def __init__(self, sensors, target, cmdargs):
try:
cntk.try_set_default_device(cntk.device.gpu(1))
except:
cntk.try_set_default_device(cntk.device.cpu())
self._sensors = sensors
self._cmdargs = cmdargs
self._target = target
self._radar = self._sensors['radar']
self._radar_data = None
self._dynamic_radar_data = None
self._gps = self._sensors['gps']
self._normal_speed = float(cmdargs.robot_speed)
self.debug_info = {}
self._stepNum = 0
self._need_q_start = True
self._o_space = gs.Box(low=0, high=100, shape=(2, 360))
self._a_space = gs.Discrete(8)
self._qlearner = cntk_deeprl.agent.qlearning.QLearning(
'', self._o_space, self._a_space)
self._get_observation()
self._last_badness = self._get_badness()
self._ravg = [0] * 50
self._epsilon = 0.0
def test_use_default_device():
# this will release any previous held device locks
C.try_set_default_device(C.cpu(), False)
q = Queue()
p = Process(target=_use_default_device, args=(q, ))
p.start()
p.join()
assert p.exitcode == 0
assert q.get()
def test_set_cpu_as_default_device():
device = C.cpu()
assert not is_locked(device)
assert not C.try_set_default_device(device, True)
assert not is_locked(device)
assert C.try_set_default_device(device)
assert C.try_set_default_device(device, False)
assert not is_locked(device)
assert device == C.use_default_device()
def test_set_excluded_devices():
if len(C.device.all_devices()) == 1:
return;
assert C.try_set_default_device(C.cpu(), False)
assert C.try_set_default_device(C.gpu(0), False)
C.set_excluded_devices([C.cpu()])
assert not C.try_set_default_device(C.cpu(), False)
C.set_excluded_devices([])
assert C.try_set_default_device(C.cpu(), False)
def test_use_default_device():
# this will release any previous held device locks
C.try_set_default_device(C.cpu(), False)
q = Queue()
p = Process(target=_use_default_device, args=(q,))
p.start()
p.join()
assert p.exitcode == 0
assert q.get()
def test_set_cpu_as_default_device():
device = C.cpu()
assert not is_locked(device)
assert not C.try_set_default_device(device, True)
assert not is_locked(device)
assert C.try_set_default_device(device)
assert C.try_set_default_device(device, False)
assert not is_locked(device)
assert device == C.use_default_device()
def test_set_excluded_devices():
if len(C.device.all_devices()) == 1:
return
assert C.try_set_default_device(C.cpu(), False)
assert C.try_set_default_device(C.gpu(0), False)
C.set_excluded_devices([C.cpu()])
assert not C.try_set_default_device(C.cpu(), False)
C.set_excluded_devices([])
assert C.try_set_default_device(C.cpu(), False)
def train(nonlinearity,
num_hidden_layers,
device_id,
minibatch_size=10,
num_samples=1000):
from cntk.cntk_py import always_allow_setting_default_device
always_allow_setting_default_device()
C.try_set_default_device(cntk_device(device_id))
np.random.seed(0)
learning_rate = 0.5
lr_schedule = C.learning_rate_schedule(learning_rate, C.UnitType.minibatch)
hidden_layers_dim = 50
inp = C.input_variable((input_dim), np.float32)
label = C.input_variable((num_output_classes), np.float32)
z = fully_connected_classifier_net(inp, num_output_classes,
hidden_layers_dim, num_hidden_layers,
nonlinearity)
loss = C.cross_entropy_with_softmax(z, label)
eval_error = C.classification_error(z, label)
learner = C.sgd(z.parameters, lr_schedule)
trainer = C.Trainer(z, (loss, eval_error), [learner])
num_minibatches_to_train = int(num_samples / minibatch_size)
training_progress_output_freq = 20
losses = []
errors = []
for i in range(num_minibatches_to_train):
features, labels = generate_random_data_sample(minibatch_size,
input_dim,
num_output_classes)
