def train(tr_data_cifar10, tr_label_cifar10, data_num_len_cifar10,
ts_data_cifar10, ts_label_cifar10, ts_num_len_cifar10, candidate,
max_steps):
#candidate.display_structure()
# define local variables
tr_data1 = tr_data_cifar10
tr_label1 = tr_label_cifar10
data_num_len1 = data_num_len_cifar10
max_data_len = int(data_num_len1 /
FLAGS.batch_num) # avoid [a:b], a will greater than b
ts_data1 = ts_data_cifar10
ts_label1 = ts_label_cifar10
ts_num_len1 = ts_num_len_cifar10
L = int(candidate.feature_layer_num + candidate.fc_layer_num +
1) # +1 for first conv layer
M = int(candidate.module_num)
F = int(candidate.filter_num
) * 2 # due to filter number must be an even number
FC = int(candidate.fc_layer_num)
FL = candidate.feature_layer_array
## TASK 1
sess = tf.InteractiveSession()
# Input placeholders
with tf.name_scope('input'):
x = tf.placeholder(tf.float32, [None, 32 * 32 * 3], name='x-input')
y_ = tf.placeholder(tf.float32, [None, 10], name='y-input')
keep_prob = tf.placeholder(tf.float32)
with tf.name_scope('input_reshape'):
image_shaped_input = tf.reshape(x, [-1, 32, 32, 3])
## need to change when involve task2
# geopath_examples
geopath = pathnet.geopath_initializer(L, M)
## need to change when involve task2
# fixed weights list
fixed_list = np.ones((L, M), dtype=str)
for i in range(L):
for j in range(M):
fixed_list[i, j] = '0'
# record weights, biases and sum_weights that need to change
weights_list = np.zeros((L, M), dtype=object)
biases_list = np.zeros((L, M), dtype=object)
sum_weights_list = np.zeros((L, M), dtype=object)
for i in range(L):
for j in range(M):
_initial1 = tf.truncated_normal(shape=[1], mean=1, stddev=0.1)
_initial2 = tf.truncated_normal(shape=[1], mean=1, stddev=0.1)
sum_weights_list[i, j] = [
tf.Variable(_initial1),
tf.Variable(_initial2)
]
## model define
layer_modules_list = np.zeros(M, dtype=object)
# first layer: conv
for j in range(M):
layer_modules_list[j], weights_list[0, j], biases_list[
0, j] = pathnet.conv_module(
sum_weights_list[0][j][1] * image_shaped_input, F, [5, 5],
geopath[0, j], 1, 'conv_layer' + str(0 + 1) + "_" + str(j + 1),
keep_prob)
net = np.sum(
map(lambda (a, b): a * b[0],
zip(layer_modules_list, sum_weights_list[0]))) / M
# feature abstract layers
for i in range(len(FL)):
if FL[i] == 0:
for j in range(M):
layer_modules_list[j], weights_list[i + 1, j], biases_list[
i + 1, j] = pathnet.res_fire_layer(
sum_weights_list[i + 1, j][1] * net, geopath[i + 1, j],
'res_fire_layer' + str(i + 2) + "_" + str(j + 1),
keep_prob)
else:
# check dimension_reduction input whether to small 1*1
if int(net.get_shape()[1]) == 1 and int(net.get_shape()[2]) == 1:
candidate.disable_mask[i] = 1
continue
for j in range(M):
layer_modules_list[j], weights_list[i + 1, j], biases_list[
i + 1, j] = pathnet.Dimensionality_reduction_module(
sum_weights_list[i + 1, j][1] * net, geopath[i + 1, j],
'dimension_reduction_layer' + str(i + 2) + "_" +
str(j + 1))
net = np.sum(
map(lambda (a, b): a * b[0],
zip(layer_modules_list, sum_weights_list[i + 1]))) / M
# full connection layer
# reshape
_shape = net.shape[1:]
_length = 1
for _i in _shape:
_length *= int(_i)
net = tf.reshape(net, [-1, _length])
# full connection
for i in range(L)[len(FL) + 1:]:
for j in range(M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.fc_layer(
sum_weights_list[i][j][1] * net, F, geopath[i, j],
'fc_layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(
map(lambda (a, b): a * b[0],
zip(layer_modules_list, sum_weights_list[i]))) / M
# output layer
y, output_weights, output_biases = pathnet.nn_layer(
net, 10, 'output_layer' + str(i))
# Cross Entropy
with tf.name_scope('cross_entropy'):
diff = tf.nn.softmax_cross_entropy_with_logits(labels=y_, logits=y)
