Skip to content

GitLab

Commit cdd27689 authored by Sebastian N.'s avatar Sebastian N.
Browse files

Implemented parameters checkpoint_period, log_period and eval_train

parent 139f1e98
Pipeline #221320 passed with stages
in 3 minutes and 47 seconds
Hide whitespace changes
Inline Side-by-side
src/main/resources/templates/gluon/CNNDataLoader.ftl
View file @ cdd27689
......@@ -15,7 +15,7 @@ class ${tc.fileNameWithoutEnding}:
def __init__(self):
self._data_dir = "${tc.dataPath}/"
def load_data(self, train_batch_size, test_batch_size):
def load_data(self, batch_size):
train_h5, test_h5 = self.load_h5_files()
train_data = {}
......@@ -39,11 +39,7 @@ class ${tc.fileNameWithoutEnding}:
train_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=train_batch_size)
train_test_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=test_batch_size)
batch_size=batch_size)
test_iter = None
......@@ -64,9 +60,9 @@ class ${tc.fileNameWithoutEnding}:
test_iter = mx.io.NDArrayIter(data=test_data,
label=test_label,
batch_size=test_batch_size)
batch_size=batch_size)
return train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images
return train_iter, test_iter, data_mean, data_std, train_images, test_images
def load_data_img(self, batch_size, img_size):
train_h5, test_h5 = self.load_h5_files()
......
src/main/resources/templates/gluon/CNNSupervisedTrainer.ftl
View file @ cdd27689
......@@ -181,13 +181,15 @@ class ${tc.fileNameWithoutEnding}:
num_epoch=10,
eval_metric='acc',
eval_metric_params={},
eval_train=False,
loss ='softmax_cross_entropy',
loss_params={},
optimizer='adam',
optimizer_params=(('learning_rate', 0.001),),
load_checkpoint=True,
context='gpu',
checkpoint_period=5,
log_period=50,
context='gpu',
save_attention_image=False,
use_teacher_forcing=False,
normalize=True):
......@@ -213,10 +215,7 @@ class ${tc.fileNameWithoutEnding}:
del optimizer_params['step_size']
del optimizer_params['learning_rate_decay']
train_batch_size = batch_size
test_batch_size = batch_size
train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images = self._data_loader.load_data(train_batch_size, test_batch_size)
train_iter, test_iter, data_mean, data_std, train_images, test_images = self._data_loader.load_data(batch_size)
if normalize:
self._net_creator.construct(context=mx_context, data_mean=data_mean, data_std=data_std)
......@@ -275,11 +274,11 @@ class ${tc.fileNameWithoutEnding}:
else:
logging.error("Invalid loss parameter.")
speed_period = 50
tic = None
for epoch in range(begin_epoch, begin_epoch + num_epoch):
loss_total = 0
train_iter.reset()
for batch_i, batch in enumerate(train_iter):
with autograd.record():
......@@ -291,44 +290,51 @@ class ${tc.fileNameWithoutEnding}:
loss.backward()
loss_total += loss.sum().asscalar()
for trainer in trainers:
trainer.step(batch_size)
if tic is None:
tic = time.time()
else:
if batch_i % speed_period == 0:
if batch_i % log_period == 0:
try:
speed = speed_period * batch_size / (time.time() - tic)
speed = log_period * batch_size / (time.time() - tic)
except ZeroDivisionError:
speed = float("inf")
logging.info("Epoch[%d] Batch[%d] Speed: %.2f samples/sec" % (epoch, batch_i, speed))
loss_avg = loss_total / (batch_size * log_period)
loss_total = 0
logging.info("Epoch[%d] Batch[%d] Speed: %.2f samples/sec Loss: %.5f" % (epoch, batch_i, speed, loss_avg))
tic = time.time()
tic = None
train_test_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
for batch_i, batch in enumerate(train_test_iter):
if True: <#-- Fix indentation -->
if eval_train:
train_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
for batch_i, batch in enumerate(train_iter):
<#include "pythonExecuteTest.ftl">
<#include "saveAttentionImageTrain.ftl">
predictions = []
for output_name in outputs:
if mx.nd.shape_array(mx.nd.squeeze(output_name)).size > 1:
predictions.append(mx.nd.argmax(output_name, axis=1))
else:
predictions.append(output_name)
predictions = []
for output_name in outputs:
if mx.nd.shape_array(mx.nd.squeeze(output_name)).size > 1:
predictions.append(mx.nd.argmax(output_name, axis=1))
else:
predictions.append(output_name)
metric.update(preds=predictions, labels=labels)
train_metric_score = metric.get()[1]
metric.update(preds=predictions, labels=labels)
train_metric_score = metric.get()[1]
else:
train_metric_score = 0
test_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
......
