def __init__(self, experiment, label_type, lr, weight_decay, num_directions, batch_size, num_epochs, threshold, hidden_size,
dropout):
self.experiment = experiment
self.label_type = label_type
self.lr = lr
self.weight_decay = weight_decay
self.num_directions = num_directions
self.batch_size = batch_size
self.num_epochs = num_epochs
with open("public_data/vocab/word2id.pkl", 'rb') as infile:
self.word2id = pickle.load(infile)
self.train_dataset = BinaryPairDataset("train", label_type, threshold)
self.valid_dataset = BinaryPairDataset("valid", label_type, threshold)
self.orig_labels = self.train_dataset.orig_labels
self.collection = IR_Dataset("train", label_type, threshold, "above_threshold")
self.queries = IR_Dataset("valid", label_type, threshold, "above_threshold")
with open("public_data/vocab/word2id.pkl", 'rb') as infile:
self.word2id = pickle.load(infile)
with open("public_data/embeddings/word_embeddings_%s.pkl" %self.experiment, 'rb') as infile:
embeddings = pickle.load(infile)
self.model = Encoder(embeddings=embeddings, dropout=dropout,
hidden_size=hidden_size, num_directions=num_directions)
if torch.cuda.is_available():
self.model = self.model.cuda()
self.float = torch.cuda.FloatTensor
self.long = torch.cuda.LongTensor
else:
self.float = torch.FloatTensor
self.long = torch.LongTensor
log('============ EXPERIMENT ID ============')
id = str(uuid.uuid4())[:8]
log("Files will be stored with id %s" % id)
self.save_as = "_".join([self.experiment, label_type, str(threshold), "pair_cel", id])
with open("public_data/models/configuration_classifier_%s.pkl" % self.save_as, 'wb') as out:
pickle.dump({"NUM_TRAIN": len(self.train_dataset.df), "NUM_VALID": len(self.valid_dataset.df),
"DROPOUT": dropout, "HIDDEN_SIZE": hidden_size, "NUM_DIR": num_directions,
"EMB_SHAPE": embeddings.shape, "LABEL_TYPE": label_type,
"THRESHOLD": threshold, "LABELS": self.orig_labels}, out)
self.run_training()
def setup():
bus = smbus.SMBus(1)
slave_address = 0x07
enc_left = Encoder('left', 100, bus, slave_address)
enc_right = Encoder('right', 100, bus, slave_address)
drive_train = DriveTrain(enc_left, enc_right, bus, slave_address)
ult_left = Ultrasonic('left', 22, 23)
ult_front = Ultrasonic('front', 20, 21)
ult_right = Ultrasonic('right', 18, 19)
simple_filter = Filter(drive_train, ult_left, ult_front, ult_right, bus, slave_address)
return simple_filter
def __init__(self, feature_dim, embed_dim, m_size, day, hour):
super(STEMGEM, self).__init__()
self.m_size = m_size
self.graph = Encoder(feature_dim, embed_dim, m_size, hour)
self.gat = GAT(nfeat=feature_dim,
nhid=8,
nclass=4,
dropout=0.5,
nheads=2,
alpha=0.5)
self.cnnday = CnnDay(m_size, day)
self.cnnhour = CnnHour(m_size, hour)
self.embed_size = 4 + 4
self.rnn = nn.GRU(self.embed_size, self.embed_size, 1)
# self.rnn = self.rnn.cuda()
self.w1 = nn.Parameter(torch.FloatTensor(m_size, m_size))
init.xavier_uniform_(self.w1)
self.w2 = nn.Parameter(torch.FloatTensor(m_size, m_size))
init.xavier_uniform_(self.w2)
self.w3 = nn.Parameter(torch.FloatTensor(m_size, m_size))
init.xavier_uniform_(self.w3)
self.w4 = nn.Parameter(torch.FloatTensor(m_size, m_size))
init.xavier_uniform_(self.w4)
self.tran_Matrix = nn.Parameter(torch.FloatTensor(2, self.embed_size))
init.xavier_uniform_(self.tran_Matrix)
self.hn = nn.Parameter(
torch.FloatTensor(1, self.m_size, self.embed_size))
init.xavier_uniform_(self.hn)
self.loss_fn = torch.nn.MSELoss()
def home(request):
message = None
if request.method == "POST":
print "POST parameters: ", request.POST
print "Files: ", request.FILES
# Build the form
form = models.UploadModelForm(request.POST, request.FILES)
if form.is_valid():
# Read the data and upload it to the location defined in UploadModel
form.save()
# Save the name of the uploaded file
uploaded_filename = form.cleaned_data["filepicker_file"].name
# Build the full input path to the file
MEDIA_UPLOAD_ROOT = os.path.join(os.getcwd(), "media/uploads/")
input_path = MEDIA_UPLOAD_ROOT + uploaded_filename
# Build the output filename
output_filename = uploaded_filename + "_transcoded.mkv"
# Build the output path
MEDIA_DOWNLOADS_ROOT = os.path.join(os.getcwd(), "media/finished/")
# If the output folder doesn't exist, create it
if not os.path.exists(MEDIA_DOWNLOADS_ROOT):
os.makedirs(MEDIA_DOWNLOADS_ROOT)
output_path = MEDIA_DOWNLOADS_ROOT + output_filename
# Transcode the file
video_encoder = Encoder(input_path, output_path)
video_encoder.start()
while video_encoder.alive():
print (video_encoder.get_time_elapsed())
time.sleep(0.1)
# Return the path to the file
message = output_filename
else:
message = None
else:
form = models.UploadModelForm()
return render(request, "home.html", {"form": form, "message": message})
def main():
env = gym.make('TexasHoldem-v1',
n_seats=N_PLAYERS,
max_limit=100000,
all_in_equity_reward=True,
equity_steps=1000,
debug=False)
for i in range(N_PLAYERS):
env.add_player(i, stack=2000)
for p in env._seats:
p.reset_stack()
state = env.reset()
#print(state)
(player_states, (community_infos, community_cards)) = state
#print('player states', player_states)
#print('community info', community_infos)
encoder = Encoder(N_PLAYERS, ranking_encoding=None)
start_time = time.time()
#community_info, players_info, community_cards, player_cards = encoder.encode(player_states, community_infos, community_cards, 0, concat=False)
encoded_state = encoder.encode(player_states, community_infos,
community_cards, 0)
time_taken = time.time() - start_time
print(time_taken)
#print(encoded_state.shape)
tr_env = TrainingEnv.build_environment('asd', N_PLAYERS)
#print(tr_env.n_observation_dimensions)
#print('Community Info:', community_info)
#print('Players Info:', players_info)
#print('Community Cards:', community_cards)
#print('Player Cards:', player_cards)
#print('Hand Rank:', hand_rank)