with tf.name_scope('total'):
cross_entropy = tf.reduce_mean(diff)
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(L):
# disabled layer don't have argvs to learn
if i > 0 and i < candidate.maxFr + 1 and candidate.disable_mask[
i - 1] == 1:
continue
for j in range(M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[
i, j] + sum_weights_list[i, j]
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.AdamOptimizer(FLAGS.learning_rate).minimize(
cross_entropy, var_list=var_list_to_learn)
# Accuracy
with tf.name_scope('accuracy'):
with tf.name_scope('correct_prediction'):
correct_prediction = tf.equal(tf.argmax(y, 1), tf.argmax(y_, 1))
with tf.name_scope('accuracy'):
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
# init
tf.global_variables_initializer().run()
# Learning & Evaluating
# Shuffle the data
#idx=range(len(tr_data1))
#np.random.shuffle(idx)
#tr_data1=tr_data1[idx]
#tr_label1=tr_label1[idx]
step_list = [max_data_len for i in range(int(max_steps / max_data_len))
] + [max_steps % max_data_len]
counter = 0
acc_geo_tr = 0
#print(step_list)
#print(max_data_len)
#print("max_steps: "+max_steps)
for s in step_list:
idx = range(len(tr_data1))
np.random.shuffle(idx)
tr_data1 = tr_data1[idx]
tr_label1 = tr_label1[idx]
for k in range(s):
_, acc_geo_tmp = sess.run(
[train_step, accuracy],
feed_dict={
x:
tr_data1[k * FLAGS.batch_num:(k + 1) * FLAGS.batch_num, :],
y_: tr_label1[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :],
keep_prob: FLAGS.dropout
})
acc_geo_tr += acc_geo_tmp
counter += 1
if (counter > 100 and counter % 1000 == 0):
print("step %d, single_acc %f" % (counter, acc_geo_tmp))
# test on test set
if (counter % 100 == 0):
test_acc = []
for i in range(100):
test_acc += [
sess.run(accuracy,
feed_dict={
x: ts_data1[i * 100:(i + 1) * 100, :],
y_: ts_label1[i * 100:(i + 1) * 100, :],
keep_prob: 1
})
]
print("step %d, acc_on_test_set %f" %
(counter, sum(test_acc) / 100))
sess.close()
return acc_geo_tr / max_steps
def train():
# Import data
mnist = input_data.read_data_sets(FLAGS.data_dir,
one_hot=True,
fake_data=FLAGS.fake_data)
total_tr_data, total_tr_label = mnist.train.next_batch(
mnist.train._num_examples)
# Gathering a1 Data
tr_data_a1 = total_tr_data[(total_tr_label[:, FLAGS.a1] == 1.0)]
for i in range(len(tr_data_a1)):
for j in range(len(tr_data_a1[0])):
rand_num = np.random.rand()
if (rand_num >= 0.5):
tr_data_a1[i, j] = np.minimum(tr_data_a1[i, j] + rand_num, 1.0)
# Gathering a2 Data
tr_data_a2 = total_tr_data[(total_tr_label[:, FLAGS.a2] == 1.0)]
for i in range(len(tr_data_a2)):
for j in range(len(tr_data_a2[0])):
rand_num = np.random.rand()
if (rand_num >= 0.5):
tr_data_a2[i, j] = np.minimum(tr_data_a2[i, j] + rand_num, 1.0)
# Gathering b1 Data
tr_data_b1 = total_tr_data[(total_tr_label[:, FLAGS.b1] == 1.0)]
for i in range(len(tr_data_b1)):
for j in range(len(tr_data_b1[0])):
rand_num = np.random.rand()
if (rand_num >= 0.5):
tr_data_b1[i, j] = np.minimum(tr_data_b1[i, j] + rand_num, 1.0)
# Gathering b2 Data
tr_data_b2 = total_tr_data[(total_tr_label[:, FLAGS.b2] == 1.0)]
for i in range(len(tr_data_b2)):
for j in range(len(tr_data_b2[0])):
rand_num = np.random.rand()
if (rand_num >= 0.5):
tr_data_b2[i, j] = np.minimum(tr_data_b2[i, j] + rand_num, 1.0)
tr_data1 = np.append(tr_data_a1, tr_data_a2, axis=0)
tr_label1 = np.zeros((len(tr_data1), 2), dtype=float)
for i in range(len(tr_data1)):
if (i < len(tr_data_a1)):
tr_label1[i, 0] = 1.0
else:
tr_label1[i, 1] = 1.0
tr_data2 = np.append(tr_data_b1, tr_data_b2, axis=0)
tr_label2 = np.zeros((len(tr_data2), 2), dtype=float)
for i in range(len(tr_data2)):
if (i < len(tr_data_b1)):
tr_label2[i, 0] = 1.0
else:
tr_label2[i, 1] = 1.0
## TASK 1
sess = tf.InteractiveSession()
