)
self.prepare_task(task, training_params)
if use_ray:
# Required to avoid collisions in Tune's global Registry:
# https://github.com/ray-project/ray/blob/master/python/ray/tune/registry.py
trainable = rename_class(trainable, training_params['name'])
scheduler = None
training_params['loss_fn'] = tune.function(
training_params['loss_fn'])
training_params['optim_func'] = tune.function(self.optim_func)
training_params['n_it_max'] = n_it_max
init_model_path = os.path.join(exp_dir, 'model_initializations')
model_file_name = '{}_init.pth'.format(training_params['name'])
model_path = os.path.join(init_model_path, model_file_name)
torch.save(model, model_path)
training_params['model_path'] = model_path
config = {'hyper-params': self.get_search_space(smoke_test),
'tp': training_params}
if use_ray_logging:
stop_condition = {'training_iteration': n_it_max}
loggers = None
else:
stop_condition = None
loggers = [JsonLogger, MyCSVLogger]
# We need to create the experiment using a lock here to avoid issues
# with Tune's global registry, more specifically with the
# `_to_flush` dict that may change during the iteration over it.
# https://github.com/ray-project/ray/blob/e3c9f7e83a6007ded7ae7e99fcbe9fcaa371bad3/python/ray/tune/registry.py#L91-L93
tune_register_lock.acquire()
experiment = Experiment(
name=training_params['name'],
run=trainable,
stop=stop_condition,
config=config,
resources_per_trial=resources,
num_samples=num_hp_samplings,
local_dir=exp_dir,
loggers=loggers,
keep_checkpoints_num=1,
checkpoint_score_attr='min-mean_loss')
tune_register_lock.release()
analysis = tune.run(experiment,
scheduler=scheduler,
verbose=1,
raise_on_failed_trial=True,
# max_failures=-1,
# with_server=True,
# server_port=4321
)
os.remove(model_path)
logger.info("Training dashboard: {}".format(get_env_url(task_viz)))
all_trials = {t.logdir: t for t in analysis.trials}
best_logdir = analysis.get_best_logdir('mean_loss', 'min')
best_trial = all_trials[best_logdir]
# picked_metric = 'accuracy_0'
# metric_names = {s: '{} {}'.format(s, picked_metric) for s in
# ['Train', 'Val', 'Test']}
logger.info('Best trial: {}'.format(best_trial))
best_res = best_trial._checkpoint.last_result
best_point = (best_res['training_iteration'], best_res['mean_loss'])
y_keys = ['mean_loss' if use_ray_logging else 'Val nll', 'train_loss']
epoch_key = 'training_epoch'
it_key = 'training_iteration' if use_ray_logging else 'training_iterations'
plot_res_dataframe(analysis, training_params['name'], best_point,
task_viz, epoch_key, it_key, y_keys)
best_model = self.get_model(task_id=task.id)
best_model.load_state_dict(torch.load(best_trial._checkpoint.value))
t = best_trial._checkpoint.last_result['training_iteration']
else:
data_path = training_params.pop('data_path')
past_tasks = training_params.pop('past_tasks')
datasets = trainable._load_datasets(data_path,
training_params['loss_fn'],
past_tasks)
train_loader, eval_loaders = get_classic_dataloaders(datasets,
training_params.pop('batch_sizes'))
optim = self.optim_func(model.parameters())
t, accs, best_state_dict = train(model, train_loader, eval_loaders,
optimizer=optim, viz=task_viz,
n_it_max=n_it_max, **training_params)
logger.info('Finishing task ...')
t1 = time.time()
self.finish_task(task.datasets[0])
logger.info('done in {}s'.format(time.time() - t1))
return t
class FCNetSliceLocalizationTrainable(AbstractFCNetTrainable):
BENCHMARK_CLASS = FCNetSliceLocalizationBenchmark
class FCNetNavalPropulsionTrainable(AbstractFCNetTrainable):
BENCHMARK_CLASS = FCNetNavalPropulsionBenchmark
class FCNetParkinsonsTelemonitoringTrainable(AbstractFCNetTrainable):
BENCHMARK_CLASS = FCNetParkinsonsTelemonitoringBenchmark
if __name__ == "__main__":
"""Example with FCNetProteinStructure and Hyperband."""
