def main():
params = {
'nInput': inputNeurons,
'nHidden': hiddenNeurons,
'nOutput': outputNeurons,
'activation': 'sigmoid'
}
n1 = network(params)
#print n1
#n1.setBias(3, -3.124334)
#print n1
#cRand = random.uniform(-10.0, 10.0)
#n1.setWeight((1, 2, 2), cRand)
#print "\n\n\n"
#test xor input vector
inputVector = [1.0, 1.0]
try:
n1.feed(inputVector)
except Exception as e:
print BR, "Exception: ", e, BR
def setUp(self):
activities = [activity() for number in range(9)]
[activities[i].AssignID(i+1) for i in range(9)]
[activities[i].AssignDuration(10) for i in range(9)]
[activities[i].AssignDurationRange(MIN=5, ML=9, MAX=40) for i in range(9)]
[activities[i].AssignSuccsesors(i+2) for i in range(8)]
self.P = network()
self.P.AddActivity(*activities)
def test_Float1(self):
"""Tests total floats in network"""
activities = [activity() for number in range(3)]
[activities[i].AssignID(i+1) for i in range(3)]
[activities[i].AssignDuration(duration) for duration, i in zip([5,10,1], range(3))]
[activities[i].AssignSuccsesors(3) for i in range(3)]
P = network()
P.AddActivity(*activities)
P.CalculateTotalFloats()
calculated_floats = [act.GetSlack() for act in P]
floats = [5,0,0]
self.assertListEqual(calculated_floats, floats)
def test_ProbabiliyOfCritical(self):
""" Tests calculation of probability of criticality of an activity"""
activities = [activity() for number in range(3)]
[activities[i].AssignID(i+1) for i in range(3)]
[activities[i].AssignDuration(duration) for duration, i in zip([100,100,100], range(3))]
[activities[i].AssignDurationRange(min=50, ml=100, max=150) for i in range(3)]
[activities[i].AssignSuccsesors(3) for i in range(2)]
P = network()
P.AddActivity(*activities)
P.Simulate(1000)
for i in range(1,4):
self.assertGreater(P.GetProbabiltyOfCritical(ID=i), 0)
self.assertLessEqual(P.GetProbabiltyOfCritical(ID=i), 1)
def test_Float4(self):
"""Tests total floats in network with on start-start constraint"""
activities = [activity() for number in range(4)]
[activities[i].AssignID(i+1) for i in range(4)]
[activities[i].AssignDuration(duration) for duration, i in zip([5,10,20,3], range(4))]
activities[0].AssignSuccsesors(2)
activities[1].AssignSuccsesors('4ss')
activities[2].AssignSuccsesors(4)
P = network()
P.AddActivity(*activities)
P.CalculateTotalFloats()
calculated_floats = [act.GetSlack() for act in P]
floats = [15,15,0,0]
self.assertListEqual(calculated_floats, floats)
classes = ["T-shirt/top","Trouser","Pullover","Dress","Coat","Sandal","Shirt","Sneaker","Bag","Ankle boot"]
transform = transforms.Compose(
[transforms.ToTensor(),
transforms.Normalize((0.5),(0.5))]
)
batchsize = 50
trainset = mnistDataSet('fashionmnist\\data\\fashion', "train")
testset = mnistDataSet('fashionmnist\\data\\fashion', "t10k")
trainloader = torch.utils.data.DataLoader(trainset, batch_size=batchsize, shuffle=True, num_workers=2)
testloader = torch.utils.data.DataLoader(testset, batch_size=batchsize, shuffle=False, num_workers=2)
if __name__ == "__main__":
net = network()
epochs = 10
loss = nn.CrossEntropyLoss()
optimizer = optim.Adam(net.parameters(), lr=0.001)
for e in range(epochs):
net.train()
running_loss = 0.0
for i, d in enumerate(trainloader, 0):
inputs, labels = d
inputs, labels = Variable(inputs), Variable(labels)
optimizer.zero_grad()
#Session
config = tf.ConfigProto(allow_soft_placement=True)
sess = tf.Session(config=config)
#Placeholder
x1 = tf.placeholder(tf.float32, [batch_size, Height, Width, Channel])
x2 = tf.placeholder(tf.float32, [batch_size, Height, Width, Channel])
x3 = tf.placeholder(tf.float32, [batch_size, Height, Width, Channel])
## MC-subnet
x1to2 = flow.warp_img(batch_size, x2, x1, False)
x3to2 = flow.warp_img(batch_size, x2, x3, True)