# Input placeholders
with tf.name_scope('input'):
x = tf.placeholder(tf.float32, [None, 784], name='x-input')
y_ = tf.placeholder(tf.float32, [None, 2], name='y-input')
with tf.name_scope('input_reshape'):
image_shaped_input = tf.reshape(x, [-1, 28, 28, 1])
tf.summary.image('input', image_shaped_input, 2)
# geopath_examples
geopath = pathnet.geopath_initializer(FLAGS.L, FLAGS.M)
# fixed weights list
fixed_list = np.ones((FLAGS.L, FLAGS.M), dtype=str)
for i in range(FLAGS.L):
for j in range(FLAGS.M):
fixed_list[i, j] = '0'
# Hidden Layers
weights_list = np.zeros(
(FLAGS.L, FLAGS.M),
dtype=object) # weights_list also record conv_kernels
biases_list = np.zeros((FLAGS.L, FLAGS.M), dtype=object)
# model define
layer_modules_list = np.zeros(FLAGS.M, dtype=object)
# conv layer
i = 0
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i,
j] = pathnet.conv_module(image_shaped_input, FLAGS.filt, [5, 5],
geopath[i, j], 1,
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# res-fire layer
i = 1
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.res_fire_layer(
net, FLAGS.filt, 10, 10, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# dimensionality_reduction layer
i = 2
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.Dimensionality_reduction_module(
net, 10, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# conv layer
i = 3
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i,
j] = pathnet.conv_module(image_shaped_input, FLAGS.filt, [5, 5],
geopath[i, j], 1,
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# output layer
# reshape
_shape = net.shape[1:]
_length = 1
for _i in _shape:
_length *= int(_i)
net = tf.reshape(net, [-1, _length])
# full connection layer
y, output_weights, output_biases = pathnet.nn_layer(
net, 2, 'output_layer')
# Cross Entropy
with tf.name_scope('cross_entropy'):
diff = tf.nn.softmax_cross_entropy_with_logits(labels=y_, logits=y)
with tf.name_scope('total'):
cross_entropy = tf.reduce_mean(diff)
tf.summary.scalar('cross_entropy', cross_entropy)
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Accuracy
with tf.name_scope('accuracy'):
with tf.name_scope('correct_prediction'):
correct_prediction = tf.equal(tf.argmax(y, 1), tf.argmax(y_, 1))
with tf.name_scope('accuracy'):
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
tf.summary.scalar('accuracy', accuracy)
# Merge all the summaries and write them out to /tmp/tensorflow/mnist/logs/mnist_with_summaries (by default)
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train1', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test1')
tf.global_variables_initializer().run()
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
# geopathes placeholders and ops
geopath_update_ops = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
geopath_update_placeholders = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
for i in range(len(geopath)):
for j in range(len(geopath[0])):
geopath_update_placeholders[i, j] = tf.placeholder(
geopath[i, j].dtype, shape=geopath[i, j].get_shape())
geopath_update_ops[i, j] = geopath[i, j].assign(
geopath_update_placeholders[i, j])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
# Shuffle the data
idx = range(len(tr_data1))
np.random.shuffle(idx)
tr_data1 = tr_data1[idx]
tr_label1 = tr_label1[idx]
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops,
geopath_set[compet_idx[j]], FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x:
tr_data1[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :],
y_:
tr_label1[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :]
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
if (acc >= 0.99):
print('Learning Done!!')
print('Optimal Path is as followed.')
