def hyperband_original(self, hyper_params, epochs):
train_feature_input, train_label_input = load_train_dataset(self.hp_dataset)
eval_feature_input, eval_label_input = load_eval_dataset(self.hp_dataset)
graph = tf.Graph()
with graph.as_default():
features = tf.placeholder(tf.float32, [None, self.img_width, self.img_height, self.num_channel])
labels = tf.placeholder(tf.int64, [None, self.num_class])
dt = datetime.now()
np.random.seed(dt.microsecond)
net_instnace = np.random.randint(sys.maxsize)
model_arch = hyper_params[0]
model_type = model_arch.split('-')[0]
model_layer = int(model_arch.split('-')[1])
batch_size = hyper_params[1]
opt = hyper_params[2]
learning_rate = hyper_params[3]
activation = hyper_params[4]
print("\n** model: {} | batch size: {} | opt: {} | model layer: {} | learn rate: {} | act: {} **"
.format(model_type, batch_size, opt, model_layer, learning_rate, activation))
dm = ModelImporter(model_type,
str(net_instnace),
model_layer,
self.img_height,
self.img_width,
self.num_channel,
self.num_class,
batch_size,
opt,
learning_rate,
activation,
batch_padding=False)
model_entity = dm.get_model_entity()
model_logit = model_entity.build(features, is_training=True)
train_op = model_entity.train(model_logit, labels)
eval_op = model_entity.evaluate(model_logit, labels)
if self.hp_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
with tf.Session(graph=graph, config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // batch_size
for e in range(epochs):
for i in range(num_batch):
# print('epoch %d / %d, step %d / %d' %(e+1, epochs, i+1, num_batch))
batch_offset = i * batch_size
batch_end = (i + 1) * batch_size
if self.hp_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(self.hp_dataset,
batch_list,
self.img_height,
self.img_width)
else:
train_feature_batch = train_feature_input[batch_offset:batch_end]
train_label_batch = train_label_input[batch_offset:batch_end]
sess.run(train_op, feed_dict={features: train_feature_batch, labels: train_label_batch})
if self.hp_dataset == 'imagenet':
acc_sum = 0
imagenet_batch_size_eval = 50
num_batch_eval = eval_label_input.shape[0] // imagenet_batch_size_eval
test_image_list = sorted(os.listdir(eval_feature_input))
for n in range(num_batch_eval):
batch_offset = n * imagenet_batch_size_eval
batch_end = (n + 1) * imagenet_batch_size_eval
test_batch_list = test_image_list[batch_offset:batch_end]
test_feature_batch = load_imagenet_raw(eval_feature_input,
test_batch_list,
self.img_height,
self.img_width)
test_label_batch = eval_label_input[batch_offset:batch_end]
acc_batch = sess.run(eval_op, feed_dict={features: test_feature_batch, labels: test_label_batch})
acc_sum += acc_batch
acc_avg = acc_sum / num_batch_eval
else:
acc_avg = sess.run(eval_op, feed_dict={features: eval_feature_input, labels: eval_label_input})
print(f'Accuracy: {acc_avg}')
return acc_avg
def train_pack():
print('start training pack')
rand_seed_pack = cfg_para.multi_rand_seed
model_type_list = cfg_para.multi_model_type
optimizer_list = cfg_para.multi_opt
num_layer_list = cfg_para.multi_num_layer
activation_list = cfg_para.multi_activation
batch_size_list = cfg_para.multi_batch_size
learning_rate_list = cfg_para.multi_learning_rate
if len(set(batch_size_list)) == 1:
is_batch_padding = False
else:
is_batch_padding = True
num_epoch = cfg_para.multi_num_epoch
train_dataset = cfg_para.multi_train_dataset
use_tf_timeline = cfg_para.single_use_tb_timeline
max_batch_size = max(batch_size_list)
#################################################
# load dataset
#################################################
img_width, img_height, num_channel, num_class = load_dataset_para(
train_dataset)
train_feature_input, train_label_input = load_train_dataset(train_dataset)
#########################
# build packed model
#########################
features = tf.placeholder(tf.float32,
[None, img_width, img_height, num_channel])
labels = tf.placeholder(tf.int64, [None, num_class])
model_name_abbr = np.random.choice(rand_seed_pack,
len(model_type_list),
replace=False).tolist()