download_fcnet()
hyperband = HyperBandScheduler(
time_attr="training_iteration",
metric="episode_reward_mean",
mode="max",
max_t=100)
exp = Experiment(
name="hyperband_fcnet_protein_test",
run=FCNetProteinStructureTrainable,
num_samples=20,
stop={"training_iteration": 1},
config=FCNetProteinStructureTrainable().get_configuration_space())
run(exp, scheduler=hyperband)
self.timestep = json.loads(f.read())["timestep"]
register_trainable("my_class", MyTrainableClass)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--smoke-test",
action="store_true",
help="Finish quickly for testing")
args, _ = parser.parse_known_args()
ray.init()
# Hyperband early stopping, configured with `episode_reward_mean` as the
# objective and `timesteps_total` as the time unit.
hyperband = HyperBandScheduler(time_attr="timesteps_total",
reward_attr="episode_reward_mean",
max_t=100)
exp = Experiment(
name="hyperband_test",
run="my_class",
repeat=20,
stop={"training_iteration": 1 if args.smoke_test else 99999},
config={
"width": lambda spec: 10 + int(90 * random.random()),
"height": lambda spec: int(100 * random.random())
})
run_experiments(exp, scheduler=hyperband)
register_trainable(
name, lambda augs, reporter: eval_tta(copy.deepcopy(copied_c),
augs, reporter))
algo = HyperOptSearch(space, metric=reward_attr, mode="max")
algo = ConcurrencyLimiter(algo,
max_concurrent=num_process_per_gpu *
torch.cuda.device_count())
experiment_spec = Experiment(
name,
run=name,
num_samples=args.num_search, # if r == args.repeat-1 else 25,
resources_per_trial={'gpu': 1. / num_process_per_gpu},
stop={'training_iteration': args.iter},
config={
'dataroot': args.dataroot,
'save_path': paths[cv_fold],
'cv_ratio_test': args.cv_ratio,
'cv_fold': cv_fold,
'num_op': args.num_op,
'num_policy': args.num_policy
},
local_dir=os.path.join(base_path, "ray_results"),
)
analysis = run(experiment_spec,
search_alg=algo,
scheduler=None,
verbose=0,
queue_trials=True,
resume=args.resume,
raise_on_failed_trial=False,
global_checkpoint_period=np.inf)
tune.grid_search(['grad_inp', 'grad_latent', 'no_reg', 'grad_mc'])
}
config = {}
for d in (_config, ukn_args):
config.update(d)
tune.register_trainable("train_dnn", train_with_dic)
ray.init()
exp = Experiment(
name=args.name,
run="train_dnn",
trial_resources={
"cpu": 6,
"gpu": 1
},
config=config,
local_dir="./ray_results",
repeat=args.repeat,
max_failures=args.max_failure,
stop={"training_iteration": 1 if args.smoke_test else 99999})
ahb = AsyncHyperBandScheduler(time_attr="timesteps_total",
reward_attr="mean_accuracy",
grace_period=40,
max_t=200)
# run_experiments(exp, verbose=args.verbose, scheduler=ahb)
run_experiments(exp, verbose=args.verbose)
for _ in range(args.repeat): # run multiple times.
for gr_id in range(gr_num):
for cv_id in range(cv_num):
final_policy_set = []
name = "search_%s_%s_group%d_%d_cv%d_ratio%.1f" % (C.get()['dataset'], C.get()['model']['type'], gr_id, gr_num, cv_id, args.cv_ratio)
print(name)
bo_log_file = open(os.path.join(base_path, name+"_bo_result.csv"), "w", newline="")
wr = csv.writer(bo_log_file)
wr.writerow(result_to_save)
register_trainable(name, lambda augs, reporter: eval_tta2(copy.deepcopy(copied_c), augs, reporter))
algo = HyperOptSearch(space, metric=reward_attr, mode="max")
algo = ConcurrencyLimiter(algo, max_concurrent=num_process_per_gpu*torch.cuda.device_count())
experiment_spec = Experiment(
name,
run=name,
num_samples=args.num_search,# if r == args.repeat-1 else 25,
resources_per_trial={'gpu': 1./num_process_per_gpu},
stop={'training_iteration': args.iter},
'config': {
'dataroot': args.dataroot, 'save_path': paths[cv_id],
'cv_ratio_test': args.cv_ratio, 'cv_id': cv_id,
'num_op': args.num_op, 'num_policy': args.num_policy,
"gr_assign": gr_assign, "gr_id": gr_id
},
local_dir=os.path.join(base_path, "ray_results"),
)
analysis = run(experiment_spec, search_alg=algo, scheduler=None, verbose=0, queue_trials=True, resume=args.resume, raise_on_failed_trial=False,
global_checkpoint_period=np.inf)
results = analysis.trials
print()
results = [x for x in results if x.last_result]
self.timestep = json.loads(f.read())["timestep"]
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--smoke-test",
action="store_true",
help="Finish quickly for testing")
args, _ = parser.parse_known_args()
ray.init()