print(geopath_set[compet_idx[winner_idx]])
task1_optimal_path = geopath_set[compet_idx[winner_idx]]
break
"""
geopath_sum=np.zeros((len(geopath),len(geopath[0])),dtype=float);
for j in range(len(geopath_set)):
for k in range(len(geopath)):
for l in range(len(geopath[0])):
geopath_sum[k][l]+=geopath_set[j][k][l];
print(geopath_sum);
"""
# record steps to find optimal path in task1
iter_task1 = i
# Fix task1 Optimal Path
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (task1_optimal_path[i, j] == 1.0):
fixed_list[i, j] = '1'
# Get variables of fixed list
var_list_to_fix = []
#var_list_to_fix=[]+output_weights+output_biases;
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '1'):
var_list_to_fix += weights_list[i, j] + biases_list[i, j]
var_list_fix = pathnet.parameters_backup(var_list_to_fix)
"""
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if(task1_optimal_path[i,j]==1.0):
fixed_list[i,j]='0';
"""
# parameters placeholders and ops
var_fix_ops = np.zeros(len(var_list_to_fix), dtype=object)
var_fix_placeholders = np.zeros(len(var_list_to_fix), dtype=object)
for i in range(len(var_list_to_fix)):
var_fix_placeholders[i] = tf.placeholder(
var_list_to_fix[i].dtype, shape=var_list_to_fix[i].get_shape())
var_fix_ops[i] = var_list_to_fix[i].assign(var_fix_placeholders[i])
## TASK 2
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
'''
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if(fixed_list[i,j]=='1'):
tmp=biases_list[i,j][0];
break;
break;
'''
# Initialization
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train2', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test2')
tf.global_variables_initializer().run()
# Update fixed values
pathnet.parameters_update(sess, var_fix_placeholders, var_fix_ops,
var_list_fix)
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
# Shuffle the data
idx = range(len(tr_data2))
np.random.shuffle(idx)
tr_data2 = tr_data2[idx]
tr_label2 = tr_label2[idx]
geopath_insert = np.copy(geopath_set[compet_idx[j]])
for l in range(FLAGS.L):
for m in range(FLAGS.M):
if (fixed_list[l, m] == '1'):
geopath_insert[l, m] = 1.0
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops, geopath_insert, FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x:
tr_data2[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :],
y_:
tr_label2[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :]
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
if (acc >= 0.99):
print('Learning Done!!')
print('Optimal Path is as followed.')
print(geopath_set[compet_idx[winner_idx]])
task2_optimal_path = geopath_set[compet_idx[winner_idx]]
break
"""
geopath_sum=np.zeros((len(geopath),len(geopath[0])),dtype=float);
for j in range(len(geopath_set)):
for k in range(len(geopath)):
for l in range(len(geopath[0])):
geopath_sum[k][l]+=geopath_set[j][k][l];
print(geopath_sum);
"""
iter_task2 = i
overlap = 0
for i in range(len(task1_optimal_path)):
for j in range(len(task1_optimal_path[0])):
if (task1_optimal_path[i, j] == task2_optimal_path[i, j]) & (
task1_optimal_path[i, j] == 1.0):
overlap += 1
print("Entire Iter:" + str(iter_task1 + iter_task2) + ",TASK1:" +
str(iter_task1) + ",TASK2:" + str(iter_task2) + ",Overlap:" +
str(overlap))
train_writer.close()
test_writer.close()
def train():
# Get SVHN dataset
svhn_maybe_download_and_extract()
file_name = os.path.join(FLAGS.svhn_data_dir, "train_32x32.mat")
train = sio.loadmat(file_name)
tr_data_svhn = np.zeros((len(train['y']), 32 * 32 * 3), dtype=float)
tr_label_svhn = np.zeros((len(train['y']), 10), dtype=float)
for i in range(len(train['y'])):
tr_data_svhn[i] = np.reshape(train['X'][:, :, :, i], [1, 32 * 32 * 3])
tr_label_svhn[i, train['y'][i][0] - 1] = 1.0
tr_data_svhn = tr_data_svhn / 255.0
file_name = os.path.join(FLAGS.svhn_data_dir, "test_32x32.mat")
test = sio.loadmat(file_name)
ts_data_svhn = np.zeros((len(test['y']), 32 * 32 * 3), dtype=float)
ts_label_svhn = np.zeros((len(test['y']), 10), dtype=float)
for i in range(len(test['y'])):
ts_data_svhn[i] = np.reshape(test['X'][:, :, :, i], [1, 32 * 32 * 3])