# Specify the input variables mapping in the model to actual minibatch
# data for training.
trainer.train_minibatch({
inp: features,
label: labels
},
device=cntk_device(device_id))
batchsize, loss, error = print_training_progress(
trainer, i, training_progress_output_freq)
if not (loss == "NA" or error == "NA"):
losses.append(loss)
errors.append(error)
return losses, errors
def set_device(device):
if device == 'CPU':
C.try_set_default_device(C.device.cpu())
elif device == 'GPU' or device == 'CUDA':
try:
C.try_set_default_device(C.device.gpu(0))
except:
C.use_default_device()
else:
C.use_default_device()
def __init__(self, model_fn, gpuid):
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = str(gpuid)
import cntk
cntk.try_set_default_device(cntk.gpu(0))
cntk.use_default_device()
self.model_fn = model_fn
self.model = cntk.load_model(self.model_fn)
def set_device(device):
if device == 'CPU':
C.try_set_default_device(C.device.cpu())
elif device == 'GPU' or device == 'CUDA':
try:
C.try_set_default_device(C.device.gpu(0))
except:
C.use_default_device()
else:
C.use_default_device()
def __init__(self, sensors, target, cmdargs):
self._sensors = sensors
self._cmdargs = cmdargs
self._target = target
self._config = DeepQIRLAlgorithm.default_config
if os.path.isfile('local_configs/deep_q_irl_config.json'):
with open('local_configs/deep_q_irl_config.json', 'r') as f:
# Write keys in a loop to keep any defaults
# that are not specified in the config file
tmp_config = json.load(f)
for key in tmp_config:
self._config[key] = tmp_config[key]
try:
cntk.try_set_default_device(cntk.device.gpu(
self._config['gpu_id']))
except:
cntk.try_set_default_device(cntk.device.cpu())
#self._radar = self._sensors['radar'];
#self._radar_data = None
#self._dynamic_radar_data = None
#self._gps = self._sensors['gps'];
self._normal_speed = float(cmdargs.robot_speed)
self.debug_info = {}
self._stepNum = 0
self._mdp = self._sensors['mdp']
self._features = self._get_features()
# needs at least 7 features for qlearning to work
self._o_space_shape = (1, self._features[random.sample(
self._mdp.states(), 1)[0]].size)
self._o_space = gs.Box(low=0, high=1, shape=self._o_space_shape)
self._a_space = gs.Discrete(4)
#self.learner = cntk_deeprl.agent.policy_gradient.ActorCritic # actor critic trainer
self.learner = cntk_deeprl.agent.qlearning.QLearning # qlearning trainer
if self.learner == cntk_deeprl.agent.qlearning.QLearning:
self._qlearner = self.learner('local_configs/deepq_1.ini',
self._o_space, self._a_space)
elif self.learner == cntk_deeprl.agent.policy_gradient.ActorCritic:
self._qlearner = self.learner(
'local_configs/polify_gradient_1.ini', self._o_space,
self._a_space)
else:
raise TypeError("Invalid type for _qlearner")
self.maxIter = self._config['max_iters']
self._reward, self._reward_map = self.get_reward()
self._policy = self.get_policy()
def mpi_worker(working_dir, mb_source, gpu):
comm_rank = cntk.distributed.Communicator.rank()
np.random.seed(comm_rank)
if gpu:
# test with only one GPU
cntk.try_set_default_device(cntk.gpu(0))
frame_mode = (mb_source == "ctf_frame")
bmuf = SimpleBMUFTrainer(frame_mode)
for i, data in enumerate(get_minibatch(bmuf, working_dir, mb_source)):
bmuf.trainer.train_minibatch(data)
if i % 50 == 0:
bmuf.trainer.summarize_training_progress()
def mpi_worker(working_dir, mb_source, gpu):
comm_rank = cntk.distributed.Communicator.rank()
np.random.seed(comm_rank)
if gpu:
# test with only one GPU
cntk.try_set_default_device(cntk.gpu(0))
frame_mode = (mb_source == "ctf_frame")
bmuf = SimpleBMUFTrainer(frame_mode)
for i, data in enumerate(get_minibatch(bmuf, working_dir, mb_source)):
bmuf.trainer.train_minibatch(data)
if i % 50 == 0:
bmuf.trainer.summarize_training_progress()
def train(nonlinearity, num_hidden_layers, device_id,
minibatch_size=10, num_samples=1000):
from cntk.cntk_py import always_allow_setting_default_device
always_allow_setting_default_device()
C.try_set_default_device(cntk_device(device_id))
np.random.seed(0)
learning_rate = 0.5
lr_schedule = C.learning_rate_schedule(learning_rate, C.UnitType.minibatch)
hidden_layers_dim = 50
inp = C.input_variable((input_dim), np.float32)
label = C.input_variable((num_output_classes), np.float32)
z = fully_connected_classifier_net(inp, num_output_classes, hidden_layers_dim,
num_hidden_layers, nonlinearity)
loss = C.cross_entropy_with_softmax(z, label)
eval_error = C.classification_error(z, label)
learner = C.sgd(z.parameters, lr_schedule)
trainer = C.Trainer(z, (loss, eval_error), [learner])
num_minibatches_to_train = int(num_samples / minibatch_size)
training_progress_output_freq = 20
losses = []
errors = []
for i in range(num_minibatches_to_train):
features, labels = generate_random_data_sample(minibatch_size,
input_dim,
num_output_classes)