#print(encoder.encode_slow(player_states, community_infos, community_cards, 0))
step = [[1, 0]] * N_PLAYERS
#print(step)
state, reward, done, info = env.step(step)
(player_states, (community_infos, community_cards)) = state
encoded_state = encoder.encode(player_states, community_infos,
community_cards, 0)
step = [[0, 0]] * N_PLAYERS
state, reward, done, info = env.step(step)
(player_states, (community_infos, community_cards)) = state
encoded_state = encoder.encode(player_states, community_infos,
community_cards, 0)
def load_model_and_configuration(model_name):
"""
Loads configuration and skeleton of trained model
:param model_name: string ID of trained model
:return: loaded model and configuration values
"""
with open("public_data/models/configuration_classifier_%s.pkl" % model_name, 'rb') as infile:
configuration = pickle.load(infile)
if "mucl" in model_name:
model = Classifier(embeddings=np.zeros(configuration["EMB_SHAPE"]),
num_classes=len(configuration["LABEL2ID"]),
dropout=configuration["DROPOUT"],
hidden_size=configuration["HIDDEN_SIZE"],
num_directions=configuration["NUM_DIR"])
load_model(model_name, model)
label2id = configuration["LABEL2ID"]
labels = configuration["LABELS"]
label_type = configuration["LABEL_TYPE"]
return model, label_type, label2id, labels
elif "pair_cel" in model_name:
model = Encoder(embeddings=np.zeros(configuration["EMB_SHAPE"]),
dropout=configuration["DROPOUT"],
hidden_size=configuration["HIDDEN_SIZE"],
num_directions=configuration["NUM_DIR"])
load_model(model_name, model)
label_type = configuration["LABEL_TYPE"]
threshold = configuration["THRESHOLD"]
return model, label_type, threshold
elif "triplet" in model_name:
encoder = Encoder(embeddings=np.zeros(configuration["EMB_SHAPE"]),
dropout=configuration["DROPOUT"],
hidden_size=configuration["HIDDEN_SIZE"],
num_directions=configuration["NUM_DIR"])
model = TripletEncoder(encoder)
load_model(model_name, model)
vfc_type = configuration["LABEL_TYPE"]
threshold = configuration["THRESHOLD"]
confidence = configuration["CONFIDENCE"]
return model, vfc_type, threshold, confidence
def __init__(self):
"""
Instantiates arrays and encoder objects
"""
mh = mh = Adafruit_MotorHAT(addr=0x60)
e = [None, None, None, None]
for motor in xrange(0, 4):
# Init encoders
ePin = PINS[motor]
if ePin is not None:
e[motor] = Encoder(ePin)
else:
e[motor] = Encoder(-1)
# Set GPIO pins for writing implement
GPIO.setmode(GPIO.BCM)
GPIO.setup(WRITINGPINS[0], GPIO.OUT)
GPIO.setup(WRITINGPINS[1], GPIO.OUT)
GPIO.setup(WRITINGPINS[2], GPIO.OUT)
self.pwm = GPIO.PWM(WRITINGPINS[2], 490)
self.pwm.start(0)
self.encoders = e
self.prevErrors = np.array([0.0, 0.0, 0.0, 0.0])
# Thread exit flags
self.stopFlag = False
self.currThread = None
self.motors = [
mh.getMotor(1),
mh.getMotor(2),
mh.getMotor(3),
mh.getMotor(4)
]
atexit.register(self.stopMotors)
# Writing implement starts off unactuated
self.isWriting = False
self.writingThread = None
self._debug = 1
def run_cora():
np.random.seed(1)
random.seed(1)
num_nodes = 2708
feat_data, labels, adj_lists = load_cora()
adj_score_list, adj_score_sum = findNeighbor(adj_lists)
features = nn.Embedding(2708, 1433)
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
# features.cuda()
agg1 = MeanAggregator(adj_score_list, adj_score_sum, features, cuda=True)
enc1 = Encoder(features, 1433, 128, adj_lists, agg1, gcn=True, cuda=False)
agg2 = MeanAggregator(adj_score_list,
adj_score_sum,
lambda nodes: enc1(nodes).t(),
cuda=False)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
128,
adj_lists,
agg2,
base_model=enc1,
gcn=True,
cuda=False)
enc1.num_samples = 5
enc2.num_samples = 5
graphsage = SupervisedGraphSage(7, enc2)
# graphsage.cuda()
rand_indices = np.random.permutation(num_nodes)
test = rand_indices[:1000]
val = rand_indices[1000:1500]
train = list(rand_indices[1500:])
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=0.7)
times = []
for batch in range(100):
batch_nodes = train[:256]
random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(
batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
print(batch, loss.data.item())
val_output = graphsage.forward(val)
print(
"Validation F1:",
f1_score(labels[val],
val_output.data.numpy().argmax(axis=1),
average="micro"))
print("Average batch time:", np.mean(times))
def run_cora():
np.random.seed(1)
random.seed(1)
num_nodes = 2708
mini_batch_size = 256
feat_data, labels, adj_lists = load_cora()
print(feat_data.shape)
features = nn.Embedding(2708, 1433)
features.weight = nn.Parameter(torch.FloatTensor(feat_data), requires_grad=False)
# features.cuda()
agg1 = MeanAggregator(features, cuda=True)
enc1 = Encoder(features, 1433, 128, adj_lists, agg1, gcn=True, cuda=False)
agg2 = MeanAggregator(lambda nodes : enc1(nodes).t(), cuda=False, gcn=True)
enc2 = Encoder(lambda nodes : enc1(nodes).t(), enc1.embed_dim, 128, adj_lists, agg2,
base_model=enc1, gcn=True, cuda=False)
enc1.num_samples = 5
enc2.num_samples = 5
graphsage = SupervisedGraphSage(7, enc2)
# graphsage.cuda()
rand_indices = np.random.permutation(num_nodes)
test = rand_indices[:1000]
val = rand_indices[1000:1500]
train = list(rand_indices[1500:])
optimizer = torch.optim.SGD(filter(lambda p : p.requires_grad, graphsage.parameters()), lr=0.7)
times = []
num_train_nodes = len(train)
mini_batches_iterator = minibatch_iter(num_train_nodes, mini_batch_size)
n_epochs = 3
for epoch in range(n_epochs):
# one epoch
print("Start running epoch {0} / {1}".format(epoch + 1, n_epochs))
random.shuffle(train)
mini_batches = iter(mini_batches_iterator)
for start, end in mini_batches:
batch_nodes = train[start:end]
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time-start_time)
print("\t", start, end, loss.data.item())
val_output = graphsage.forward(val)