src/main/resources/templates/gluon/CNNTrainer.ftl
View file @ cdd27689
......@@ -31,6 +31,12 @@ if __name__ == "__main__":
<#if (config.loadCheckpoint)??>
load_checkpoint=${config.loadCheckpoint?string("True","False")},
</#if>
<#if (config.checkpointPeriod)??>
checkpoint_period=${config.checkpointPeriod},
</#if>
<#if (config.logPeriod)??>
log_period=${config.logPeriod},
</#if>
<#if (config.context)??>
context='${config.context}',
</#if>
......@@ -51,6 +57,9 @@ if __name__ == "__main__":
</#if>
},
</#if>
<#if (config.evalTrain)??>
eval_train=${config.evalTrain?string("True","False")},
</#if>
<#if (config.configuration.loss)??>
loss='${config.lossName}',
<#if (config.lossParams)??>
......
src/main/resources/templates/gluon/pythonExecuteTest.ftl
View file @ cdd27689
......@@ -6,19 +6,19 @@
<#if tc.architectureOutputSymbols?size gt 1>
<#assign outputName = tc.getNameWithoutIndex(tc.getName(tc.architectureOutputSymbols[0]))>
${outputName} = [mx.nd.zeros((test_batch_size, ${tc.join(tc.architectureOutputSymbols[0].ioDeclaration.type.dimensions, ", ")},), ctx=mx_context) for i in range(${tc.architectureOutputs?size?c})]
${outputName} = [mx.nd.zeros((batch_size, ${tc.join(tc.architectureOutputSymbols[0].ioDeclaration.type.dimensions, ", ")},), ctx=mx_context) for i in range(${tc.architectureOutputs?size?c})]
<#else>
<#list tc.architectureOutputSymbols as output>
${tc.getName(output)} = mx.nd.zeros((test_batch_size, ${tc.join(output.ioDeclaration.type.dimensions, ", ")},), ctx=mx_context)<#sep>,
${tc.getName(output)} = mx.nd.zeros((batch_size, ${tc.join(output.ioDeclaration.type.dimensions, ", ")},), ctx=mx_context)<#sep>,
</#list>
</#if>
<#list tc.getLayerVariableMembers()?keys as member>
${member} = mx.nd.zeros((test_batch_size, ${tc.join(tc.cutDimensions(tc.getLayerVariableMembers()[member]), ", ")},), ctx=mx_context)
${member} = mx.nd.zeros((batch_size, ${tc.join(tc.cutDimensions(tc.getLayerVariableMembers()[member]), ", ")},), ctx=mx_context)
</#list>
<#list tc.architecture.constants as constant>
${tc.getName(constant)} = mx.nd.full((test_batch_size, 1,), ${constant.intValue?c}, ctx=mx_context)
${tc.getName(constant)} = mx.nd.full((batch_size, 1,), ${constant.intValue?c}, ctx=mx_context)
</#list>
nd.waitall()
......
src/main/resources/templates/gluon/pythonExecuteTrain.ftl
View file @ cdd27689
......@@ -6,19 +6,19 @@
<#if tc.architectureOutputSymbols?size gt 1>
<#assign outputName = tc.getNameWithoutIndex(tc.getName(tc.architectureOutputSymbols[0]))>
${outputName} = [mx.nd.zeros((train_batch_size, ${tc.join(tc.architectureOutputSymbols[0].ioDeclaration.type.dimensions, ", ")},), ctx=mx_context) for i in range(${tc.architectureOutputs?size?c})]
${outputName} = [mx.nd.zeros((batch_size, ${tc.join(tc.architectureOutputSymbols[0].ioDeclaration.type.dimensions, ", ")},), ctx=mx_context) for i in range(${tc.architectureOutputs?size?c})]
<#else>
<#list tc.architectureOutputSymbols as output>
${tc.getName(output)} = mx.nd.zeros((train_batch_size, ${tc.join(output.ioDeclaration.type.dimensions, ", ")},), ctx=mx_context)<#sep>,
${tc.getName(output)} = mx.nd.zeros((batch_size, ${tc.join(output.ioDeclaration.type.dimensions, ", ")},), ctx=mx_context)<#sep>,
</#list>
</#if>
<#list tc.getLayerVariableMembers()?keys as member>
${member} = mx.nd.zeros((train_batch_size, ${tc.join(tc.cutDimensions(tc.getLayerVariableMembers()[member]), ", ")},), ctx=mx_context)
${member} = mx.nd.zeros((batch_size, ${tc.join(tc.cutDimensions(tc.getLayerVariableMembers()[member]), ", ")},), ctx=mx_context)
</#list>
<#list tc.architecture.constants as constant>
${tc.getName(constant)} = mx.nd.full((train_batch_size, 1,), ${constant.intValue?c}, ctx=mx_context)
${tc.getName(constant)} = mx.nd.full((batch_size, 1,), ${constant.intValue?c}, ctx=mx_context)
</#list>
nd.waitall()
......