## QE-subnet
x2_enhanced = net.network(x1to2, x2, x3to2)
##Import data
PQF_Frame_93_Y, PQF_Frame_93_U, PQF_Frame_93_V = data.input_data(
Height, Width, 'Frame_93')
non_PQF_Frame_96_Y, non_PQF_Frame_96_U, non_PQF_Frame_96_V = data.input_data(
Height, Width, 'Frame_96')
PQF_Frame_97_Y, PQF_Frame_97_U, PQF_Frame_97_V = data.input_data(
Height, Width, 'Frame_97')
##Load model
saver = tf.train.Saver()
saver.restore(sess, './HEVC_QP37_model/model.ckpt')
##Run test
Enhanced_Y = sess.run(x2_enhanced,
else:
print('Cache Found at ./data_cache/')
x_read, y_read = read_from()
x, y = proc_data(x_read, y_read)
x_train, x_val, y_train, y_val = train_test_split(x,
y,
test_size=0.2,
random_state=777)
training_set = Data.TensorDataset(torch.from_numpy(x_train),
torch.from_numpy(y_train))
val_set = Data.TensorDataset(torch.from_numpy(x_val),
torch.from_numpy(y_val))
model = network()
criterion = nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(model.parameters(), lr=params['lr'])
train_loader = Data.DataLoader(dataset=training_set,
batch_size=params['batch_size'],
shuffle=True,
num_workers=2)
val_loader = Data.DataLoader(dataset=val_set,
batch_size=params['batch_size'],
shuffle=True,
num_workers=2)
for epoch in range(params['n_epoch']):
print("Epoch: {}\tlr: {}".format(epoch + 1,
from tensorflow.examples.tutorials.mnist import input_data
mnist = input_data.read_data_sets('MNIST_data', one_hot=True)
import net
net = net.network()
BSIZE = 128
MAX_ITER = 20000
for i in range(MAX_ITER):
x_train, y_train = mnist.train.next_batch(BSIZE)
x_train = x_train.reshape([-1,28,28,1])
ls,ac = net.train(x_train,y_train)
print('ITER:\t%d\tLoss:\t%.4f\tAcc:\t%.4f'%(i,ls,ac))
def train():
""" do training """
args = parse_args()
if args.enable_ce:
fluid.default_startup_program().random_seed = SEED
fluid.default_main_program().random_seed = SEED
train_dir = args.train_dir
vocab_text_path = args.vocab_text_path
vocab_tag_path = args.vocab_tag_path
use_cuda = True if args.use_cuda else False
parallel = True if args.parallel else False
batch_size = args.batch_size
neg_size = args.neg_size
print("use_cuda: {}, parallel: {}, batch_size: {}, neg_size: {} ".format(
use_cuda, parallel, batch_size, neg_size))
vocab_text_size, vocab_tag_size, train_reader = utils.prepare_data(
file_dir=train_dir,
vocab_text_path=vocab_text_path,
vocab_tag_path=vocab_tag_path,
neg_size=neg_size,
batch_size=batch_size * get_cards(args),
buffer_size=batch_size * 100,
is_train=True)
""" train network """
# Train program
avg_cost, correct, cos_pos = net.network(vocab_text_size,
vocab_tag_size,
neg_size=neg_size)
# Optimization to minimize lost
sgd_optimizer = fluid.optimizer.Adagrad(learning_rate=args.base_lr)
sgd_optimizer.minimize(avg_cost)
# Initialize executor
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
if parallel:
train_exe = fluid.ParallelExecutor(use_cuda=use_cuda,
loss_name=avg_cost.name)
else:
train_exe = exe
pass_num = args.pass_num
model_dir = args.model_dir
fetch_list = [avg_cost.name]
total_time = 0.0
ce_info = []
for pass_idx in range(pass_num):
epoch_idx = pass_idx + 1
print("epoch_%d start" % epoch_idx)
t0 = time.time()
for batch_id, data in enumerate(train_reader()):
lod_text_seq = utils.to_lodtensor([dat[0] for dat in data], place)
lod_pos_tag = utils.to_lodtensor([dat[1] for dat in data], place)
lod_neg_tag = utils.to_lodtensor([dat[2] for dat in data], place)
loss_val, correct_val = train_exe.run(
feed={
"text": lod_text_seq,
"pos_tag": lod_pos_tag,
"neg_tag": lod_neg_tag
},
fetch_list=[avg_cost.name, correct.name])
ce_info.append(
float(np.sum(correct_val)) / (args.num_devices * batch_size))
if batch_id % args.print_batch == 0:
print("TRAIN --> pass: {} batch_num: {} avg_cost: {}, acc: {}".