print("Validation F1:", f1_score(labels[val], val_output.data.numpy().argmax(axis=1), average="micro"))
print("Average batch time:", np.mean(times) if len(times) else 0)
def main():
parser = argparse.ArgumentParser(description='Encode text file to binary')
parser.add_argument('file', metavar='<file>')
args = parser.parse_args()
finput = args.file
global model,encoder
model = Model()
encoder = Encoder()
with open(finput) as f:
for line in f:
if doLine(line):
break
encoder.encode_symbol(model.EOF_SYMBOL, model.total_freq)
encoder.done_encoding()
def __init__(self,
env,
other_players,
n_seats,
stacks=2500,
encoding='norm',
encoder=None,
decoder=None,
visualize=False,
debug=False):
assert len(other_players) == n_seats - 1
self.env = env
self.other_players = other_players
self.n_seats = n_seats
self._debug = debug
self._visualize = visualize
self._encoder = encoder if not encoder is None else Encoder(
n_seats, ranking_encoding=encoding)
self._decoder = decoder if not decoder is None else Decoder()
self._add_players(n_seats, stacks)
def main():
encoder_r = Encoder(pins.encoder_pin_r1, pins.encoder_pin_r2)
position_r = -999
encoder_l = Encoder(pins.encoder_pin_l1, pins.encoder_pin_l2)
position_l = -999
while(True):
new_pos_r = -encoder_r.read()
new_pos_l = encoder_l.read()
if new_pos_r != position_r or new_pos_l != position_l:
print("Position_r = {}".format(new_pos_r))
position_r = new_pos_r
print("Position_l = {}".format(new_pos_l))
postion_l = new_pos_l
sleep(1)
def home(request):
message = None
if request.method == "POST":
print "POST parameters: ", request.POST
print "Files: ", request.FILES
# Build the form
form = models.UploadModelForm(request.POST, request.FILES)
if form.is_valid():
# Read the data and upload it to the location defined in UploadModel
form.save()
# Save the name of the uploaded file
uploaded_filename = form.cleaned_data['filepicker_file'].name
# Build the full input path to the file
MEDIA_UPLOAD_ROOT = os.path.join(os.getcwd(), 'media/uploads/')
input_path = MEDIA_UPLOAD_ROOT + uploaded_filename
# Build the output filename
output_filename = uploaded_filename + "_transcoded.mkv"
# Build the output path
MEDIA_DOWNLOADS_ROOT = os.path.join(os.getcwd(), 'media/finished/')
# If the output folder doesn't exist, create it
if not os.path.exists(MEDIA_DOWNLOADS_ROOT):
os.makedirs(MEDIA_DOWNLOADS_ROOT)
output_path = MEDIA_DOWNLOADS_ROOT + output_filename
# Transcode the file
video_encoder = Encoder(input_path, output_path)
video_encoder.start()
while video_encoder.alive():
print(video_encoder.get_time_elapsed())
time.sleep(0.1)
# Return the path to the file
message = output_filename
else:
message = None
else:
form = models.UploadModelForm()
return render(request, "home.html", {'form': form, 'message': message})
def run_cora():
np.random.seed(1)
random.seed(1)
num_nodes = 2708
feat_data, labels, adj_lists, IDs = load_cora()
print(feat_data[0])
#assert (0)
features = nn.Embedding(2708, 1433)
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
# features.cuda()
agg1 = MeanAggregator(features, cuda=True)
enc1 = Encoder(features, 1433, 128, adj_lists, agg1, cuda=False)
print(enc1.embed_dim)
#assert (0)
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), cuda=False)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
128,
adj_lists,
agg2,
base_model=enc1,
cuda=False,
text_label="Encoder_1")
agg3 = MeanAggregator(lambda nodes: enc2(nodes).t(), cuda=False)
enc3 = Encoder(lambda nodes: enc2(nodes).t(),
enc2.embed_dim,
128,
adj_lists,
agg3,
base_model=enc1,
cuda=False,
text_label="Encoder_2")
enc1.num_samples = 5
enc2.num_samples = 5
enc3.num_samples = 5
graphsage = SupervisedGraphSage(7, enc2)
# graphsage.cuda()
rand_indices = range(num_nodes)
test = rand_indices[2166:]
val = rand_indices[2165:2166]
train = list(rand_indices[:2165])
print(np.shape(train))
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=0.6,
weight_decay=4e-5)
times = []
best_acc = 0
for batch in range(150):
batch_nodes = train[:256]
random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(
batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
assert (0)
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
if batch % 25 == 0:
val_output = graphsage.forward(val)
val_pridict = val_output.data.numpy().argmax(axis=1)
if best_acc < accuracy_score(labels[val], val_pridict):
best_acc = accuracy_score(labels[val], val_pridict)
if best_acc > 0.80:
output = open('u6014942.csv', 'w')
output.write('id,label\n')
test_output = graphsage.forward(test)
test_pridict = test_output.data.numpy().argmax(axis=1)
print(np.shape(val_pridict))
cnt_output = 0
print(np.shape(IDs))
for i in list(test):
output.write('%s,%s\n' %
(IDs[i], test_pridict[cnt_output] + 1))
cnt_output = cnt_output + 1
print("batch", batch, " Validation accuracy:",
accuracy_score(labels[val], val_pridict), "best_acc:",
best_acc)
#print (batch, loss.data[0])
output = open('u6014942_final.csv', 'w')
output.write('id,label\n')
test_output = graphsage.forward(test)
test_pridict = test_output.data.numpy().argmax(axis=1)
print(np.shape(val_pridict))
cnt_output = 0
print(np.shape(IDs))
for i in list(test):
output.write('%s,%s\n' % (IDs[i], test_pridict[cnt_output] + 1))
cnt_output = cnt_output + 1
#print (val)
#assert (0)
#print ("Validation F1:", accuracy_score(labels[val],val_pridict))
print("Average batch time:", np.mean(times))
def run_graphsage(feat_data,
labels,
adj_lists,
train,
val,
test,
num_classes,
model_class=SupervisedGraphSage):
np.random.seed(1)
random.seed(1)
num_nodes = feat_data.shape[0]
# feat_data, labels, adj_lists = load_cora()
features = nn.Embedding(feat_data.shape[0], feat_data.shape[1])
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
if args.cuda:
features.cuda()
if model_class == SupervisedGraphSageConcat2:
raise NotImplementedError()