train_op_pack = list()
for midx, mt in enumerate(model_type_list):
dm = ModelImporter(mt,
str(model_name_abbr.pop()),
num_layer_list[midx],
img_height,
img_width,
num_channel,
num_class,
batch_size_list[midx],
optimizer_list[midx],
learning_rate_list[midx],
activation_list[midx],
batch_padding=is_batch_padding)
model_entity = dm.get_model_entity()
model_logit = model_entity.build(features, is_training=True)
train_op = model_entity.train(model_logit, labels)
train_op_pack.append(train_op)
#########################
# train packed model
#########################
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
step_time = 0
step_count = 0
if train_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
overall_time_start = timer()
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // max_batch_size
for e in range(num_epoch):
for i in range(num_batch):
print('epoch %d / %d, step %d / %d' %
(e + 1, num_epoch, i + 1, num_batch))
if i != 0:
start_time = timer()
batch_offset = i * max_batch_size
batch_end = (i + 1) * max_batch_size
if train_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(
train_feature_input, batch_list, img_height, img_width)
else:
train_feature_batch = train_feature_input[
batch_offset:batch_end]
train_label_batch = train_label_input[batch_offset:batch_end]
if use_tf_timeline:
profile_path = cfg_path.profile_path
run_options = tf.RunOptions(
trace_level=tf.RunOptions.FULL_TRACE)
run_metadata = tf.RunMetadata()
sess.run(train_op_pack,
feed_dict={
features: train_feature_batch,
labels: train_label_batch
},
options=run_options,
run_metadata=run_metadata)
trace = timeline.Timeline(
step_stats=run_metadata.step_stats)
trace_file = open(
profile_path + '/' +
'-'.join(map(str, set(model_type_list))) + '-' +
str(len(model_type_list)) +
'-'.join(map(str, set(batch_size_list))) + '-' +
str(i) + '.json', 'w')
trace_file.write(
trace.generate_chrome_trace_format(show_dataflow=True,
show_memory=True))
else:
sess.run(train_op_pack,
feed_dict={
features: train_feature_batch,
labels: train_label_batch
})
if i != 0:
end_time = timer()
dur_time = end_time - start_time
print("step time:", dur_time)
step_time += dur_time
step_count += 1
overall_time_end = timer()
overall_time = overall_time_end - overall_time_start
print(
f'overall training time (s):{overall_time}, average step time (ms):{step_time / step_count * 1000}'
)
def hyperband_pack_knn(self, confs, epochs):
train_feature_input, train_label_input = load_train_dataset(self.hp_dataset)
features = tf.placeholder(tf.float32, [None, self.img_width, self.img_height, self.num_channel])
labels = tf.placeholder(tf.int64, [None, self.num_class])
dt = datetime.now()
np.random.seed(dt.microsecond)
net_instnace = np.random.randint(sys.maxsize, size=len(confs))
desire_epochs = epochs
entity_pack = list()
train_pack = list()
eval_pack = list()
batch_size_set = set()
for cidx, cf in enumerate(confs):
model_arch = cf[0]
model_type = model_arch.split('-')[0]
model_layer = int(model_arch.split('-')[1])
batch_size = cf[1]
batch_size_set.add(batch_size)
opt = cf[2]
learning_rate = cf[3]
activation = cf[4]
desire_steps = train_label_input.shape[0] // batch_size
dm = ModelImporter(model_type,
str(net_instnace[cidx]),
model_layer,
self.img_height,
self.img_width,
self.num_channel,
self.num_class,
batch_size, opt,
learning_rate,
activation,
batch_padding=True)
model_entity = dm.get_model_entity()
model_entity.set_desire_epochs(desire_epochs)
model_entity.set_desire_steps(desire_steps)
model_logit = model_entity.build(features, is_training=True)
train_op = model_entity.train(model_logit, labels)
eval_op = model_entity.evaluate(model_logit, labels)
entity_pack.append(model_entity)
train_pack.append(train_op)
eval_pack.append(eval_op)
if self.hp_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
config = tf.ConfigProto()
config.allow_soft_placement = True
config.gpu_options.allow_growth = True
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
max_bs = max(batch_size_set)
complete_flag = False
while len(train_pack) != 0:
num_steps = train_label_input.shape[0] // max_bs
for i in range(num_steps):
print('step %d / %d' % (i + 1, num_steps))
batch_offset = i * max_bs
batch_end = (i + 1) * max_bs
if self.hp_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(train_feature_input,
batch_list,
self.img_height,
self.img_width)
else:
train_feature_batch = train_feature_input[batch_offset:batch_end]
train_label_batch = train_label_input[batch_offset:batch_end]
sess.run(train_pack, feed_dict={features: train_feature_batch, labels: train_label_batch})
for me in entity_pack:
me.set_current_step()
if me.is_complete_train():
print("model has been trained completely:{}".format(me.get_model_instance_name()))
sess.run(me.set_batch_size(train_label_input.shape[0]))
train_pack.remove(me.get_train_op())
complete_flag = True
if len(train_pack) == 0:
break
if complete_flag:
batch_size_set.discard(max_bs)
max_bs = max(batch_size_set)
complete_flag = False
break
acc_pack = evaluate_pack_model(sess, features, labels, eval_pack)
print(f'Accuracy: {acc_pack}')
return acc_pack
def hyperband_pack_bs(self, batch_size, confs, epochs):
train_feature_input, train_label_input = load_train_dataset(self.hp_dataset)
features = tf.placeholder(tf.float32, [None, self.img_width, self.img_height, self.num_channel])
labels = tf.placeholder(tf.int64, [None, self.num_class])
dt = datetime.now()
np.random.seed(dt.microsecond)
net_instnace = np.random.randint(sys.maxsize, size=len(confs))
train_pack = list()
eval_pack = list()
for cidx, civ in enumerate(confs):
model_arch = civ[0]
model_type = model_arch.split('-')[0]
model_layer = int(model_arch.split('-')[1])
opt = civ[2]
learning_rate = civ[3]
activation = civ[4]
dm = ModelImporter(model_type,
str(net_instnace[cidx]),
model_layer,
self.img_height,
self.img_width,
self.num_channel,
self.num_class,
batch_size,
opt,
learning_rate,
activation,
batch_padding=False)
model_entity = dm.get_model_entity()
model_logit = model_entity.build(features, is_training=True)
train_op = model_entity.train(model_logit, labels)
eval_op = model_entity.evaluate(model_logit, labels)
train_pack.append(train_op)
eval_pack.append(eval_op)
if self.hp_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
config = tf.ConfigProto()
config.allow_soft_placement = True
config.gpu_options.allow_growth = True
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // batch_size
for e in range(epochs):
for i in range(num_batch):
# print('epoch %d / %d, step %d / %d' %(e+1, epochs, i+1, num_batch))
batch_offset = i * batch_size
batch_end = (i + 1) * batch_size
if self.hp_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(train_feature_input,
batch_list,
self.img_height,
self.img_width)
else:
train_feature_batch = train_feature_input[batch_offset:batch_end]
train_label_batch = train_label_input[batch_offset:batch_end]
sess.run(train_pack, feed_dict={features: train_feature_batch, labels: train_label_batch})
acc_pack = evaluate_pack_model(sess, features, labels, eval_pack)
print(f'Accuracy: {acc_pack}')
return acc_pack
def train_model(train_step_arg, batch_size_arg, model_type_arg, tidx_arg,
global_args):
train_dataset = cfg_para.multi_train_dataset
num_epoch = cfg_para.multi_num_epoch
use_tf_timeline = cfg_para.multi_use_tb_timeline
use_cpu = cfg_para.multi_use_cpu
if use_cpu:
train_device = '/cpu:0'
else:
train_device = '/gpu:0'
img_width, img_height, num_channel, num_class = load_dataset_para(
train_dataset)
train_feature_input, train_label_input = load_train_dataset(train_dataset)
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
if train_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
with tf.device(train_device):
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // batch_size_arg
for e in range(num_epoch):
for i in range(num_batch):
print('epoch %d / %d, step %d / %d' %
(e + 1, num_epoch, i + 1, num_batch))
batch_offset = i * batch_size_arg
batch_end = (i + 1) * batch_size_arg
if train_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
feature_batch = load_imagenet_raw(
train_feature_input, batch_list, img_height,