format(
pass_idx, (batch_id + 10) * batch_size,
np.mean(loss_val),
float(np.sum(correct_val)) /
(args.num_devices * batch_size)))
t1 = time.time()
total_time += t1 - t0
print("epoch:%d num_steps:%d time_cost(s):%f" %
(epoch_idx, batch_id, total_time / epoch_idx))
save_dir = "%s/epoch_%d" % (model_dir, epoch_idx)
feed_var_names = ["text", "pos_tag"]
fetch_vars = [cos_pos]
fluid.io.save_inference_model(save_dir, feed_var_names, fetch_vars,
exe)
# only for ce
if args.enable_ce:
ce_acc = 0
try:
ce_acc = ce_info[-2]
except:
logger.error("ce info error")
epoch_idx = args.pass_num
device = get_device(args)
if args.use_cuda:
gpu_num = device[1]
print("kpis\teach_pass_duration_gpu%s\t%s" %
(gpu_num, total_time / epoch_idx))
print("kpis\ttrain_acc_gpu%s\t%s" % (gpu_num, ce_acc))
else:
cpu_num = device[1]
threads_num = device[2]
print("kpis\teach_pass_duration_cpu%s_thread%s\t%s" %
(cpu_num, threads_num, total_time / epoch_idx))
print("kpis\ttrain_acc_cpu%s_thread%s\t%s" %
(cpu_num, threads_num, ce_acc))
print("finish training")
def train(self, train_size, test_size, data_path):
lr = self.lr_
batch_size = self.batch_size_
# get images and label batch
with tf.name_scope("input"):
train_image_batch, train_label_batch = data_input.get_images_batch_with_labels(
data_path=data_path + "train/",
shape=[200, 200],
channels=3,
batch_size=batch_size,
data_size=train_size)
test_image_batch, test_label_batch = data_input.get_images_batch_with_labels(
data_path=data_path + "test/",
shape=[200, 200],
channels=3,
batch_size=batch_size,
data_size=test_size)
w, h, c, classes = 200, 200, 3, 5
x = tf.placeholder(tf.float32, [batch_size, w, h, c])
y = tf.placeholder(tf.float32, [batch_size, classes])
# construct the loss function and the optimizer
with tf.name_scope("Logits"):
pred = net.network(x)
tf.summary.histogram("pred", pred)
with tf.name_scope("loss"):
loss = net.loss(_logits=pred, _labels=y)
tf.summary.scalar("loss", loss)
with tf.name_scope("optimization"):
optimizer = tf.train.AdamOptimizer(learning_rate=lr).minimize(loss)
with tf.name_scope("accuracy"):
# Model Evaluation
correct_pred = tf.equal(tf.argmax(pred, 1), tf.argmax(y, 1))
accuracy = tf.reduce_mean(tf.cast(correct_pred, tf.float32))
tf.summary.scalar("accuracy", accuracy)
# for summary issues
tf.summary.image("batch images", train_image_batch, max_outputs=20)
summary_op = tf.summary.merge_all()
# init variables
init = tf.global_variables_initializer()
# saver to save all the variables to checkpoint file
saver = tf.train.Saver()
with tf.Session() as sess:
sess.run(init)
coord = tf.train.Coordinator()
threads = tf.train.start_queue_runners(coord=coord)
summary_writer = tf.summary.FileWriter("./tmp/train/",
graph=sess.graph)
step = 1
while step <= self.max_iters_:
image_batch, label_batch = sess.run(
[train_image_batch, train_label_batch])
label_batch = self.get_label_batch(label_batch, classes)
sess.run(optimizer, feed_dict={x: image_batch, y: label_batch})
if step % self.display_step_ == 0:
l, acc, summary = sess.run([loss, accuracy, summary_op],
feed_dict={
x: image_batch,
y: label_batch
})
print("[Step{}]".format(step))
print(
"[Step{}]The batch loss is {:.6f}, accuracy is {:.5f}".