# The code seems to be not working...
linear_embed_weights = nn.Parameter(torch.FloatTensor(
feat_data.shape[1], args.hid_units),
requires_grad=True)
init.xavier_uniform(linear_embed_weights)
features.weight = nn.Parameter(
features.weight.mm(linear_embed_weights), requires_grad=False)
agg1 = MeanAggregator(features, cuda=args.cuda, gcn=args.gcn_aggregator)
enc1 = Encoder(features,
features.weight.shape[1],
args.hid_units,
adj_lists,
agg1,
gcn=args.gcn_encoder,
cuda=args.cuda)
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(),
cuda=args.cuda,
gcn=args.gcn_aggregator)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
args.hid_units,
adj_lists,
agg2,
base_model=enc1,
gcn=args.gcn_encoder,
cuda=args.cuda)
enc1.num_samples = args.num_samples[0]
enc2.num_samples = args.num_samples[1]
if model_class == SupervisedGraphSageConcat:
graphsage = model_class(num_classes, enc1, enc2)
elif model_class == SupervisedGraphSageConcat2:
graphsage = model_class(num_classes, enc1, enc2)
else:
graphsage = model_class(num_classes, enc2)
if args.cuda:
graphsage.cuda()
optimizer = torch.optim.SGD(
[p for p in graphsage.parameters() if p.requires_grad], lr=args.lr)
times = []
record_dict = dict()
best_val_record_dict = None
for batch in range(args.epochs):
batch_nodes = train[:args.batch_size]
random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(
batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
train_acc = accuracy(graphsage.forward(train), labels[train])
val_acc = accuracy(graphsage.forward(val), labels[val])
test_acc = accuracy(graphsage.forward(test), labels[test])
print(batch, loss.data, train_acc, val_acc, test_acc)
record_dict.update(
dict(epoch=int(batch + 1),
train_loss=float(loss.data),
train_acc=float(train_acc),
val_acc=float(val_acc),
test_accuracy=float(test_acc),
time=str(end_time - start_time),
early_stopping=False))
if (best_val_record_dict is None) or (record_dict["val_acc"] >=
best_val_record_dict["val_acc"]):
best_val_record_dict = record_dict.copy()
val_output = graphsage.forward(val)
print(
"Validation F1:",
f1_score(labels[val],
val_output.data.numpy().argmax(axis=1),
average="micro"))
print("Average batch time:", np.mean(times))
print(best_val_record_dict)
if args.use_signac:
with open(job.fn("results.json"), "w") as f:
json.dump(best_val_record_dict, f)
print("Results recorded to {}".format(job.fn("results.json")))
job.data[f"correct_label"] = labels
def run_edgelist(
name="chg-miner",
edgelist_path="../data/chg-miner/chg-miner-graph.txt",
label_path="../data/chg-miner/chg-miner-labels.txt",
embedding_path="../poincare/embeddings/poincare_chg_miner_noburn.txt", # used to initialize + for distances
embedding_header=False):
feat_data, labels, adj_lists, num_nodes = load_edgelist(
name, edgelist_path, label_path, embedding_path, embedding_header)
features = nn.Embedding(num_nodes, feat_data.shape[1])
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
# network
node_ordering_embeddings = load_embeddings(embedding_path,
embedding_header)
agg1 = MeanAggregator(features, cuda=True)
enc1 = Encoder(features,
feat_data.shape[1],
128,
adj_lists,
agg1,
gcn=True,
cuda=False,
ordering_embeddings=None)
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), cuda=False)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
128,
adj_lists,
agg2,
base_model=enc1,
gcn=True,
cuda=False,
ordering_embeddings=node_ordering_embeddings)
# make sure we don't sample -- but change this later?
enc1.num_sample = None
enc2.num_sample = None
graphsage = SupervisedGraphSage(max(labels)[0] + 1, enc2)
rand_indices = np.random.permutation(num_nodes)
test = rand_indices[:10]
val = rand_indices[10:11]
train = list(rand_indices[11:])
# 1 for email
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=0.6)
times = []
# embeds = None
for batch in range(1000):
batch_nodes = train[:256]
random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(
batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
# embeds = graphsage.embed(batch_nodes).detach().numpy()
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
print batch, loss.data[0]
val_output = graphsage.forward(test)
print "Test F1:", f1_score(labels[test],
val_output.data.numpy().argmax(axis=1),
average="macro")
print "Test Accuracy:", accuracy_score(
labels[test],
val_output.data.numpy().argmax(axis=1))
print "Average batch time:", np.mean(times)
out = open('embeddings/' + 'graphsage_' + edgelist_path.split('/')[-1],
'wb+')
embeddings = graphsage.embed(np.arange(num_nodes)).detach().numpy()
for i in range(0, embeddings.shape[0]):
s = str(int(i)) + ' '
s += ' '.join([str(x) for x in embeddings[i]])
s += '\n'
out.write(s)
out.close()
for key in {
'num_data_points', 'vocab_size', 'max_ques_count', 'max_ques_len',
'max_ans_len'
}:
setattr(model_args, key, getattr(dataset, key))
# iterations per epoch
setattr(args, 'iter_per_epoch',
math.ceil(dataset.num_data_points['train'] / args.batch_size))
print("{} iter per epoch.".format(args.iter_per_epoch))
# ----------------------------------------------------------------------------
# setup the model
# ----------------------------------------------------------------------------
encoder = Encoder(model_args)
decoder = Decoder(model_args, encoder)
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(list(encoder.parameters()) + list(decoder.parameters()),
lr=args.lr)
scheduler = lr_scheduler.StepLR(optimizer,
step_size=1,
gamma=args.lr_decay_rate)
if args.load_path != '':
encoder.load_state_dict(components['encoder'])
decoder.load_state_dict(components['decoder'])
optimizer.load_state_dict(components['optimizer'])
# cuda enabled optimizer, see:
for state in optimizer.state.values():
for k, v in state.items():
# Clean up encoders
encoder.cleanup()
# Clean up distance sensors
tof.cleanup()
print("Exiting")
exit()
# Attach the Ctrl+C signal interrupt
signal.signal(signal.SIGINT, ctrlC)
# Setup encoder
encoder = Encoder()
encoder.initEncoders()
# Setup motor control
motorControl = MotorControl(encoder)
orientation = Orientation(encoder, motorControl)
tof = TOF()
pid = PID(0.5, -6, 6)
try:
with open('calibratedSpeeds.json') as json_file:
motorControl.speedMap = json.load(json_file)
def run_cora():
np.random.seed(1)
random.seed(1)
# load data
num_nodes = 2708
feat_data, labels, adj_lists = load_cora()
train, test, val = split_data(labels)
# construct model
## layer1 : Embedding layer
features = nn.Embedding(feat_data.shape[0], feat_data.shape[1])
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
#features.cuda()
## layer2 : Sample and Aggregate 1433->128
agg1 = MeanAggregator(features, cuda=True)
enc1 = Encoder(features, 1433, 128, adj_lists, agg1, gcn=True, cuda=False)
## layer3 : Sample and Aggregate 128->128
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), cuda=False)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
128,
adj_lists,
agg2,
base_model=enc1,
gcn=True,
cuda=False)
## layer4 : Classification layer
enc1.num_samples = 5
enc2.num_samples = 5
graphsage = SupervisedGraphSage(7, enc2)
# optimizer
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=0.7)
times = []
for batch in range(100):
batch_nodes = train[:256]
random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss = graphsage.loss(
batch_nodes,
Variable(torch.LongTensor(labels[np.array(batch_nodes)])))
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
if batch % 10 == 0:
print batch, float(loss.data)
print 'Finished training.'