# Specify the input variables mapping in the model to actual minibatch
# data for training.
trainer.train_minibatch({inp: features, label: labels},
device=cntk_device(device_id))
batchsize, loss, error = print_training_progress(trainer, i,
training_progress_output_freq)
if not (loss == "NA" or error == "NA"):
losses.append(loss)
errors.append(error)
return losses, errors
def test_set_gpu_as_default_device():
if len(C.device.all_devices()) == 1:
return
# this will release any previous held device locks
C.try_set_default_device(C.cpu(), False)
for i in range(len(C.device.all_devices()) - 1):
device = C.gpu(i)
assert C.try_set_default_device(device, False)
assert not is_locked(device)
assert device == C.use_default_device()
if not device.is_locked():
assert not is_locked(device)
assert C.try_set_default_device(device, True)
assert device == C.use_default_device()
assert is_locked(device)
def test_set_gpu_as_default_device():
if len(C.device.all_devices()) == 1:
return;
# this will release any previous held device locks
C.try_set_default_device(C.cpu(), False)
for i in range(len(C.device.all_devices()) - 1):
device = C.gpu(i)
assert C.try_set_default_device(device, False)
assert not is_locked(device)
assert device == C.use_default_device()
if not device.is_locked():
assert not is_locked(device)
assert C.try_set_default_device(device, True)
assert device == C.use_default_device()
assert is_locked(device)
def data_parallel_sgd_on_sparse(outdir, gpu):
if gpu:
# test with only one GPU
C.try_set_default_device(C.gpu(0))
else:
# CPU sparse aggregation is not implemented, so turn it off
# note we only need to explicitly do this when running with CPU device on a GPU build
# For CPU build it's disabled by default
C.cntk_py.use_sparse_gradient_aggregation_in_data_parallel_sgd(False)
trainer = SimpleTrainer()
np.random.seed(C.Communicator.rank())
indices = (np.random.random(
(trainer.batch_size, )) * (trainer.input_dim - 1)).astype(np.int)
trainer.train_minibatch(indices)
np.save(os.path.join(outdir, str(C.Communicator.rank())), trainer.p.value)
def train(self,
X1_train,
X2_train,
Y_train,
X1_val,
X2_val,
Y_val,
batch_size=128,
epochs=10):
assert X1_train.shape == X2_train.shape
assert len(X1_train) == len(Y_train)
assert X1_val.shape == X2_val.shape
assert len(X1_val) == len(Y_val)
if cntk.try_set_default_device(cntk.gpu(0)):
print("GPU Training enabled")
else:
print("CPU Training :(")
input_shape = (X1_train.shape[1], X1_train.shape[2], X1_train.shape[3])
self.siamese_net = self.build_network(input_shape)
lr_per_minibatch = cntk.learning_rate_schedule(0.1,
cntk.UnitType.minibatch)
pp = cntk.logging.ProgressPrinter()
out = input_variable((1))
loss = cntk.binary_cross_entropy(self.out, out)
learner = cntk.adam(self.out.parameters,
lr=lr_per_minibatch,
momentum=0.9)
trainer = cntk.Trainer(self.out, (loss, loss), [learner], [pp])
cntk.logging.log_number_of_parameters(self.out)
for epoch in range(epochs):
# perm = np.random.permutation(len(Y_train))
for i in range(0, len(Y_train), batch_size):
max_n = min(i + batch_size, len(Y_train))
# x1 = X1_train[perm[i:max_n]]
# x2 = X2_train[perm[i:max_n]]
# y = Y_train[perm[i:max_n]]
x1 = X1_train[i:max_n]
x2 = X2_train[i:max_n]
y = Y_train[i:max_n]
trainer.train_minibatch({
self.left_input: x1,
self.right_input: x2,
out: y
})
pp.update_with_trainer(trainer, with_metric=True)
print('.')
pp.epoch_summary(with_metric=False)
def mpi_worker_multi_learner(working_dir, checkpoint_dir, mb_source, gpu):
comm_rank = cntk.distributed.Communicator.rank()
np.random.seed(comm_rank)
if gpu:
# test with only one GPU
cntk.try_set_default_device(cntk.gpu(0))
frame_mode = (mb_source == "ctf_frame")
bmuf = MultiLearnerMUFTrainer(frame_mode)
checkpoint_performed = False
for i, data in enumerate(get_minibatch(bmuf, working_dir, mb_source)):
bmuf.trainer.train_minibatch(data)
if i % 50 == 0:
bmuf.trainer.summarize_training_progress()
if not checkpoint_performed and not checkpoint_dir == "":
bmuf.trainer.save_checkpoint(checkpoint_dir)
bmuf.trainer.restore_from_checkpoint(checkpoint_dir)
checkpoint_performed = True
def distributed_worker(outdir, gpu, mode, config):
if gpu:
# test with only one GPU
C.try_set_default_device(C.gpu(0))
else:
# CPU sparse aggregation is not implemented, so turn it off
# note we only need to explicitly do this when running with CPU device on a GPU build
# For CPU build it's disabled by default
C.cntk_py.use_sparse_gradient_aggregation_in_data_parallel_sgd(False)
trainer = SimpleTrainer(mode, config)
for batch in range(NUM_BATCHES):
set_np_random_seed(C.Communicator.rank(), batch)
indices = (np.random.random((BATCH_SIZE_PER_WORKER,))*(trainer.input_dim-1)).astype(np.int)
trainer.train_minibatch(indices)
checkpoint_file = os.path.join(outdir, mode+str(batch))
trainer.trainer.save_checkpoint(checkpoint_file)
trainer.trainer.restore_from_checkpoint(checkpoint_file)
# save a checkpoint to force sync after last minibatch
trainer.trainer.save_checkpoint(os.path.join(outdir, mode+'_last'))
np.save(os.path.join(outdir, mode+str(C.Communicator.rank())), trainer.p.value)
def distributed_worker(outdir, gpu, mode, config):
if gpu:
# test with only one GPU
C.try_set_default_device(C.gpu(0))
else:
# CPU sparse aggregation is not implemented, so turn it off
# note we only need to explicitly do this when running with CPU device on a GPU build
# For CPU build it's disabled by default
C.cntk_py.use_sparse_gradient_aggregation_in_data_parallel_sgd(False)
trainer = SimpleTrainer(mode, config)
for batch in range(NUM_BATCHES):
set_np_random_seed(C.Communicator.rank(), batch)
indices = (np.random.random((BATCH_SIZE_PER_WORKER, )) *
(trainer.input_dim - 1)).astype(np.int)
trainer.train_minibatch(indices)
checkpoint_file = os.path.join(outdir, mode + str(batch))
trainer.trainer.save_checkpoint(checkpoint_file)
trainer.trainer.restore_from_checkpoint(checkpoint_file)
# save a checkpoint to force sync after last minibatch
trainer.trainer.save_checkpoint(os.path.join(outdir, mode + '_last'))
np.save(os.path.join(outdir, mode + str(C.Communicator.rank())),
trainer.p.value)
from models import feature_predicter_GRP
### User inputs ###
network_list = ['action+','action','action_m','feature','GRP','GRP+','GRP_feature']
parser = argparse.ArgumentParser()
parser.add_argument('model_type', type=str, action='store', choices=network_list, help='The type of model to use')
parser.add_argument('--data-file', dest='data_file', type=str, action='store', default='data/training_human_data.json')
parser.add_argument('--gpu-id', dest='gpu_id', type=int, default=-2, help="""The GPU to use. -1 for CPU, -2 for default.""");
cmdargs = parser.parse_args(sys.argv[1:])
# Set device to run on
if cmdargs.gpu_id >= 0:
C.try_set_default_device(C.gpu(cmdargs.gpu_id))
elif cmdargs.gpu_id == -1:
C.try_set_default_device(C.cpu())
network = cmdargs.model_type
data_file = cmdargs.data_file
######################
### DATA INPUT ###
#######################
target_dist = 30
target_var = 50000
#######################
import cntk
import keras
from keras.models import Sequential
from keras.layers import Dense, Activation, Dropout, Flatten, Conv2D, MaxPooling2D
from keras.optimizers import SGD
from keras import backend as K
from scipy.io import wavfile
import numpy as np
from random import shuffle
# ## FRAMEWORK
# In[2]:
cntk.try_set_default_device(cntk.all_devices()[0])
# ## DATA PREPARATION
# In[3]:
sec = 3
img_rows = 28
img_cols = 28
input_shape = (img_rows, img_cols, 1)
num_classes = 2
root, _dirs, files = next(
os.walk(os.path.join(os.getcwd(), os.path.join("dataset", "train"))))
train_paths = [os.path.join(root, file) for file in files]
from cntk.layers import default_options, Convolution, BatchNormalization, MaxPooling, Dense, For, Sequential, combine, \
placeholder
from cntk.logging import ProgressPrinter, os, log_number_of_parameters
from datetime import datetime
from sklearn.metrics import fbeta_score, accuracy_score
import matplotlib.pyplot as plt
from Helpers import helpers
import xml.etree.cElementTree as et
import xml.dom.minidom
# from azureml.core.run import Run
# # get the Azure ML run object
# run = Run.get_submitted_run()
success = try_set_default_device(gpu(0))
print("Using GPU: {}".format(success))
def create_map_files_from_folders(data_dir, split=0.8, number_of_samples=800):
with open(os.path.join(data_dir, 'images.txt'), mode='w') as f:
path, classes, file = list(os.walk(data_dir))[0]
for cls in classes:
for file in [
x for x in glob.glob(os.path.join(path, cls, '*'))
if not x.endswith('txt')
][:number_of_samples]:
if file.endswith(('png', 'jpg', 'jpeg')):
f.write("{}\t{}\n".format(os.path.abspath(file),
classes.index(cls)))
pp = pp[:g_len]
else:
pad = np.zeros((g_len - p_len, voc_len))
pp = np.vstack((pp, pad))
labels = np.argmax(gg, axis=1).flatten()
pred = np.argmax(pp, axis=1).flatten()
# print('[FUNCTION] report: labels:{}, pred:{}'.format(labels, pred))
pres = len(labels[labels == pred]) / g_len
avg_pres += pres
# print('[FUNCTION] report: precision:{}'.format(pres))
# print('[FUNCTION] report: average precision:{}'.format(avg_pres/len(gts)))
return avg_pres / len(gts)
C.cntk_py.set_gpumemory_allocation_trace_level(0)
C.logging.set_trace_level(C.logging.TraceLevel.Error)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--gpu', help='specify gpu id', default=0, type=int)
parser.add_argument('--tensorboard',
help='tensorboard directory',
type=str,
default='.')
args = parser.parse_args()
C.try_set_default_device(C.gpu(args.gpu))
s2smodel = create_model()
train(myConfig, s2smodel, args, True)
def mem_leak_check(nonlinearity, num_hidden_layers, device_id,
minibatch_size=1, num_samples=10000):
from cntk.cntk_py import always_allow_setting_default_device
always_allow_setting_default_device()
C.try_set_default_device(cntk_device(device_id))
np.random.seed(0)
learning_rate = 0.5
lr_schedule = C.learning_rate_schedule(learning_rate, C.UnitType.minibatch)
hidden_layers_dim = 50
inp = C.input_variable((input_dim), np.float32)
label = C.input_variable((num_output_classes), np.float32)
z = fully_connected_classifier_net(inp, num_output_classes, hidden_layers_dim,
num_hidden_layers, nonlinearity)
loss = C.cross_entropy_with_softmax(z, label)
eval_error = C.classification_error(z, label)
learner = C.sgd(z.parameters, lr_schedule)
trainer = C.Trainer(z, (loss, eval_error), [learner])
num_minibatches_to_train = int(num_samples / minibatch_size)
mem = np.zeros(num_minibatches_to_train)
features, labels = generate_random_data_sample(minibatch_size,
input_dim,
num_output_classes)