format(step, l, acc))
summary_writer.add_summary(summary, step)
if step % (10 * self.display_step_) == 0:
# calculate the accuracy on the test dataset
print("[STEP{}]test time!".format(step))
max_steps = int(test_size / batch_size)
test_acc = 0
for i in range(max_steps):
test_images, test_labels = sess.run(
[test_image_batch, test_label_batch])
test_labels = self.get_label_batch(
test_labels, classes)
acc = sess.run(accuracy,
feed_dict={
x: test_images,
y: test_labels
})
test_acc += acc
print("[STEP{}]The test accuracy is:{}".format(
step, test_acc / max_steps))
print("[STEP{}]test complete!".format(step))
step += 1
print("Optimization Finished!")
saver.save(sess, "./tmp/model.ckpt")
coord.request_stop()
coord.join(threads)
print("Have save all variables to " + "./tmp/model.ckpt")
def train():
""" do training """
args = parse_args()
hid_size = args.hid_size
train_dir = args.train_dir
vocab_path = args.vocab_path
use_cuda = True if args.use_cuda else False
print("use_cuda:", use_cuda)
batch_size = args.batch_size
vocab_size, train_reader = utils.prepare_data(
train_dir, vocab_path, batch_size=batch_size * get_cards(args),\
buffer_size=1000, word_freq_threshold=0, is_train=True)
# Train program
src_wordseq, dst_wordseq, avg_cost, acc = net.network(
vocab_size=vocab_size, hid_size=hid_size)
# Optimization to minimize lost
sgd_optimizer = fluid.optimizer.SGD(learning_rate=args.base_lr)
sgd_optimizer.minimize(avg_cost)
def train_loop(main_program):
""" train network """
pass_num = args.pass_num
model_dir = args.model_dir
fetch_list = [avg_cost.name]
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
total_time = 0.0
for pass_idx in six.moves.xrange(pass_num):
epoch_idx = pass_idx + 1
print("epoch_%d start" % epoch_idx)
t0 = time.time()
i = 0
newest_ppl = 0
for data in train_reader():
i += 1
lod_src_wordseq = utils.to_lodtensor([dat[0] for dat in data],
place)
lod_dst_wordseq = utils.to_lodtensor([dat[1] for dat in data],
place)
ret_avg_cost = exe.run(main_program,
feed={
"src_wordseq": lod_src_wordseq,
"dst_wordseq": lod_dst_wordseq
},
fetch_list=fetch_list)
avg_ppl = np.exp(ret_avg_cost[0])
newest_ppl = np.mean(avg_ppl)
if i % args.print_batch == 0:
print("step:%d ppl:%.3f" % (i, newest_ppl))
t1 = time.time()
total_time += t1 - t0
print("epoch:%d num_steps:%d time_cost(s):%f" %
(epoch_idx, i, total_time / epoch_idx))
save_dir = "%s/epoch_%d" % (model_dir, epoch_idx)
feed_var_names = ["src_wordseq", "dst_wordseq"]
fetch_vars = [avg_cost, acc]
if args.trainer_id == 0:
fluid.io.save_inference_model(save_dir, feed_var_names,
fetch_vars, exe)
print("model saved in %s" % save_dir)
print("finish training")
if args.is_local:
print("run local training")
train_loop(fluid.default_main_program())
else:
print("run distribute training")
t = fluid.DistributeTranspiler()
t.transpile(args.trainer_id,
pservers=args.endpoints,
trainers=args.trainers)
if args.role == "pserver":
print("run psever")
pserver_prog = t.get_pserver_program(args.current_endpoint)
pserver_startup = t.get_startup_program(args.current_endpoint,
pserver_prog)
exe = fluid.Executor(fluid.CPUPlace())