print '******************************'
test_output = graphsage.forward(test)
test_onehot = test_output.data.numpy()
test_labels = labels[test]
test_preds = np.argmax(test_onehot, axis=1)
print 'Test Accuracy:', accuracy_score(test_labels, test_preds)
print 'Average batch time: ', np.mean(times)
# transfer some useful args from dataloader to model
for key in {
'num_data_points', 'vocab_size', 'max_ques_count', 'max_ques_len',
'max_ans_len'
}:
setattr(model_args, key, getattr(dataset, key))
# iterations per epoch
setattr(args, 'iter_per_epoch',
math.floor(dataset.num_data_points['train'] / args.batch_size))
print("{} iter per epoch.".format(args.iter_per_epoch))
# ----------------------------------------------------------------------------
# setup the model
# ----------------------------------------------------------------------------
encoder = Encoder(model_args)
decoder = Decoder(model_args, encoder)
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(list(encoder.parameters()) + list(decoder.parameters()),
lr=args.lr,
weight_decay=args.weight_decay)
encoder.word_embed.init_embedding('data/glove/glove6b_init_300d_1.0.npy')
start_epoch = 0
if args.load_path != '':
components = torch.load(args.load_path)
encoder.load_state_dict(components.get('encoder', components))
decoder.load_state_dict(components.get('decoder', components))
optimizer.load_state_dict(components.get('optimizer', components))
start_epoch = components['epoch']
print("Loaded model from {}".format(args.load_path))
# ----------------------------------------------------------------------------
dataset = VisDialDataset(args, [args.split])
dataloader = DataLoader(dataset,
batch_size=args.batch_size,
shuffle=False,
collate_fn=dataset.collate_fn)
# iterations per epoch
setattr(args, 'iter_per_epoch',
math.floor(dataset.num_data_points[args.split] / args.batch_size))
print("{} iter per epoch.".format(args.iter_per_epoch))
# ----------------------------------------------------------------------------
# setup the model
encoder = Encoder(model_args)
decoder = Decoder(model_args, encoder)
encoder = nn.DataParallel(encoder).cuda()
decoder = nn.DataParallel(decoder).cuda()
encoder.load_state_dict(components.get('encoder', components))
decoder.load_state_dict(components.get('decoder', components))
print("Loaded model from {}".format(args.load_path))
if args.gpuid >= 0:
encoder = encoder.cuda()
decoder = decoder.cuda()
# ----------------------------------------------------------------------------
# evaluation
class Trainer:
def __init__(self, experiment, label_type, lr, weight_decay, num_directions, batch_size, num_epochs, threshold, hidden_size,
dropout):
self.experiment = experiment
self.label_type = label_type
self.lr = lr
self.weight_decay = weight_decay
self.num_directions = num_directions
self.batch_size = batch_size
self.num_epochs = num_epochs
with open("public_data/vocab/word2id.pkl", 'rb') as infile:
self.word2id = pickle.load(infile)
self.train_dataset = BinaryPairDataset("train", label_type, threshold)
self.valid_dataset = BinaryPairDataset("valid", label_type, threshold)
self.orig_labels = self.train_dataset.orig_labels
self.collection = IR_Dataset("train", label_type, threshold, "above_threshold")
self.queries = IR_Dataset("valid", label_type, threshold, "above_threshold")
with open("public_data/vocab/word2id.pkl", 'rb') as infile:
self.word2id = pickle.load(infile)
with open("public_data/embeddings/word_embeddings_%s.pkl" %self.experiment, 'rb') as infile:
embeddings = pickle.load(infile)
self.model = Encoder(embeddings=embeddings, dropout=dropout,
hidden_size=hidden_size, num_directions=num_directions)
if torch.cuda.is_available():
self.model = self.model.cuda()
self.float = torch.cuda.FloatTensor
self.long = torch.cuda.LongTensor
else:
self.float = torch.FloatTensor
self.long = torch.LongTensor
log('============ EXPERIMENT ID ============')
id = str(uuid.uuid4())[:8]
log("Files will be stored with id %s" % id)
self.save_as = "_".join([self.experiment, label_type, str(threshold), "pair_cel", id])
with open("public_data/models/configuration_classifier_%s.pkl" % self.save_as, 'wb') as out:
pickle.dump({"NUM_TRAIN": len(self.train_dataset.df), "NUM_VALID": len(self.valid_dataset.df),
"DROPOUT": dropout, "HIDDEN_SIZE": hidden_size, "NUM_DIR": num_directions,
"EMB_SHAPE": embeddings.shape, "LABEL_TYPE": label_type,
"THRESHOLD": threshold, "LABELS": self.orig_labels}, out)
self.run_training()
def train(self, train_loader):
"""
Trains the model
:param train_loader: training documents
:return: training acc & loss
"""
self.model.train()
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad, self.model.parameters()), lr=self.lr,
weight_decay=self.weight_decay)
loss_func = torch.nn.CosineEmbeddingLoss()
sum_loss = 0
for batch_id, (text_a, text_b, label) in enumerate(train_loader):
last_hidden_a = self.model(text_a.type(self.long))
last_hidden_b = self.model(text_b.type(self.long))
for i in range(len(label)):
if label[i] == 0.0:
label[i] = -1.0
cur_loss = loss_func(last_hidden_a, last_hidden_b, label.type(self.float))
sum_loss += cur_loss.data
cur_loss.backward()
optimizer.step()
optimizer.zero_grad()
train_loss = sum_loss/len(self.train_dataset.df)
return train_loss
def validate(self, valid_loader):
"""
Validates model
:param valid_loader: validation documents
:return: validation acc & loss
"""
self.model.eval()
loss_func = torch.nn.CosineEmbeddingLoss()
sum_loss = 0
for batch_id, (text_a, text_b, label) in enumerate(valid_loader):
last_hidden_a = self.model(text_a.type(self.long))
last_hidden_b = self.model(text_b.type(self.long))