# Hyperband early stopping, configured with `episode_reward_mean` as the
# objective and `training_iteration` as the time unit,
# which is automatically filled by Tune.
hyperband = HyperBandScheduler(time_attr="training_iteration",
metric="episode_reward_mean",
mode="max",
max_t=100)
exp = Experiment(
name="hyperband_test",
run=MyTrainableClass,
num_samples=20,
stop={"training_iteration": 1 if args.smoke_test else 99999},
config={
"width": sample_from(lambda spec: 10 + int(90 * random.random())),
"height": sample_from(lambda spec: int(100 * random.random()))
})
run(exp, scheduler=hyperband)
# Load dev set
dev_set = load_dev_set(args)
dev_set_id = pin_in_object_store(dev_set)
print("Loaded dev. pinned={}".format(True))
tune.register_trainable('train_sc', train.Trainer)
exp = Experiment(
name="speaker classification",
run='train_sc',
config={
"stop": {
'training_iteration': 500
},
# "lr": ray.tune.grid_search([1e-1, 1e-2]),
"lr": 1e-2,
"alpha": 0.9,
"train_set_id": train_set_id,
"dev_set_id": dev_set_id,
"nspeakers": nspeakers,
# "batch_size": ray.tune.grid_search([128, 64, 32]),
"batch_size": 32,
"data_parallel": args.data_parallel
},
trial_resources={
"cpu": 20,
"gpu": 1
},
)
tune.run_experiments(exp, with_server=True, server_port=4321)
def ray_train(cfg, pl_module_cls):
# We need Munch to hold tune functions. DictConfig can only hold static config.
cfg = munchconfig_to_tune_munchconfig(dictconfig_to_munch(cfg))
ray_config = {
'model': cfg.model,
'dataset': cfg.dataset,
'train': cfg.train,
'seed': cfg.seed,
'wandb': cfg.wandb,
'gpu': cfg.runner.gpu_per_trial != 0.0,
}
dataset_str = cfg.dataset._target_.split('.')[-1]
model_str = cfg.model._target_.split('.')[-1]
args_str = '_'
# If we're writing to dfs or efs already, no need to sync explicitly
# This needs to be a noop function, not just False. If False, ray won't restore failed spot instances
sync_to_driver = None if not cfg.runner.nfs else lambda source, target: None
experiment = Experiment(
name=f'{dataset_str}_{model_str}',
run=partial(pl_train_with_tune, pl_module_cls=pl_module_cls),
local_dir=cfg.runner.result_dir,
num_samples=cfg.runner.ntrials if not cfg.smoke_test else 1,
resources_per_trial={
'cpu': 1 + cfg.dataset.num_workers,
'gpu': cfg.runner.gpu_per_trial
},
# epochs + 1 because calling trainer.test(model) counts as one epoch
stop={
"training_iteration": 1 if cfg.smoke_test else cfg.train.epochs + 1
},
config=ray_config,
loggers=[WandbLogger],
keep_checkpoints_num=1, # Save disk space, just need 1 for recovery
# checkpoint_at_end=True,
# checkpoint_freq=1000, # Just to enable recovery with @max_failures
max_failures=-1,
sync_to_driver=sync_to_driver, # As of Ray 1.0.0, still need this here
)
if cfg.smoke_test or cfg.runner.local:
ray.init(num_gpus=torch.cuda.device_count())
else:
try:
ray.init(address='auto')
except:
try:
with open(project_root / 'ray_config/redis_address', 'r') as f:
address = f.read().strip()
with open(project_root / 'ray_config/redis_password',
'r') as f:
password = f.read().strip()
ray.init(address=address, _redis_password=password)
except:
ray.init(num_gpus=torch.cuda.device_count())
import warnings
warnings.warn("Running Ray with just one node")
if cfg.runner.hyperband:
scheduler = AsyncHyperBandScheduler(
metric='mean_accuracy',
mode='max',
max_t=cfg.train.epochs + 1,
grace_period=cfg.runner.grace_period)
else:
scheduler = None
trials = ray.tune.run(
experiment,
scheduler=scheduler,
# sync_config=SyncConfig(sync_to_driver=sync_to_driver),
raise_on_failed_trial=False,
queue_trials=True)
return trials
ray.init()
register_env(env_name, lambda config: CollectMineralsAndGas())
experiment_spec = Experiment(
experiment_name, #experiment name to log
"DQN", #model to be used
checkpoint_freq=100, #save model each 100th iteration
stop={
"training_iteration": 300, #stop model training after 300 iteration
},
config={
"env": env_name,