exe.run(pserver_startup)
exe.run(pserver_prog)
elif args.role == "trainer":
print("run trainer")
train_loop(t.get_trainer_program())
def run(pattern):
net = network(pattern)
net.build_net()
net.run()
def init_data(self):
print("init_data")
self.fts = fts_database()
self.thread_running = False
self.net = network()
self.cmd_input.returnPressed.connect(self.handle_cmd)
def train():
""" do training """
args = parse_args()
train_dir = args.train_dir
vocab_text_path = args.vocab_text_path
vocab_tag_path = args.vocab_tag_path
use_cuda = True if args.use_cuda else False
batch_size = args.batch_size
neg_size = args.neg_size
vocab_text_size, vocab_tag_size, train_reader = utils.prepare_data(
file_dir=train_dir,
vocab_text_path=vocab_text_path,
vocab_tag_path=vocab_tag_path,
neg_size=neg_size,
batch_size=batch_size * get_cards(args),
buffer_size=batch_size * 100,
is_train=True)
""" train network """
# Train program
avg_cost, correct, cos_pos = net.network(vocab_text_size,
vocab_tag_size,
neg_size=neg_size)
# Optimization to minimize lost
sgd_optimizer = fluid.optimizer.SGD(learning_rate=args.base_lr)
sgd_optimizer.minimize(avg_cost)
def train_loop(main_program):
# Initialize executor
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()
exe = fluid.Executor(place)
pass_num = args.pass_num
model_dir = args.model_dir
fetch_list = [avg_cost.name]
exe.run(fluid.default_startup_program())
total_time = 0.0
for pass_idx in range(pass_num):
epoch_idx = pass_idx + 1
print("epoch_%d start" % epoch_idx)
t0 = time.time()
for batch_id, data in enumerate(train_reader()):
lod_text_seq = utils.to_lodtensor([dat[0] for dat in data],
place)
lod_pos_tag = utils.to_lodtensor([dat[1] for dat in data],
place)
lod_neg_tag = utils.to_lodtensor([dat[2] for dat in data],
place)
loss_val, correct_val = exe.run(
feed={
"text": lod_text_seq,
"pos_tag": lod_pos_tag,
"neg_tag": lod_neg_tag
},
fetch_list=[avg_cost.name, correct.name])
if batch_id % args.print_batch == 0:
print(
"TRAIN --> pass: {} batch_num: {} avg_cost: {}, acc: {}"
.format(pass_idx, (batch_id + 10) * batch_size,
np.mean(loss_val),
float(np.sum(correct_val)) / batch_size))
t1 = time.time()
total_time += t1 - t0
print("epoch:%d num_steps:%d time_cost(s):%f" %
(epoch_idx, batch_id, total_time / epoch_idx))
save_dir = "%s/epoch_%d" % (model_dir, epoch_idx)
feed_var_names = ["text", "pos_tag"]
fetch_vars = [cos_pos]
fluid.io.save_inference_model(save_dir, feed_var_names, fetch_vars,
exe)
print("finish training")
if args.is_local:
print("run local training")
train_loop(fluid.default_main_program())
else:
print("run distribute training")
t = fluid.DistributeTranspiler()
t.transpile(args.trainer_id,
pservers=args.endpoints,
trainers=args.trainers)
if args.role == "pserver":
print("run psever")
pserver_prog = t.get_pserver_program(args.current_endpoint)
pserver_startup = t.get_startup_program(args.current_endpoint,
pserver_prog)
exe = fluid.Executor(fluid.CPUPlace())
exe.run(pserver_startup)
exe.run(pserver_prog)
elif args.role == "trainer":
print("run trainer")
train_loop(t.get_trainer_program())