for i in range(len(label)):
if label[i] == 0.0:
label[i] = -1.0
cur_loss = loss_func(last_hidden_a, last_hidden_b, label.type(self.float))
sum_loss += cur_loss.data
valid_loss = sum_loss / len(self.valid_dataset.df)
return valid_loss
def validate_ir(self, collection_loader, queries_loader):
"""
Computes MAP on last hidden states during classifier training
:param collection_loader: documents in the collection
:param queries_loader: query documents
:return: mean average precision
"""
collection = extract_from_model(doc_repr="hidden", sequences=collection_loader, model=self.model)
queries = extract_from_model(doc_repr="hidden", sequences=queries_loader, model=self.model)
index = build_index(collection=collection)
top_doc_ids, _ = search_index(index=index, k=len(self.collection.df), queries=queries)
map = compute_mean_avg_prec(top_doc_ids=top_doc_ids, train_df=self.collection.df,
test_df=self.queries.df, label_type=self.label_type)
return map
def run_training(self):
"""
Runs the training and validation, computes the MAP, plots the results
"""
train_loader = DataLoader(self.train_dataset, batch_size=self.batch_size, shuffle=True)
valid_loader = DataLoader(self.valid_dataset, batch_size=self.batch_size, shuffle=True)
collection_loader = DataLoader(self.collection, batch_size=64, shuffle=False)
queries_loader = DataLoader(self.queries, batch_size=64, shuffle=False)
log('============ IR DATA ============')
log("Corpus examples: %d, query examples: %d" %(len(self.collection.df), len(self.queries.df)))
log('============ TRAINING & VALIDATION ============')
log("%d original classes, %d training examples, %d validation examples" % (
len(self.orig_labels), len(self.train_dataset.df), len(self.valid_dataset.df)))
train_losses = []
valid_losses = []
mean_avg_precs = []
best_map = -1
for epoch in range(self.num_epochs):
log("Epoch: %d/%d ..." % (epoch, self.num_epochs))
train_loss = self.train(train_loader)
valid_loss = self.validate(valid_loader)
train_losses.append(train_loss)
valid_losses.append(valid_loss)
map = self.validate_ir(collection_loader, queries_loader)
mean_avg_precs.append(map)
if map > best_map:
best_map = map
torch.save(self.model.state_dict(), "public_data/models/experiment_%s/classifier_%s.pkl"
% (self.save_as.split("_")[0], self.save_as))
log("TrainLoss: %.3f " %train_loss + "ValidLoss: %.3f " %valid_loss + "MAP: %.3f " %map )
plot_training(train_losses, valid_losses, "loss", "_".join([self.save_as, "loss"]))
plot_ir(values=mean_avg_precs, save_as=self.save_as, title="Mean Average Precision", name="map")
return train_losses, valid_losses
def run_data(input_node, input_edge_train, input_edge_test, output_file, name):
feat_data, edge_train, label_train, edge_test, label_test, adj_lists, adj_time = load_data(
input_node, input_edge_train, input_edge_test)
print("Finish Loading Data")
features = nn.Embedding(len(feat_data), 1000)
features.weight = nn.Parameter(torch.FloatTensor(feat_data),
requires_grad=False)
#features.cuda()
agg1 = MeanAggregator(features, cuda=True)
enc1 = Encoder(features,
1000,
dimension,
adj_lists,
adj_time,
agg1,
gcn=True,
cuda=False)
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), cuda=False)
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
dimension,
adj_lists,
adj_time,
agg2,
base_model=enc1,
gcn=True,
cuda=False)
enc1.num_samples = 5
enc2.num_samples = 5
enc2.last = True
graphsage = SupervisedGraphSage(2, enc2, name)
#graphsage.cuda()
#f=open('result_test'+name+'_'+file+"_"+str(dimension),'a+')
f = open(output_file, 'a+')
f.write("Training\n")
#f.close()
for epoch in range(0, 20):
#f = open('result_test'+name+'_'+file+"_"+str(dimension), 'a+')
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=0.7)
optimizer.zero_grad()
f.write("epoch " + str(epoch) + "\n")
loss, predict_y = graphsage.loss(
Variable(torch.LongTensor(label_train)), agg1, agg2, edge_train)
print("AUC: " + str(metrics.roc_auc_score(label_train, predict_y)) +
"\n")
f.write("AUC: " + str(metrics.roc_auc_score(label_train, predict_y)) +
"\n")
loss.backward()
optimizer.step()
#f.close()
#gc.collect()
#f = open('result_test'+name+'_'+file+"_"+str(dimension), 'a+')
f.write("Testing\n")
loss, predict_y = graphsage.loss(Variable(torch.LongTensor(label_test)),
agg1, agg2, edge_test)
f.write("AUC: " + str(metrics.roc_auc_score(label_test, predict_y)) + "\n")
predict_y1 = []
for i in range(0, len(predict_y)):
if predict_y[i] > 0.5:
predict_y1.append(1)
else:
predict_y1.append(0)
f.write("Micro-f1 score: " +
str(metrics.f1_score(label_test, predict_y1, average="micro")) +
"\n")
f.write("Macro-f1 score: " +
str(metrics.f1_score(label_test, predict_y1, average="macro")) +
"\n")
f.write("recall: " + str(metrics.recall_score(label_test, predict_y1)) +
"\n")
f.close()
def train_batch(solver_base,
data_loader,
total_loss,
rep,
epoch,
model_list,
device,
batch_replication,
hidden_dimension,
feature_dim,
train_graph_recurrence_num,
train_outer_recurrence_num,
use_cuda=True,
is_train=True,
randomized=True):
# np.random.seed(1)
random.seed(1)
'''优化参数列表'''
optim_list = [{
'params':
filter(lambda p: p.requires_grad, model.parameters())
} for model in model_list]
total_example_num = 0
'''# 下标起始位置为1,每次读入为 dalaloader 里的一项'''
for (j, data) in enumerate(data_loader, 1):
segment_num = len(data[0])
print('Train CNF:', j)
for seg in range(segment_num):
'''将读进来的data放进gpu'''
(graph_map, batch_variable_map, batch_function_map, edge_feature,
graph_feat, label, answers, var,
func) = [_to_cuda(d[seg], use_cuda, device) for d in data]
total_example_num += (batch_variable_map.max() + 1)
sat_problem = SATProblem(