"framework": "tensorflow", # used framework
"buffer_size": 50000,
"timesteps_per_iteration": 1000,
"n_step": 3,
"prioritized_replay": True,
"grad_clip": None,
"num_workers": 1,
"num_gpus": 1, # use gpu
"exploration_config": {
"type": "EpsilonGreedy", # use EpsilonGreedy for exploration
"initial_epsilon": 1.0,
"final_epsilon": 0.02,
"epsilon_timesteps": 1000
}
},
)
run_experiments(experiment_spec)
with open(path, "w") as f:
f.write(json.dumps({"timestep": self.timestep}))
return path
def _restore(self, checkpoint_path):
with open(checkpoint_path) as f:
self.timestep = json.loads(f.read())["timestep"]
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--smoke-test",
action="store_true",
help="Finish quickly for testing")
args, _ = parser.parse_known_args()
ray.init()
exp = Experiment(
name="hyperband_test",
run=MyTrainableClass,
num_samples=1,
trial_name_creator=tune.function(trial_str_creator),
loggers=[TestLogger],
stop={"training_iteration": 1 if args.smoke_test else 99999},
config={
"width":
tune.sample_from(lambda spec: 10 + int(90 * random.random())),
"height": tune.sample_from(lambda spec: int(100 * random.random()))
})
trials = run_experiments(exp)
config["multiagent"] = {
'policy_graphs': policy_graph,
'policy_mapping_fn': tune.function(lambda agent_id: POLICY_ID),
'policies_to_train': [POLICY_ID]
}
env_name_list.append(env_name)
config_list.append(config)
# Register as rllib env
register_env(env_name, create_env)
exp_list = []
for config, env_name in zip(config_list, env_name_list):
exp_tag = {
"run": alg_run,
"env": env_name,
"config": {
**config
},
"checkpoint_freq": 10,
"max_failures": 999,
"stop": {
"training_iteration": 50
},
"num_samples": 6,
}
exp_list.append(Experiment.from_json(args.exp_tag, exp_tag))
trials = run_experiments(experiments=exp_list)
def run_experiment(args, parser):
# args.ray_object_store_memory = int(1e10)
args.ray_redis_max_memory = int(2e9)
if args.config_file:
with open(args.config_file) as f:
exp = yaml.load(f)
else:
raise Exception('No config file!')
exp = merge_dicts(exp, args.config)
log.info('Num workers: %d, num_envs_per_worker: %d',
exp['config']['num_workers'],
exp['config']['num_envs_per_worker'])
if args.cfg_mixins is not None:
for cfg_mixin_file in args.cfg_mixins:
with open(cfg_mixin_file, 'r') as f:
override_cfg = yaml.load(f)
log.info('Overriding parameters from %s: %r', cfg_mixin_file,
override_cfg)
exp = merge_dicts(exp, override_cfg)
if not exp.get("run"):
parser.error("the following arguments are required: --run")
if not exp.get("env") and not exp.get("config", {}).get("env"):
parser.error("the following arguments are required: --env")
if args.ray_num_nodes:
cluster = Cluster()
for _ in range(args.ray_num_nodes):
cluster.add_node(
num_cpus=args.ray_num_cpus or 1,
num_gpus=args.ray_num_gpus or 0,
object_store_memory=args.ray_object_store_memory,
redis_max_memory=args.ray_redis_max_memory,
)
ray.init(redis_address=cluster.redis_address,
local_mode=args.local_mode)
else:
ray.init(
redis_address=args.redis_address,
object_store_memory=args.ray_object_store_memory,
redis_max_memory=args.ray_redis_max_memory,
num_cpus=args.ray_num_cpus,
num_gpus=args.ray_num_gpus,
local_mode=args.local_mode,
)
exp = Experiment.from_json(args.experiment_name, exp)
exp.spec['checkpoint_freq'] = 20
if args.pbt:
exp.spec['checkpoint_freq'] = 3
exp.spec['checkpoint_at_end'] = True
# exp.spec['checkpoint_score_attr'] = 'episode_reward_mean'
exp.spec['keep_checkpoints_num'] = 5
if args.stop_seconds > 0:
exp.spec['stop'] = {'time_total_s': args.stop_seconds}