ts_label_svhn[i, test['y'][i][0] - 1] = 1.0
ts_data_svhn = ts_data_svhn / 255.0
data_num_len_svhn = len(tr_label_svhn)
# Get CIFAR 10 dataset
cifar10.maybe_download_and_extract()
tr_label_cifar10 = np.zeros((50000, 10), dtype=float)
ts_label_cifar10 = np.zeros((10000, 10), dtype=float)
for i in range(1, 6):
file_name = os.path.join(FLAGS.cifar_data_dir,
"data_batch_" + str(i) + ".bin")
f = open(file_name, "rb")
data = np.reshape(bytearray(f.read()), [10000, 3073])
if (i == 1):
tr_data_cifar10 = data[:, 1:] / 255.0
else:
tr_data_cifar10 = np.append(tr_data_cifar10,
data[:, 1:] / 255.0,
axis=0)
for j in range(len(data)):
tr_label_cifar10[(i - 1) * 10000 + j, data[j, 0]] = 1.0
file_name = os.path.join(FLAGS.cifar_data_dir, "test_batch.bin")
f = open(file_name, "rb")
data = np.reshape(bytearray(f.read()), [10000, 3073])
for i in range(len(data)):
ts_label_cifar10[i, data[i, 0]] = 1.0
ts_data_cifar10 = data[:, 1:] / 255.0
data_num_len_cifar10 = len(tr_label_cifar10)
print(ts_label_cifar10.shape)
print(ts_label_cifar10[0])
if (FLAGS.cifar_first):
tr_data1 = tr_data_cifar10
tr_label1 = tr_label_cifar10
ts_data1 = ts_data_cifar10
ts_label1 = ts_label_cifar10
data_num_len1 = data_num_len_cifar10
tr_data2 = tr_data_svhn
tr_label2 = tr_label_svhn
ts_data2 = ts_data_svhn
ts_label2 = ts_label_svhn
data_num_len2 = data_num_len_svhn
else:
tr_data1 = tr_data_svhn
tr_label1 = tr_label_svhn
ts_data1 = ts_data_svhn
ts_label1 = ts_label_svhn
data_num_len1 = data_num_len_svhn
tr_data2 = tr_data_cifar10
tr_label2 = tr_label_cifar10
ts_data2 = ts_data_cifar10
ts_label2 = ts_label_cifar10
data_num_len2 = data_num_len_cifar10
## TASK 1
sess = tf.InteractiveSession()
# Input placeholders
with tf.name_scope('input'):
x = tf.placeholder(tf.float32, [None, 32 * 32 * 3], name='x-input')
y_ = tf.placeholder(tf.float32, [None, 10], name='y-input')
with tf.name_scope('input_reshape'):
image_shaped_input = tf.reshape(x, [-1, 32, 32, 3])
tf.summary.image('input', image_shaped_input, 2)
# geopath_examples
geopath = pathnet.geopath_initializer(FLAGS.L, FLAGS.M)
# fixed weights list
fixed_list = np.ones((FLAGS.L, FLAGS.M), dtype=str)
for i in range(FLAGS.L):
for j in range(FLAGS.M):
fixed_list[i, j] = '0'
# Hidden Layers
weights_list = np.zeros((FLAGS.L, FLAGS.M), dtype=object)
biases_list = np.zeros((FLAGS.L, FLAGS.M), dtype=object)
# model define
layer_modules_list = np.zeros(FLAGS.M, dtype=object)
# conv layer
i = 0
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i,
j] = pathnet.conv_module(image_shaped_input, FLAGS.filt, [5, 5],
geopath[i, j], 1,
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# res-fire layer
i = 1
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.res_fire_layer(
net, FLAGS.filt, 10, 10, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# dimensionality_reduction layer
i = 2
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.Dimensionality_reduction_module(
net, 10, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# conv layer
i = 3
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i,
j] = pathnet.conv_module(image_shaped_input, FLAGS.filt, [5, 5],
geopath[i, j], 1,
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# output layer
# reshape
_shape = net.shape[1:]
_length = 1
for _i in _shape:
_length *= int(_i)
net = tf.reshape(net, [-1, _length])
# full connection layer
y, output_weights, output_biases = pathnet.nn_layer(
net, 10, 'output_layer')
# Cross Entropy
with tf.name_scope('cross_entropy'):
diff = tf.nn.softmax_cross_entropy_with_logits(labels=y_, logits=y)
with tf.name_scope('total'):
cross_entropy = tf.reduce_mean(diff)
tf.summary.scalar('cross_entropy', cross_entropy)
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Accuracy
with tf.name_scope('accuracy'):
with tf.name_scope('correct_prediction'):
correct_prediction = tf.equal(tf.argmax(y, 1), tf.argmax(y_, 1))
with tf.name_scope('accuracy'):
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
tf.summary.scalar('accuracy', accuracy)