# Set a maximum fraction of iterations, in which the memory is allowed to
# increase. Most likely these will be the first training runs.
# Long-term this test needs to be run in a separate process over a longer
# period of time.
MEM_INCREASE_FRACTION_TOLERANCE = 0.01
# Set a maximum allowed memory increase. This tolerance should not be
# exceeded when run as a standalone process (simply run this file with the
# Python executable).
MEM_INCREASE_TOLERANCE = 10*1024
dev = cntk_device(device_id)
i = 0
proc = os_process()
while i < num_minibatches_to_train:
mem[i] = mem_used(proc)
# Specify the input variables mapping in the model to actual minibatch
# data for training.
trainer.train_minibatch({inp: features, label: labels},
device=dev)
i += 1
mem_deltas = np.diff(mem)
iterations_with_mem_increase = (mem_deltas > 0).sum()
mem_inc_fraction = iterations_with_mem_increase/num_minibatches_to_train
mem_diff = mem[-1] - mem[10]
if mem_inc_fraction > MEM_INCREASE_FRACTION_TOLERANCE and \
mem_diff > MEM_INCREASE_TOLERANCE:
# For the rough leak estimation we take the memory footprint after the
# dust of the first train_minibatch runs has settled.
mem_changes = mem_deltas[mem_deltas != 0]
raise ValueError('Potential memory leak of ~ %i KB (%i%% of MBs '
'increased memory usage) detected with %s:\n%s' %
(int(mem_diff/1024), int(mem_inc_fraction*100),
nonlinearity, mem_changes))
#!/usr/local/bin/python
try:
import cntk
except:
print("You do not have CNTK")
exit()
print(cntk.device.all_devices())
if cntk.try_set_default_device(cntk.device.gpu(0)):
print("You have GPU Support in CNTK")
else:
print("You DO NOT have GPU Support in CNTK")
import cntk as C
import numpy as np
from io_funcs.binary_io import BinaryIOCollection
from model_lf0_weight import SRU_MULTI_SPEAKER
gpu_descriptor = C.gpu(3)
C.try_set_default_device(gpu_descriptor)
proj = SRU_MULTI_SPEAKER(87, 187, 0.001, 0.5)
trainer = proj.trainer
trainer.restore_from_checkpoint('net/16k/trainer_' + str(41))
output = trainer.model
index = C.Constant(value=np.asarray([0, 1, 0]).astype(np.float32))
input = C.sequence.input_variable(shape=87)
out = output(input, index)
out.save('extracted_model/16k/model_emo')
def __init__(self, sensors, target, cmdargs):
self._sensors = sensors
self._cmdargs = cmdargs
self._target = target
self._config = DeepQIRLAlgorithm.default_config
if os.path.isfile('local_configs/deep_q_irl_config.json'):
with open('local_configs/deep_q_irl_config.json', 'r') as f:
# Write keys in a loop to keep any defaults
# that are not specified in the config file
tmp_config = json.load(f)
for key in tmp_config:
self._config[key] = tmp_config[key]
try:
cntk.try_set_default_device(cntk.device.gpu(
self._config['gpu_id']))
except:
cntk.try_set_default_device(cntk.device.cpu())
#self._radar = self._sensors['radar'];
#self._radar_data = None
#self._dynamic_radar_data = None
#self._gps = self._sensors['gps'];
self._normal_speed = float(cmdargs.robot_speed)
self.debug_info = {}
##########################
# ### IRL parameters ### #
self._max_steps = 200
#200
self._max_loops = 300
#300
self._lr = 0.3
self._decay = 0.9
self._IRLmaxIter = 1
# ### IRL parameters ### #
##########################
self._stepNum = 0
self._mdp = self._sensors['mdp']
self._features_DQN = self._get_features_DQN()
self._features_IRL = self._get_features_IRL()
self._o_space_shape = (1, self._features_DQN[random.sample(
self._mdp.states(), 1)[0]].size)
self._o_space = gs.Box(low=0, high=1, shape=self._o_space_shape)
self._a_space = gs.Discrete(4)
#self.learner = cntk_deeprl.agent.policy_gradient.ActorCritic # actor critic trainer
self.learner = cntk_deeprl.agent.qlearning.QLearning # qlearning trainer
if self.learner == cntk_deeprl.agent.qlearning.QLearning:
self._qlearner = self.learner('local_configs/deepq_1.ini',
self._o_space, self._a_space)
elif self.learner == cntk_deeprl.agent.policy_gradient.ActorCritic:
self._qlearner = self.learner(
'local_configs/polify_gradient_1.ini', self._o_space,
self._a_space)
else:
raise TypeError("Invalid type for _qlearner")
self.maxIter = self._config['max_iters']
self._valueIteration = ValueIterationNavigationAlgorithm(
self._sensors, self._target, self._cmdargs)
self._demonstrations = self._add_demonstration_loop(
self._max_steps, self._max_loops)
self._mdp.local = True
# the following action set assumes that all
# states have the same action set
actions_set = self._mdp.actions(self._mdp._goal_state)
self._actions = list([action for action in actions_set])