(graph_map, batch_variable_map, batch_function_map,
edge_feature, answers, None), device, batch_replication)
loss = torch.zeros(1, device=device, requires_grad=False)
# '''将所有CNF的答案拼接起来, 有解才执行 graphSage 模型'''
# if len(answers[0].flatten()) > 0:
# answers = np.concatenate(answers, axis = 0)
'''展开所有子句的变量(绝对值)'''
variable_map = torch.cat(
((torch.abs(sat_problem.nodes).to(torch.long) - 1).reshape(
1, -1), graph_map[1].to(torch.long).reshape(1, -1)),
dim=0)
'''feat_data 为输入 CNF 的[变量, 子句]矩阵'''
feat_data = torch.sparse.FloatTensor(
variable_map, edge_feature.squeeze(1),
torch.Size([sum(var), sum(func)])).to_dense()
# feat_data = feat_data[np.argwhere(torch.sum(torch.abs(feat_data), 1) > 0)[0]]
num_nodes_x = feat_data.shape[0]
num_nodes_y = feat_data.shape[1]
'''编码读入的数据'''
features = nn.Embedding(num_nodes_x, num_nodes_y)
'''用sp模型初始化的data作为特征值的权重'''
features.weight = nn.Parameter(feat_data, requires_grad=False)
if use_cuda:
features = features.cuda()
agg1 = MeanAggregator(features, device=device)
enc1 = Encoder(device,
features,
num_nodes_y,
sat_problem._edge_num,
sat_problem.adj_lists,
sat_problem.node_adj_lists,
agg1,
gru=True)
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), device=device)
enc2 = Encoder(device,
lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
sat_problem._edge_num,
sat_problem.adj_lists,
sat_problem.node_adj_lists,
agg2,
base_model=enc1,
gru=False)
enc1.num_samples = 15
enc2.num_samples = 5
graphsage = SupervisedGraphSage(device, hidden_dimension,
feature_dim, enc2, 'sp-nueral')
'''优化参数列表增加graphSAGE模型参数'''
optim_list.append({
'params':
filter(lambda p: p.requires_grad, graphsage.parameters())
})
optimizer = torch.optim.SGD(optim_list, lr=0.3, weight_decay=0.01)
optimizer.zero_grad()
nodes = [i for i in range(sat_problem._variable_num)]
# sample_length = int(len(nodes)/train_outer_recurrence_num)
for i in range(train_graph_recurrence_num):
loss += graphsage.loss(nodes, sat_problem, i <
(train_graph_recurrence_num - 1))
# else:
# # optimizer = torch.optim.SGD(optim_list, lr = 0.3, weight_decay = 0.01)
# optimizer = torch.optim.Adam(optim_list, lr = 0.3, weight_decay = 0.01)
# optimizer.zero_grad()
for (k, model) in enumerate(model_list):
'''初始化变量state, 可选择随机是否随机初始化 其中 batch_replication 表示同一个CNF数据重复次数'''
state = _module(model).get_init_state(graph_map, randomized,
batch_replication)
'''train_outer_recurrence_num 代表同一组数据重新训练的次数, loss叠加'''
for i in torch.arange(train_outer_recurrence_num,
dtype=torch.int32,
device=device):
variable_prediction, state = model(init_state=state,
sat_problem=sat_problem,
is_training=True)
'''计算 sp_aggregator 的loss'''
# loss += model.compute_loss(is_train, variable_prediction, label, sat_problem._graph_map,
# sat_problem._batch_variable_map, sat_problem._batch_function_map,
# sat_problem._edge_feature, sat_problem._meta_data)
loss += solver_base._compute_loss(_module(model), None,
is_train,
variable_prediction,
label, sat_problem)
for p in variable_prediction:
del p
for s in state:
del s
print('rep: %d, epoch: %d, data segment: %d, loss: %f' %
(rep, epoch, seg, loss))
total_loss[k] += loss.detach().cpu().numpy()
loss.backward()
optimizer.step()
for model in model_list:
_module(model)._global_step += 1
del graph_map
del batch_variable_map
del batch_function_map
del graph_feat
del label
del edge_feature
return total_loss / total_example_num.cpu().numpy()
def test_pid(kp, ki, kd, stime, use_pid=True):
left_encoder = Encoder(motor_pin_a=cfg.LEFT_MOTOR_PIN_A,
motor_pin_b=cfg.LEFT_MOTOR_PIN_B,
sampling_time_s=stime)
left_encoder_counter = EncoderCounter(encoder=left_encoder)
left_encoder_counter.start()
pid_controller = PIDController(proportional_coef=kp,
integral_coef=ki,
derivative_coef=kd,
windup_guard=cfg.PID_WINDUP_GUARD,
current_time=None)
max_steps_velocity_sts = cfg.ENCODER_RESOLUTION * cfg.MAX_ANGULAR_VELOCITY_RPM / 60
kit = MotorKit(0x40)
left_motor = kit.motor1
velocity_levels = [1000, 2000, 3000, 4000, 5000, 6000, 0]
velocity_levels = [3000, 0]
sleep_time = 5
velocities_level_records = deque([])
velocities_steps_records = deque([])
pid_velocities_steps_records = deque([])
timestamps_records = deque([])
for v in velocity_levels:
pid_controller.reset()
pid_controller.set_set_point(v)
left_motor.throttle = max(min(1, v / max_steps_velocity_sts), 0)
start = time.time()
current_time = time.time()
while current_time - start < sleep_time:
timestamp, measured_steps_velocity_sts = left_encoder_counter.get_velocity(
)
# PID control
if use_pid:
new_steps_velocity_sts = pid_controller.update(
-measured_steps_velocity_sts, current_time)
left_motor.throttle = max(
min(1, new_steps_velocity_sts / max_steps_velocity_sts), 0)
else:
new_steps_velocity_sts = -1
velocities_level_records.append(v)
velocities_steps_records.append(-measured_steps_velocity_sts)
pid_velocities_steps_records.append(new_steps_velocity_sts)
timestamps_records.append(timestamp)
current_time = time.time()
left_motor.throttle = 0
left_encoder_counter.finish()
records_left = pd.DataFrame({
'velocity_steps': velocities_steps_records,
'velocity_levels': velocities_level_records,
'pid_velocity_steps': pid_velocities_steps_records,
'timestamp': timestamps_records
})
records_left['velocity_ms'] = records_left[
'velocity_steps'] * cfg.WHEEL_DIAMETER_MM * np.pi / (
1000 * cfg.ENCODER_RESOLUTION)
records_left.set_index('timestamp', drop=True)
return records_left
def run_model(self):
np.random.seed(1)
random.seed(1)
# feat_data, labels, adj_lists = load_cora()
features = nn.Embedding(self.num_nodes, self.num_feats)
features.weight = nn.Parameter(torch.FloatTensor(self.feat_data),
requires_grad=False)