# Merge all the summaries and write them out to /tmp/tensorflow/mnist/logs/mnist_with_summaries (by default)
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train1', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test1')
tf.global_variables_initializer().run()
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
# geopathes placeholders and ops
geopath_update_ops = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
geopath_update_placeholders = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
for i in range(len(geopath)):
for j in range(len(geopath[0])):
geopath_update_placeholders[i, j] = tf.placeholder(
geopath[i, j].dtype, shape=geopath[i, j].get_shape())
geopath_update_ops[i, j] = geopath[i, j].assign(
geopath_update_placeholders[i, j])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
# Shuffle the data
idx = range(len(tr_data1))
np.random.shuffle(idx)
tr_data1 = tr_data1[idx]
tr_label1 = tr_label1[idx]
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops,
geopath_set[compet_idx[j]], FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
'''
print(x.shape)
print(tr_data1[k*FLAGS.batch_num:(k+1)*FLAGS.batch_num,:].shape)
print(y.shape)
print(tr_label1[k*FLAGS.batch_num:(k+1)*FLAGS.batch_num,:].shape)
'''
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x:
tr_data1[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :],
y_:
tr_label1[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :]
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
acc_task1 = acc
task1_optimal_path = geopath_set[compet_idx[winner_idx]]
# Fix task1 Optimal Path
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (task1_optimal_path[i, j] == 1.0):
fixed_list[i, j] = '1'
# Get variables of fixed list
var_list_to_fix = []
#var_list_to_fix=[]+output_weights+output_biases;
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '1'):
var_list_to_fix += weights_list[i, j] + biases_list[i, j]
var_list_fix = pathnet.parameters_backup(var_list_to_fix)
# parameters placeholders and ops
var_fix_ops = np.zeros(len(var_list_to_fix), dtype=object)
var_fix_placeholders = np.zeros(len(var_list_to_fix), dtype=object)
for i in range(len(var_list_to_fix)):
var_fix_placeholders[i] = tf.placeholder(
var_list_to_fix[i].dtype, shape=var_list_to_fix[i].get_shape())
var_fix_ops[i] = var_list_to_fix[i].assign(var_fix_placeholders[i])
## TASK 2
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '1'):
tmp = biases_list[i, j][0]
break
break
# Initialization
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train2', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test2')
tf.global_variables_initializer().run()
# Update fixed values
pathnet.parameters_update(sess, var_fix_placeholders, var_fix_ops,
var_list_fix)
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
# Shuffle the data
idx = range(len(tr_data2))
np.random.shuffle(idx)
tr_data2 = tr_data2[idx]
tr_label2 = tr_label2[idx]
geopath_insert = np.copy(geopath_set[compet_idx[j]])
for l in range(FLAGS.L):
for m in range(FLAGS.M):
if (fixed_list[l, m] == '1'):
geopath_insert[l, m] = 1.0
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops, geopath_insert, FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x:
tr_data2[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :],
y_:
tr_label2[k * FLAGS.batch_num:(k + 1) *
FLAGS.batch_num, :]
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
acc_task2 = acc
if (FLAGS.cifar_first):
print("CIFAR10_SVHN,TASK1:" + str(acc_task1) + ",TASK2:" +
str(acc_task2) + ",Done")
else:
print("SVHN_CIFAR10,TASK1:" + str(acc_task1) + ",TASK2:" +
str(acc_task2) + ",Done")
train_writer.close()
test_writer.close()
def train():
## Get imageNet dataset file queue for task1 and task2
tr_data1, tr_label1 = imagenet_data.create_file_queue(
FLAGS.imagenet_data_dir1)
tr_data2, tr_label2 = imagenet_data.create_file_queue(
FLAGS.imagenet_data_dir2)
## TASK 1
sess = tf.InteractiveSession()
# Input placeholders
with tf.name_scope('input'):
x = tf.placeholder(tf.float32, [None, 224 * 224 * 3], name='x-input')
y_ = tf.placeholder(tf.float32, [None, 10], name='y-input')
with tf.name_scope('input_reshape'):