self.IRL_network = IRL_network(
self._features_IRL[:, 0].shape,
self._lr,
hidden_layers=[50, 40, 40, 10]) # [50,50,50,20,20,10])
#self.IRL_network = IRL_network(self._features_IRL[:,0].shape,self._lr, hidden_layers = [1000,800,600,400,200,100,10])
self._qlearner.set_as_best_model()
self.main_loop()
def main():
############## Hyperparameters ##############
env_name = "LunarLander-v2"
# creating environment
env = gym.make(env_name)
state_dim = env.observation_space.shape[0]
action_dim = 4
render = False # True #
solved_reward = 230 # stop training if avg_reward > solved_reward
log_interval = 20 # print avg reward in the interval
max_episodes = 50000 # max training episodes
max_timesteps = 300 # max timesteps in one episode
n_latent_var = 64 # number of variables in hidden layer
update_timestep = 2000 # update policy every n timesteps
lr = 0.002 # 1e-3
betas = (0.9, 0.999)
gamma = 0.99 # discount factor
K_epochs = 4 # update policy for K epochs
eps_clip = 0.2 # clip parameter for PPO
random_seed = None
#############################################
C.try_set_default_device(C.gpu(0))
if random_seed:
env.seed(random_seed)
memory = Memory()
ppo = PPO(state_dim, action_dim, n_latent_var, lr, betas, gamma, K_epochs,
eps_clip)
print(lr, betas)
# logging variables
running_reward = 0
avg_length = 0
timestep = 0
# training loop
for i_episode in range(1, max_episodes + 1):
state = env.reset()
for t in range(max_timesteps):
timestep += 1
# Running policy_old:
action = ppo.policy_old.act(state, memory)
state, reward, done, _ = env.step(action)
# Saving reward and is_terminal:
memory.rewards.append(reward)
memory.is_terminals.append(done)
# update if its time
if timestep % update_timestep == 0:
ppo.update(memory)
memory.clear_memory()
timestep = 0
running_reward += reward
if render:
env.render()
if done:
break
avg_length += t
_writer.add_scalar('Episode reward', running_reward, i_episode)
# stop training if avg_reward > solved_reward
if running_reward > (log_interval * solved_reward):
print("########## Solved! ##########")
# ppo.policy.action_layer.save('action_layer.model')
# ppo.policy.value_layer.save('value_layer.model')
break
# logging
if i_episode % log_interval == 0:
avg_length = int(avg_length / log_interval)
running_reward = int((running_reward / log_interval))
print('Episode {} \t avg length: {} \t reward: {}'.format(
i_episode, avg_length, running_reward))
running_reward = 0
avg_length = 0
def mem_leak_check(nonlinearity, num_hidden_layers, device_id,
minibatch_size=1, num_samples=10000):
from cntk.cntk_py import always_allow_setting_default_device
always_allow_setting_default_device()
C.try_set_default_device(cntk_device(device_id))
np.random.seed(0)
learning_rate = 0.5
lr_schedule = C.learning_rate_schedule(learning_rate)
hidden_layers_dim = 50
inp = C.input_variable((input_dim), np.float32)
label = C.input_variable((num_output_classes), np.float32)
z = fully_connected_classifier_net(inp, num_output_classes, hidden_layers_dim,
num_hidden_layers, nonlinearity)
loss = C.cross_entropy_with_softmax(z, label)
eval_error = C.classification_error(z, label)
learner = C.sgd(z.parameters, lr_schedule, minibatch_size = 0)
trainer = C.Trainer(z, (loss, eval_error), [learner])
num_minibatches_to_train = int(num_samples / minibatch_size)
mem = np.zeros(num_minibatches_to_train)
features, labels = generate_random_data_sample(minibatch_size,
input_dim,
num_output_classes)
# Set a maximum fraction of iterations, in which the memory is allowed to
# increase. Most likely these will be the first training runs.
# Long-term this test needs to be run in a separate process over a longer
# period of time.
MEM_INCREASE_FRACTION_TOLERANCE = 0.01
# Set a maximum allowed memory increase. This tolerance should not be
# exceeded when run as a standalone process (simply run this file with the
# Python executable).
MEM_INCREASE_TOLERANCE = 10*1024
dev = cntk_device(device_id)
i = 0
proc = os_process()
while i < num_minibatches_to_train:
mem[i] = mem_used(proc)
# Specify the input variables mapping in the model to actual minibatch
# data for training.
trainer.train_minibatch({inp: features, label: labels},
device=dev)
i += 1
mem_deltas = np.diff(mem)
iterations_with_mem_increase = (mem_deltas > 0).sum()
mem_inc_fraction = iterations_with_mem_increase/num_minibatches_to_train
mem_diff = mem[-1] - mem[10]
if mem_inc_fraction > MEM_INCREASE_FRACTION_TOLERANCE and \
mem_diff > MEM_INCREASE_TOLERANCE:
# For the rough leak estimation we take the memory footprint after the
# dust of the first train_minibatch runs has settled.
mem_changes = mem_deltas[mem_deltas != 0]
raise ValueError('Potential memory leak of ~ %i KB (%i%% of MBs '
'increased memory usage) detected with %s:\n%s' %
(int(mem_diff/1024), int(mem_inc_fraction*100),
nonlinearity, mem_changes))
def train(data_path,
model_path,
log_file,
config_file,
restore=False,
profiling=False,
gen_heartbeat=False):
training_config = importlib.import_module(config_file).training_config
# config for using multi GPUs
if training_config['multi_gpu']:
gpu_pad = training_config['gpu_pad']
gpu_cnt = training_config['gpu_cnt']
my_rank = C.Communicator.rank()
my_gpu_id = (my_rank + gpu_pad) % gpu_cnt
print("rank = " + str(my_rank) + ", using gpu " + str(my_gpu_id) +
" of " + str(gpu_cnt))
C.try_set_default_device(C.gpu(my_gpu_id))
else:
C.try_set_default_device(C.gpu(0))
# outputs while training
normal_log = os.path.join(data_path, training_config['logdir'], log_file)
# tensorboard files' dir
tensorboard_logdir = os.path.join(data_path, training_config['logdir'],
log_file)
polymath = PolyMath(config_file)
z, loss = polymath.model()
max_epochs = training_config['max_epochs']
log_freq = training_config['log_freq']
progress_writers = [
C.logging.ProgressPrinter(num_epochs=max_epochs,
freq=log_freq,
tag='Training',
log_to_file=normal_log,
rank=C.Communicator.rank(),
gen_heartbeat=gen_heartbeat)
]
# add tensorboard writer for visualize
tensorboard_writer = C.logging.TensorBoardProgressWriter(
freq=10,
log_dir=tensorboard_logdir,
rank=C.Communicator.rank(),
model=z)
progress_writers.append(tensorboard_writer)
lr = C.learning_parameter_schedule(training_config['lr'],
minibatch_size=None,
epoch_size=None)
ema = {}
dummies_info = {}
dummies = []
for p in z.parameters:
ema_p = C.constant(0,
shape=p.shape,
dtype=p.dtype,
name='ema_%s' % p.uid)
ema[p.uid] = ema_p
dummies.append(C.reduce_sum(C.assign(ema_p, p)))
dummies_info[dummies[-1].output] = (p.name, p.shape)
dummy = C.combine(dummies)
learner = C.adadelta(z.parameters, lr)
if C.Communicator.num_workers() > 1:
learner = C.data_parallel_distributed_learner(learner)
trainer = C.Trainer(z, (loss, None), learner, progress_writers)
if profiling:
C.debugging.start_profiler(sync_gpu=True)
train_data_file = os.path.join(data_path, training_config['train_data'])
train_data_ext = os.path.splitext(train_data_file)[-1].lower()
model_file = os.path.join(model_path, model_name)
model = C.combine(list(z.outputs) + [loss.output])
label_ab = argument_by_name(loss, 'ab')
epoch_stat = {
'best_val_err': 100,
'best_since': 0,
'val_since': 0,
'record_num': 0
}
if restore and os.path.isfile(model_file):
trainer.restore_from_checkpoint(model_file)
#after restore always re-evaluate
epoch_stat['best_val_err'] = validate_model(
os.path.join(data_path, training_config['val_data']), model,
polymath, config_file)
def post_epoch_work(epoch_stat):
trainer.summarize_training_progress()
epoch_stat['val_since'] += 1
if epoch_stat['val_since'] == training_config['val_interval']:
epoch_stat['val_since'] = 0
temp = dict((p.uid, p.value) for p in z.parameters)
for p in trainer.model.parameters:
p.value = ema[p.uid].value
val_err = validate_model(
os.path.join(data_path, training_config['val_data']), model,
polymath, config_file)
if epoch_stat['best_val_err'] > val_err:
epoch_stat['best_val_err'] = val_err
epoch_stat['best_since'] = 0
os.system("ls -la >> log.log")
os.system("ls -la ./Models >> log.log")
save_flag = True
fail_cnt = 0
while save_flag:
if fail_cnt > 100:
print("ERROR: failed to save models")
break
try:
trainer.save_checkpoint(model_file)
epoch_stat['record_num'] += 1
record_file = os.path.join(
model_path,
str(epoch_stat['record_num']) + '-' + model_name)
trainer.save_checkpoint(record_file)
save_flag = False
except:
fail_cnt = fail_cnt + 1
for p in trainer.model.parameters:
p.value = temp[p.uid]
else:
epoch_stat['best_since'] += 1
if epoch_stat['best_since'] > training_config['stop_after']:
return False
if profiling:
C.debugging.enable_profiler()
return True
if train_data_ext == '.ctf':
mb_source, input_map = create_mb_and_map(loss, train_data_file,
polymath)
minibatch_size = training_config['minibatch_size'] # number of samples
epoch_size = training_config['epoch_size']
for epoch in range(max_epochs):
num_seq = 0
while True:
if trainer.total_number_of_samples_seen >= training_config[
'distributed_after']:
data = mb_source.next_minibatch(
minibatch_size * C.Communicator.num_workers(),
input_map=input_map,
num_data_partitions=C.Communicator.num_workers(),
partition_index=C.Communicator.rank())
else:
data = mb_source.next_minibatch(minibatch_size,
input_map=input_map)
trainer.train_minibatch(data)
num_seq += trainer.previous_minibatch_sample_count
# print_para_info(dummy, dummies_info)
if num_seq >= epoch_size:
break
if not post_epoch_work(epoch_stat):
break
else:
if train_data_ext != '.tsv':
raise Exception("Unsupported format")
minibatch_seqs = training_config[
'minibatch_seqs'] # number of sequences
for epoch in range(max_epochs): # loop over epochs
tsv_reader = create_tsv_reader(loss, train_data_file, polymath,
minibatch_seqs,
C.Communicator.num_workers())
minibatch_count = 0
for data in tsv_reader:
if (minibatch_count %
C.Communicator.num_workers()) == C.Communicator.rank():
trainer.train_minibatch(data) # update model with it
dummy.eval()
minibatch_count += 1
if not post_epoch_work(epoch_stat):
break
if profiling:
C.debugging.stop_profiler()
required=True,
default=None)
parser.add_argument('--output',
help='The output ONNX model file.',
required=True,
default=None)
parser.add_argument(
'--end_node',
help=
'The end node of CNTK model. This is to remove error/loss related parts from input model.',
default=None)
parser.add_argument('--seq_len',
help='Test data sequence length.',
type=int,
default=0)
parser.add_argument('--batch_size',
help='Test data batch size.',
type=int,
default=1)
return parser.parse_args()
if __name__ == '__main__':
C.try_set_default_device(C.cpu())
args = parse_arguments()
print('input model: ' + args.input)
print('output model: ' + args.output)
convert_model_and_gen_data(args.input, args.output, args.end_node,
args.seq_len, args.batch_size)
print('Done!')