# if 'multiagent' in exp.spec['config']:
# # noinspection PyProtectedMember
# make_env = ray.tune.registry._global_registry.get(ENV_CREATOR, exp.spec['config']['env'])
# temp_env = make_env(None)
# obs_space, action_space = temp_env.observation_space, temp_env.action_space
# temp_env.close()
# del temp_env
#
# policies = dict(
# main=(None, obs_space, action_space, {}),
# dummy=(None, obs_space, action_space, {}),
# )
#
# exp.spec['config']['multiagent'] = {
# 'policies': policies,
# 'policy_mapping_fn': function(lambda agent_id: 'main'),
# 'policies_to_train': ['main'],
# }
#
# if args.dbg:
# exp.spec['config']['num_workers'] = 1
# exp.spec['config']['num_gpus'] = 1
# exp.spec['config']['num_envs_per_worker'] = 1
#
# if 'callbacks' not in exp.spec['config']:
# exp.spec['config']['callbacks'] = {}
#
# fps_helper = FpsHelper()
#
# def on_train_result(info):
# if 'APPO' in exp.spec['run']:
# samples = info['result']['info']['num_steps_sampled']
# else:
# samples = info['trainer'].optimizer.num_steps_trained
#
# fps_helper.record(samples)
# fps = fps_helper.get_fps()
# info['result']['custom_metrics']['fps'] = fps
#
# # remove this as currently
# skip_frames = exp.spec['config']['env_config']['skip_frames']
# info['result']['custom_metrics']['fps_frameskip'] = fps * skip_frames
#
# exp.spec['config']['callbacks']['on_train_result'] = function(on_train_result)
#
# def on_episode_end(info):
# episode = info['episode']
# stats = {
# 'DEATHCOUNT': 0,
# 'FRAGCOUNT': 0,
# 'HITCOUNT': 0,
# 'DAMAGECOUNT': 0,
# 'KDR': 0,
# 'FINAL_PLACE': 0,
# 'LEADER_GAP': 0,
# 'PLAYER_COUNT': 0,
# 'BOT_DIFFICULTY': 0,
# }
#
# # noinspection PyProtectedMember
# agent_to_last_info = episode._agent_to_last_info
# for agent in agent_to_last_info.keys():
# agent_info = agent_to_last_info[agent]
# for stats_key in stats.keys():
# stats[stats_key] += agent_info.get(stats_key, 0.0)
#
# for stats_key in stats.keys():
# stats[stats_key] /= len(agent_to_last_info.keys())
#
# episode.custom_metrics.update(stats)
#
# exp.spec['config']['callbacks']['on_episode_end'] = function(on_episode_end)
extra_kwargs = {}
if args.pbt:
extra_kwargs['reuse_actors'] = False
run(exp,
name=args.experiment_name,
scheduler=make_custom_scheduler(args),
resume=args.resume,
queue_trials=args.queue_trials,
**extra_kwargs)
def main(args):
ray.init(num_cpus=args.rayNumCpu, num_gpus=args.rayNumGpu)
t_loader, v_loader = get_loaders(train_batch_size=16,
num_workers=1,
data_folder=args.dataFolder,
cuda_available=torch.cuda.is_available())
pinned_obj_dict['data_loader_train'] = pin_in_object_store(t_loader)
pinned_obj_dict['data_loader_valid'] = pin_in_object_store(v_loader)
pinned_obj_dict['args'] = pin_in_object_store(args)
trainable_name = 'hyp_search_train'
register_trainable(trainable_name, TrainerClass)
reward_attr = "acc"
#############################
# Define hyperband scheduler
#############################
hpb = AsyncHyperBandScheduler(time_attr="training_iteration",
reward_attr=reward_attr,
grace_period=40,
max_t=300)
##############################
# Define hyperopt search algo
##############################
space = {
'lr': hp.uniform('lr', 0.001, 0.1),
'optimizer':
hp.choice("optimizer",
['SGD', 'Adam'
]), #, 'Adadelta']), # Adadelta gets the worst results
'batch_accumulation': hp.choice("batch_accumulation", [4, 8, 16])
}
hos = HyperOptSearch(space, max_concurrent=4, reward_attr=reward_attr)
#####################
# Define experiments
#####################
exp_name = "resnet152_hyp_search_hyperband_hyperopt_{}".format(
time.strftime("%Y-%m-%d_%H.%M.%S"))
exp = Experiment(
name=exp_name,
run=trainable_name,
num_samples=args.numSamples, # the number of experiments
resources_per_trial={
"cpu": args.trialNumCpu,
"gpu": args.trialNumGpu
},
checkpoint_freq=args.checkpointFreq,
checkpoint_at_end=True,
stop={
reward_attr: 0.95,
"training_iteration": args.
trainingIteration, # how many times a specific config will be trained
})
##################
# Run tensorboard
##################
if args.runTensorBoard:
thread = threading.Thread(target=launch_tensorboard, args=[exp_name])
thread.start()
launch_tensorboard(exp_name)
##################
# Run experiments
##################
run_experiments(exp, search_alg=hos, scheduler=hpb, verbose=False)