image_shaped_input = tf.reshape(x, [-1, 224, 224, 3])
tf.summary.image('input', image_shaped_input, 2)
# geopath_examples
geopath = pathnet.geopath_initializer(FLAGS.L, FLAGS.M)
# fixed weights list
fixed_list = np.ones((FLAGS.L, FLAGS.M), dtype=str)
for i in range(FLAGS.L):
for j in range(FLAGS.M):
fixed_list[i, j] = '0'
# Hidden Layers
weights_list = np.zeros((FLAGS.L, FLAGS.M), dtype=object)
biases_list = np.zeros((FLAGS.L, FLAGS.M), dtype=object)
# model define
layer_modules_list = np.zeros(FLAGS.M, dtype=object)
# conv layer
i = 0
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i,
j] = pathnet.conv_module(image_shaped_input, FLAGS.filt, [11, 11],
geopath[i, j], 1,
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# dimensionality_reduction layer
i = 1
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.Dimensionality_reduction_module(
net, FLAGS.filt / 2, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# res_fire layer
i = 2
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.res_fire_layer(
net, FLAGS.filt / 2, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# dimensionality_reduction layer
i = 3
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.Dimensionality_reduction_module(
net, FLAGS.filt / 2, geopath[i, j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# reshape before full connection layer
_shape = net.shape[1:]
_length = 1
for _i in _shape:
_length *= int(_i)
net = tf.reshape(net, [-1, _length])
# model1 layer
i = 4
for j in range(FLAGS.M):
layer_modules_list[j], weights_list[i, j], biases_list[
i, j] = pathnet.module(net, FLAGS.full_connection_filt, geopath[i,
j],
'layer' + str(i + 1) + "_" + str(j + 1))
net = np.sum(layer_modules_list) / FLAGS.M
# output layer
y, output_weights, output_biases = pathnet.nn_layer(
net, 10, 'output_layer')
# Cross Entropy
with tf.name_scope('cross_entropy'):
diff = tf.nn.softmax_cross_entropy_with_logits(labels=y_, logits=y)
with tf.name_scope('total'):
cross_entropy = tf.reduce_mean(diff)
tf.summary.scalar('cross_entropy', cross_entropy)
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Accuracy
with tf.name_scope('accuracy'):
with tf.name_scope('correct_prediction'):
correct_prediction = tf.equal(tf.argmax(y, 1), tf.argmax(y_, 1))
with tf.name_scope('accuracy'):
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
tf.summary.scalar('accuracy', accuracy)
# Merge all the summaries and write them out to /tmp/tensorflow/mnist/logs/mnist_with_summaries (by default)
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train1', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test1')
# init
tf.global_variables_initializer().run()
tf.local_variables_initializer().run()
# start data reading queue
coord = tf.train.Coordinator()
threads = tf.train.start_queue_runners(sess=sess, coord=coord)
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
# geopathes placeholders and ops
geopath_update_ops = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
geopath_update_placeholders = np.zeros((len(geopath), len(geopath[0])),
dtype=object)
for i in range(len(geopath)):
for j in range(len(geopath[0])):
geopath_update_placeholders[i, j] = tf.placeholder(
geopath[i, j].dtype, shape=geopath[i, j].get_shape())
geopath_update_ops[i, j] = geopath[i, j].assign(
geopath_update_placeholders[i, j])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops,
geopath_set[compet_idx[j]], FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
'''
print(x.shape)
print(tr_data1[k*FLAGS.batch_num:(k+1)*FLAGS.batch_num,:].shape)
print(y.shape)
print(tr_label1[k*FLAGS.batch_num:(k+1)*FLAGS.batch_num,:].shape)
'''
tr_data1_val, tr_label1_val = imagenet_data.read_batch(
sess, tr_data1, tr_label1, FLAGS.batch_num,
FLAGS.imagenet_data_dir1)
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x: tr_data1_val,
y_: tr_label1_val
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
if i == FLAGS.max_steps - 1:
acc_task1 = acc
task1_optimal_path = geopath_set[compet_idx[winner_idx]]
print('Task1 Optimal Path is as followed.')