self._loss = new_loss
return self._model, self._loss, self._input_phs
# =============== test edition ==================
from cntk.debugging import debug_model
def test_model_part():
from train_pm import create_mb_and_map
rnet = RNet('config')
model, loss, input_phs = rnet.build_model()
mb, input_map = create_mb_and_map(input_phs, 'dev.ctf', rnet)
data = mb.next_minibatch(3, input_map=input_map)
res = model.eval(data)
print(res)
def _testcode():
data = [
np.array([[1, 2, 3, 0], [1, 2, 3, 0]]),
np.array([[1, 2, 0, 0], [2, 3, 0, 0]]),
np.array([[4, 0, 0, 0], [5, 0, 0, 0], [6, 0, 0, 0]])
]
inp = C.sequence.input_variable(4)
if __name__ == '__main__':
C.try_set_default_device(C.gpu(2))
test_model_part()
def test(test_data, model_path, model_file, config_file):
training_config = importlib.import_module(config_file).training_config
# config for using multi GPUs
if training_config['multi_gpu']:
gpu_pad = training_config['gpu_pad']
gpu_cnt = training_config['gpu_cnt']
my_rank = C.Communicator.rank()
my_gpu_id = (my_rank + gpu_pad) % gpu_cnt
print("rank = " + str(my_rank) + ", using gpu " + str(my_gpu_id) +
" of " + str(gpu_cnt))
C.try_set_default_device(C.gpu(my_gpu_id))
else:
C.try_set_default_device(C.gpu(0))
polymath = PolyMath(config_file)
model = C.load_model(
os.path.join(model_path, model_file if model_file else model_name))
begin_logits = model.outputs[0]
end_logits = model.outputs[1]
loss = C.as_composite(model.outputs[2].owner)
begin_prediction = C.sequence.input_variable(
1, sequence_axis=begin_logits.dynamic_axes[1], needs_gradient=True)
end_prediction = C.sequence.input_variable(
1, sequence_axis=end_logits.dynamic_axes[1], needs_gradient=True)
best_span_score = symbolic_best_span(begin_prediction, end_prediction)
predicted_span = C.layers.Recurrence(
C.plus)(begin_prediction - C.sequence.past_value(end_prediction))
batch_size = 32 # in sequences
misc = {'rawctx': [], 'ctoken': [], 'answer': [], 'uid': []}
tsv_reader = create_tsv_reader(loss,
test_data,
polymath,
batch_size,
1,
is_test=True,
misc=misc)
results = {}
with open('{}_out.json'.format(model_file), 'w',
encoding='utf-8') as json_output:
for data in tsv_reader:
out = model.eval(data,
outputs=[begin_logits, end_logits, loss],
as_numpy=False)
g = best_span_score.grad(
{
begin_prediction: out[begin_logits],
end_prediction: out[end_logits]
},
wrt=[begin_prediction, end_prediction],
as_numpy=False)
other_input_map = {
begin_prediction: g[begin_prediction],
end_prediction: g[end_prediction]
}
span = predicted_span.eval((other_input_map))
for seq, (raw_text, ctokens, answer, uid) in enumerate(
zip(misc['rawctx'], misc['ctoken'], misc['answer'],
misc['uid'])):
seq_where = np.argwhere(span[seq])[:, 0]
span_begin = np.min(seq_where)
span_end = np.max(seq_where)
predict_answer = get_answer(raw_text, ctokens, span_begin,
span_end)
results['query_id'] = int(uid)
results['answers'] = [predict_answer]
json.dump(results, json_output)
json_output.write("\n")
misc['rawctx'] = []
misc['ctoken'] = []
misc['answer'] = []
misc['uid'] = []
# Checkpointing and logging
parser.add_argument('-md',
'--model_dir',
default='chkpt',
help='Directory for logs and checkpoints')
parser.add_argument('-lf',
'--log_freq',
type=int,
default=10,
help='The number of episodes between progress logs')
parser.add_argument('-cf',
'--chkpt_freq',
type=int,
default=100,
help='The number of episodes between checkpoints')
args = parser.parse_args()
# Select the right target device when this notebook is being tested
if 'TEST_DEVICE' in os.environ:
if os.environ['TEST_DEVICE'] == 'cpu':
cntk.try_set_default_device(cntk.device.cpu())
else:
cntk.try_set_default_device(cntk.device.gpu(0))
main(args.env_name, args.episodes, args.gamma, args.learning_rate,
args.batch_size, args.mem_cap, args.target_update, args.action_repeat,
args.stack_frames, args.replay_period, args.replay_start_size,
args.use_exp, args.min_epsilon, args.decay_exp, args.decay_lin,
args.model_dir, args.log_freq, args.chkpt_freq)
def load_cnn_model(fn, gpu_id=0):
cntk.try_set_default_device(cntk.gpu(gpu_id))
cntk.use_default_device()
return cntk.load_model(fn)