img_width)
else:
feature_batch = train_feature_input[
batch_offset:batch_end]
label_batch = train_label_input[batch_offset:batch_end]
if use_tf_timeline:
profile_path = cfg_path.profile_path
run_options = tf.RunOptions(
trace_level=tf.RunOptions.FULL_TRACE)
run_metadata = tf.RunMetadata()
sess.run(train_step_arg,
feed_dict={
global_args['features' + str(tidx_arg)]:
feature_batch,
global_args['labels' + str(tidx_arg)]:
label_batch
},
options=run_options,
run_metadata=run_metadata)
trace = timeline.Timeline(
step_stats=run_metadata.step_stats)
trace_file = open(
profile_path + '/' + str(model_type_arg) + '-' +
str(batch_size_arg) + '-' + str(i) + '.json', 'w')
trace_file.write(
trace.generate_chrome_trace_format(
show_dataflow=True, show_memory=True))
else:
sess.run(train_step_arg,
feed_dict={
global_args['features' + str(tidx_arg)]:
feature_batch,
global_args['labels' + str(tidx_arg)]:
label_batch
})
def train_single():
print('start training single')
rand_seed = cfg_para.single_rand_seed
num_epoch = cfg_para.single_num_epoch
model_type = cfg_para.single_model_type
num_layer = cfg_para.single_num_layer
learning_rate = cfg_para.single_learning_rate
activation = cfg_para.single_activation
batch_size = cfg_para.single_batch_size
optimizer = cfg_para.single_opt
train_dataset = cfg_para.single_train_dataset
use_tf_timeline = cfg_para.single_use_tb_timeline
use_cpu = cfg_para.single_use_cpu
if use_cpu:
train_device = '/cpu:0'
else:
train_device = '/gpu:0'
##########################################
# load dataset
##########################################
img_width, img_height, num_channel, num_class = load_dataset_para(
train_dataset)
train_feature_input, train_label_input = load_train_dataset(train_dataset)
eval_feature_input, eval_label_input = load_eval_dataset(train_dataset)
##########################################
# build model
##########################################
feature_ph = tf.placeholder(tf.float32,
[None, img_width, img_height, num_channel])
label_ph = tf.placeholder(tf.int64, [None, num_class])
model_name_abbr = np.random.choice(rand_seed, 1, replace=False).tolist()
dm = ModelImporter(model_type,
str(model_name_abbr.pop()),
num_layer,
img_height,
img_width,
num_channel,
num_class,
batch_size,
optimizer,
learning_rate,
activation,
batch_padding=False)
model_entity = dm.get_model_entity()
model_logit = model_entity.build(feature_ph, is_training=True)
train_op = model_entity.train(model_logit, label_ph)
eval_op = model_entity.evaluate(model_logit, label_ph)
##########################################
# train model
##########################################
step_time = 0
step_count = 0
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
if train_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
overall_time_start = timer()
with tf.device(train_device):
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // batch_size
for e in range(num_epoch):
for i in range(num_batch):
print('epoch %d / %d, step %d / %d' %
(e + 1, num_epoch, i + 1, num_batch))
if i != 0:
start_time = timer()
batch_offset = i * batch_size
batch_end = (i + 1) * batch_size
if train_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(
train_feature_input, batch_list, img_height,
img_width)
else:
train_feature_batch = train_feature_input[
batch_offset:batch_end]
train_label_batch = train_label_input[
batch_offset:batch_end]
if use_tf_timeline:
profile_path = cfg_path.profile_path
run_options = tf.RunOptions(
trace_level=tf.RunOptions.FULL_TRACE)
run_metadata = tf.RunMetadata()
sess.run(train_op,
feed_dict={
feature_ph: train_feature_batch,
label_ph: train_label_batch
},
options=run_options,
run_metadata=run_metadata)
trace = timeline.Timeline(
step_stats=run_metadata.step_stats)
trace_file = open(
profile_path + '/' + str(model_type) + '-' +
str(batch_size) + '-' + str(i) + '.json', 'w')
trace_file.write(
trace.generate_chrome_trace_format(
show_dataflow=True, show_memory=True))
else:
sess.run(train_op,
feed_dict={
feature_ph: train_feature_batch,
label_ph: train_label_batch
})
if i != 0:
end_time = timer()
dur_time = end_time - start_time
print("step time:", dur_time)
step_time += dur_time
step_count += 1
acc_avg = sess.run(eval_op,
feed_dict={
feature_ph: eval_feature_input,
label_ph: eval_label_input
})
print('evaluation accuracy:{}'.format(acc_avg))
overall_time_end = timer()
overall_time = overall_time_end - overall_time_start
print(
f'overall training time (s):{overall_time}, average step time (ms):{step_time / step_count * 1000}'
)
def train_model(job_id):
model_type_list = cfg_para.multi_model_type
num_layer_list = cfg_para.multi_num_layer
activation_list = cfg_para.multi_activation
batch_size_list = cfg_para.multi_batch_size
learning_rate_list = cfg_para.multi_learning_rate
optimizer_list = cfg_para.multi_opt
model_type = model_type_list[job_id]
num_layer = num_layer_list[job_id]
activation = activation_list[job_id]
batch_size = batch_size_list[job_id]
learning_rate = learning_rate_list[job_id]
optimizer = optimizer_list[job_id]
num_epoch = cfg_para.multi_num_epoch
train_dataset = cfg_para.multi_train_dataset
use_tf_timeline = cfg_para.multi_use_tb_timeline
use_cpu = cfg_para.multi_use_cpu
if use_cpu:
train_device = '/cpu:0'
else:
train_device = '/gpu:0'
model_name = '{0}-{1}-{2}-{3}-{4}-{5}-{6}-{7}'.format(
job_id, model_type, num_layer, batch_size, learning_rate, optimizer,
num_epoch, train_dataset)
##########################################
# load dataset
##########################################
img_width, img_height, num_channel, num_class = load_dataset_para(
train_dataset)
train_feature_input, train_label_input = load_train_dataset(train_dataset)
##########################################
# build model
##########################################
features = tf.placeholder(tf.float32,
[None, img_width, img_height, num_channel])
labels = tf.placeholder(tf.int64, [None, num_class])
dm = ModelImporter(model_type,
str(job_id),
num_layer,
img_height,
img_width,
num_channel,
num_class,
batch_size,
optimizer,
learning_rate,
activation,
batch_padding=False)
model_entity = dm.get_model_entity()
model_logit = model_entity.build(features, is_training=True)
train_op = model_entity.train(model_logit, labels)
##########################################
# train model
##########################################
step_time = 0
step_count = 0
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
if train_dataset == 'imagenet':
image_list = sorted(os.listdir(train_feature_input))
with tf.device(train_device):
with tf.Session(config=config) as sess:
sess.run(tf.global_variables_initializer())
num_batch = train_label_input.shape[0] // batch_size
for e in range(num_epoch):
for i in range(num_batch):
print('epoch %d / %d, step %d / %d' %
(e + 1, num_epoch, i + 1, num_batch))
if i != 0:
start_time = timer()
batch_offset = i * batch_size
batch_end = (i + 1) * batch_size
if train_dataset == 'imagenet':
batch_list = image_list[batch_offset:batch_end]
train_feature_batch = load_imagenet_raw(
train_feature_input, batch_list, img_height,
img_width)
else:
train_feature_batch = train_feature_input[
batch_offset:batch_end]
train_label_batch = train_label_input[
batch_offset:batch_end]
if use_tf_timeline:
profile_path = cfg_path.profile_path
run_options = tf.RunOptions(
trace_level=tf.RunOptions.FULL_TRACE)
run_metadata = tf.RunMetadata()
sess.run(train_op,
feed_dict={
features: train_feature_batch,
labels: train_label_batch
},
options=run_options,
run_metadata=run_metadata)
trace = timeline.Timeline(
step_stats=run_metadata.step_stats)
trace_file = open(
profile_path + '/' + str(model_type) + '-' +
str(batch_size) + '-' + str(i) + '.json', 'w')
trace_file.write(
trace.generate_chrome_trace_format(
show_dataflow=True, show_memory=True))
else:
sess.run(train_op,
feed_dict={
features: train_feature_batch,
labels: train_label_batch
})
if i != 0:
end_time = timer()
dur_time = end_time - start_time
print("step time:", dur_time)
step_time += dur_time
step_count += 1
step_time_result = f'average step time (ms) of {model_name}: {step_time / step_count * 1000}'
return step_time_result