print(task1_optimal_path)
# Fix task1 Optimal Path
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (task1_optimal_path[i, j] == 1.0):
fixed_list[i, j] = '1'
# Get variables of fixed list
var_list_to_fix = []
#var_list_to_fix=[]+output_weights+output_biases;
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '1'):
var_list_to_fix += weights_list[i, j] + biases_list[i, j]
var_list_fix = pathnet.parameters_backup(var_list_to_fix)
# parameters placeholders and ops
var_fix_ops = np.zeros(len(var_list_to_fix), dtype=object)
var_fix_placeholders = np.zeros(len(var_list_to_fix), dtype=object)
for i in range(len(var_list_to_fix)):
var_fix_placeholders[i] = tf.placeholder(
var_list_to_fix[i].dtype, shape=var_list_to_fix[i].get_shape())
var_fix_ops[i] = var_list_to_fix[i].assign(var_fix_placeholders[i])
## TASK 2
# Need to learn variables
var_list_to_learn = [] + output_weights + output_biases
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '0'):
var_list_to_learn += weights_list[i, j] + biases_list[i, j]
for i in range(FLAGS.L):
for j in range(FLAGS.M):
if (fixed_list[i, j] == '1'):
tmp = biases_list[i, j][0]
break
break
# Initialization
merged = tf.summary.merge_all()
train_writer = tf.summary.FileWriter(FLAGS.log_dir + '/train2', sess.graph)
test_writer = tf.summary.FileWriter(FLAGS.log_dir + '/test2')
tf.global_variables_initializer().run()
tf.local_variables_initializer().run()
# Update fixed values
pathnet.parameters_update(sess, var_fix_placeholders, var_fix_ops,
var_list_fix)
# GradientDescent
with tf.name_scope('train'):
train_step = tf.train.GradientDescentOptimizer(
FLAGS.learning_rate).minimize(cross_entropy,
var_list=var_list_to_learn)
# Generating randomly geopath
geopath_set = np.zeros(FLAGS.candi, dtype=object)
for i in range(FLAGS.candi):
geopath_set[i] = pathnet.get_geopath(FLAGS.L, FLAGS.M, FLAGS.N)
# parameters placeholders and ops
var_update_ops = np.zeros(len(var_list_to_learn), dtype=object)
var_update_placeholders = np.zeros(len(var_list_to_learn), dtype=object)
for i in range(len(var_list_to_learn)):
var_update_placeholders[i] = tf.placeholder(
var_list_to_learn[i].dtype, shape=var_list_to_learn[i].get_shape())
var_update_ops[i] = var_list_to_learn[i].assign(
var_update_placeholders[i])
acc_geo = np.zeros(FLAGS.B, dtype=float)
summary_geo = np.zeros(FLAGS.B, dtype=object)
for i in range(FLAGS.max_steps):
# Select Candidates to Tournament
compet_idx = range(FLAGS.candi)
np.random.shuffle(compet_idx)
compet_idx = compet_idx[:FLAGS.B]
# Learning & Evaluating
for j in range(len(compet_idx)):
geopath_insert = np.copy(geopath_set[compet_idx[j]])
for l in range(FLAGS.L):
for m in range(FLAGS.M):
if (fixed_list[l, m] == '1'):
geopath_insert[l, m] = 1.0
# Insert Candidate
pathnet.geopath_insert(sess, geopath_update_placeholders,
geopath_update_ops, geopath_insert, FLAGS.L,
FLAGS.M)
acc_geo_tr = 0
for k in range(FLAGS.T):
tr_data2_val, tr_label2_val = imagenet_data.read_batch(
sess, tr_data2, tr_label2, FLAGS.batch_num,
FLAGS.imagenet_data_dir2)
summary_geo_tr, _, acc_geo_tmp = sess.run(
[merged, train_step, accuracy],
feed_dict={
x: tr_data2_val,
y_: tr_label2_val
})
acc_geo_tr += acc_geo_tmp
acc_geo[j] = acc_geo_tr / FLAGS.T
summary_geo[j] = summary_geo_tr
# Tournament
winner_idx = np.argmax(acc_geo)
acc = acc_geo[winner_idx]
summary = summary_geo[winner_idx]
# Copy and Mutation
for j in range(len(compet_idx)):
if (j != winner_idx):
geopath_set[compet_idx[j]] = np.copy(
geopath_set[compet_idx[winner_idx]])
geopath_set[compet_idx[j]] = pathnet.mutation(
geopath_set[compet_idx[j]], FLAGS.L, FLAGS.M, FLAGS.N)
train_writer.add_summary(summary, i)
print('Training Accuracy at step %s: %s' % (i, acc))
if i == FLAGS.max_steps - 1:
acc_task2 = acc
task2_optimal_path = geopath_set[compet_idx[winner_idx]]
print('Task2 Optimal Path is as followed.')
print(task2_optimal_path)
# close data reading queue
coord.request_stop()
coord.join(threads)
overlap = 0
for i in range(len(task1_optimal_path)):
for j in range(len(task1_optimal_path[0])):
if (task1_optimal_path[i, j] == task2_optimal_path[i, j]) & (
task1_optimal_path[i, j] == 1.0):
overlap += 1
print("ImageNet,TASK1:" + str(acc_task1) + ",TASK2:" + str(acc_task2) +
", Overlap:" + str(overlap))
train_writer.close()
test_writer.close()