print('Features weight initialized')
# features.cuda()
if self.if_cuda:
features = features.cuda()
agg1 = MeanAggregator(features, cuda=self.if_cuda)
print('Agg 1 Initialized')
enc1 = Encoder(features,
self.num_feats,
128,
self.adj_lists,
agg1,
gcn=True,
cuda=self.if_cuda)
print('Encoder 1 Initialized')
agg2 = MeanAggregator(lambda nodes: enc1(nodes).t(), cuda=self.if_cuda)
print('Agg 2 Initialized')
enc2 = Encoder(lambda nodes: enc1(nodes).t(),
enc1.embed_dim,
64,
self.adj_lists,
agg2,
base_model=enc1,
gcn=True,
cuda=self.if_cuda)
print('Encoder 2 Initialized')
enc1.num_sample = 6
enc2.num_sample = 4
graphsage = SupervisedGraphSage(enc2)
print('Model is Initialized')
print('Model Weights : ')
print(enc1.weight)
print(enc2.weight)
print('End')
# graphsage.cuda()
train_dataset = Question_Ans(self.df,
mode='train',
umap=self.user_map,
qmap=self.question_map)
val_dataset = Question_Ans(self.df,
mode='val',
umap=self.user_map,
qmap=self.question_map)
print('Dataloader Class Called')
train_dataloader = torch.utils.data.DataLoader(
train_dataset, batch_size=self.batch_size, shuffle=True)
val_dataloader = torch.utils.data.DataLoader(
val_dataset, batch_size=self.batch_size, shuffle=False)
print('Dataloaded')
# rand_indices = np.random.permutation(num_nodes)
# test = rand_indices[:1000]
# val = rand_indices[1000:1500]
# train = list(rand_indices[1500:])
optimizer = torch.optim.SGD(filter(lambda p: p.requires_grad,
graphsage.parameters()),
lr=self.lr)
times = []
for epoch in range(self.num_epochs):
phase = 'train'
batch = 0
# print('Printing Num Samples')
# print('Enc2 : ', graphsage.enc.num_sample)
# print('Enc2 features : ', graphsage.enc.features)
# print('Hey')
# print('Enc1 : ', graphsage.enc..num_samples)
running_loss = 0
tk0 = tqdm(train_dataloader, total=int(len(train_dataloader)))
confusion_matrix_train = [[0, 0], [0, 0]]
for questions, users, ans in tk0:
batch += 1
# batch_nodes = train[:256]
# random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
if (self.if_cuda):
ans = ans.type(torch.cuda.FloatTensor)
else:
ans = ans.type(torch.FloatTensor)
# print(questions,users)
loss, preds = graphsage.loss(questions, users, ans)
for i, x in enumerate(preds):
confusion_matrix_train[int(preds[i])][int(ans[i])] += 1
metrics = get_metrics(confusion_matrix_train)
loss.backward()
optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
running_loss += loss.data
tk0.set_postfix(loss=(running_loss /
(batch * train_dataloader.batch_size)),
suffix=str(metrics))
# tk0.set_postfix(suffix=str(metrics))
if (batch % 1000 == 0):
print(confusion_matrix_train)
val_losses = []
batch = 0
running_loss = 0
confusion_matrix_val = [[0, 0], [0, 0]]
tk1 = tqdm(val_dataloader, total=int(len(val_dataloader)))
for questions, users, ans in tk1:
batch += 1
# batch_nodes = train[:256]
# random.shuffle(train)
start_time = time.time()
optimizer.zero_grad()
loss, preds = graphsage.loss(questions, users, ans)
for i, x in enumerate(preds):
confusion_matrix_val[int(preds[i])][int(ans[i])] += 1
metrics = get_metrics(confusion_matrix_val)
val_losses.append(loss)
# loss.backward()
# optimizer.step()
end_time = time.time()
times.append(end_time - start_time)
running_loss += loss.data
tk1.set_postfix(loss=(running_loss /
(batch * val_dataloader.batch_size)),
suffix=str(metrics))
# tk1.set_postfix(suffix=str(metrics))
if (batch % 1000 == 0):
print(confusion_matrix_val)
# val_output = graphsage.l(val)
# print("Validation F1:", f1_score(labels[val], val_output.data.numpy().argmax(axis=1), average="micro"))
# print("Average batch time:", np.mean(times))
return val_losses, graphsage
dataset = VisDialDataset(args, [args.split])
dataloader = DataLoader(dataset,
batch_size=args.batch_size,
shuffle=False,
collate_fn=dataset.collate_fn)
# iterations per epoch
setattr(args, 'iter_per_epoch',
math.ceil(dataset.num_data_points[args.split] / args.batch_size))
print("{} iter per epoch.".format(args.iter_per_epoch))
# ----------------------------------------------------------------------------
# setup the model
# ----------------------------------------------------------------------------
encoder = Encoder(model_args)
encoder.load_state_dict(components['encoder'])
decoder = Decoder(model_args, encoder)
decoder.load_state_dict(components['decoder'])
print("Loaded model from {}".format(args.load_path))
if args.gpuid >= 0:
encoder = encoder.cuda()
decoder = decoder.cuda()
# ----------------------------------------------------------------------------
# evaluation
# ----------------------------------------------------------------------------
print("Evaluation start time: {}".format(
pad_id = ConstituentDataset.encoder.tokenizer.pad_token_id
batch_size = len(sents)
padded_sents = pad_id * torch.ones(batch_size, max_length).long()
for i, sent in enumerate(sents):
padded_sents[i, :sent.shape[1]] = sent[0, :]
spans = torch.cat(spans, dim=0)
one_hot_labels = torch.zeros(batch_size,
len(ConstituentDataset.label_dict)).long()
for i, item in enumerate(labels):
for l in item:
one_hot_labels[i, l] = 1
return padded_sents, spans, one_hot_labels
# unit test
if __name__ == '__main__':
from torch.utils.data import DataLoader
from encoders import Encoder
encoder = Encoder('bert', 'base', True)
for split in ['train', 'development', 'test']:
dataset = ConstituentDataset(
f'tasks/constituent/data/edges/ontonotes/const/'
f'debug/{split}.json', encoder)
data_loader = DataLoader(dataset, 64, collate_fn=collate_fn)
for sents, spans, labels in data_loader:
pass
print(f'Split "{split}" has passed the unit test '
f'with {len(dataset)} instances.')
from IPython import embed
embed(using=False)