src/main/resources/templates/gluon/saveAttentionImageTest.ftl
View file @ cdd27689
if save_attention_image == "True":
if not eval_train:
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
logging.getLogger('matplotlib').setLevel(logging.ERROR)
if(os.path.isfile('src/test/resources/training_data/Show_attend_tell/dict.pkl')):
with open('src/test/resources/training_data/Show_attend_tell/dict.pkl', 'rb') as f:
dict = pickle.load(f)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
ax = fig.add_subplot(max_length//3, max_length//4, 1)
ax.imshow(test_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(test_images[0+batch_size*(batch_i)].transpose(1,2,0))
for l in range(max_length):
attention = attentionList[l]
......@@ -15,14 +25,17 @@
ax.set_title("<unk>")
elif dict[int(mx.nd.slice_axis(outputs[l+1], axis=0, begin=0, end=1).squeeze().asscalar())] == "<end>":
ax.set_title(".")
img = ax.imshow(test_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(test_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
break
else:
ax.set_title(dict[int(mx.nd.slice_axis(outputs[l+1], axis=0, begin=0, end=1).squeeze().asscalar())])
img = ax.imshow(test_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(test_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
plt.tight_layout()
target_dir = 'target/attention_images'
if not os.path.exists(target_dir):
os.makedirs(target_dir)
plt.savefig(target_dir + '/attention_test.png')
plt.close()
\ No newline at end of file
src/main/resources/templates/gluon/saveAttentionImageTrain.ftl
View file @ cdd27689
......@@ -4,16 +4,16 @@
import matplotlib.pyplot as plt
logging.getLogger('matplotlib').setLevel(logging.ERROR)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
if(os.path.isfile('src/test/resources/training_data/Show_attend_tell/dict.pkl')):
with open('src/test/resources/training_data/Show_attend_tell/dict.pkl', 'rb') as f:
dict = pickle.load(f)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
ax = fig.add_subplot(max_length//3, max_length//4, 1)
ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
for l in range(max_length):
attention = attentionList[l]
......@@ -24,12 +24,12 @@
ax.set_title("<unk>")
elif dict[int(labels[l+1][0].asscalar())] == "<end>":
ax.set_title(".")
img = ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
break
else:
ax.set_title(dict[int(labels[l+1][0].asscalar())])
img = ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
plt.tight_layout()
......
src/test/resources/target_code/CNNDataLoader_Alexnet.py
View file @ cdd27689
......@@ -14,7 +14,7 @@ class CNNDataLoader_Alexnet:
def __init__(self):
self._data_dir = "data/Alexnet/"
def load_data(self, train_batch_size, test_batch_size):
def load_data(self, batch_size):
train_h5, test_h5 = self.load_h5_files()
train_data = {}
......@@ -38,11 +38,7 @@ class CNNDataLoader_Alexnet:
train_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=train_batch_size)
train_test_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=test_batch_size)
batch_size=batch_size)
test_iter = None
......@@ -63,9 +59,9 @@ class CNNDataLoader_Alexnet:
test_iter = mx.io.NDArrayIter(data=test_data,
label=test_label,
batch_size=test_batch_size)
batch_size=batch_size)
return train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images
return train_iter, test_iter, data_mean, data_std, train_images, test_images
def load_data_img(self, batch_size, img_size):
train_h5, test_h5 = self.load_h5_files()
......
src/test/resources/target_code/CNNDataLoader_CifarClassifierNetwork.py
View file @ cdd27689
......@@ -14,7 +14,7 @@ class CNNDataLoader_CifarClassifierNetwork:
def __init__(self):
self._data_dir = "data/CifarClassifierNetwork/"
def load_data(self, train_batch_size, test_batch_size):
def load_data(self, batch_size):
train_h5, test_h5 = self.load_h5_files()
train_data = {}
......@@ -38,11 +38,7 @@ class CNNDataLoader_CifarClassifierNetwork:
train_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=train_batch_size)
train_test_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=test_batch_size)
batch_size=batch_size)
test_iter = None
......@@ -63,9 +59,9 @@ class CNNDataLoader_CifarClassifierNetwork:
test_iter = mx.io.NDArrayIter(data=test_data,
label=test_label,
batch_size=test_batch_size)
batch_size=batch_size)
return train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images
return train_iter, test_iter, data_mean, data_std, train_images, test_images
def load_data_img(self, batch_size, img_size):
train_h5, test_h5 = self.load_h5_files()
......
src/test/resources/target_code/CNNDataLoader_VGG16.py
View file @ cdd27689
......@@ -14,7 +14,7 @@ class CNNDataLoader_VGG16:
def __init__(self):
self._data_dir = "data/VGG16/"
def load_data(self, train_batch_size, test_batch_size):
def load_data(self, batch_size):
train_h5, test_h5 = self.load_h5_files()
train_data = {}
......@@ -38,11 +38,7 @@ class CNNDataLoader_VGG16:
train_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=train_batch_size)
train_test_iter = mx.io.NDArrayIter(data=train_data,
label=train_label,
batch_size=test_batch_size)
batch_size=batch_size)
test_iter = None
......@@ -63,9 +59,9 @@ class CNNDataLoader_VGG16:
test_iter = mx.io.NDArrayIter(data=test_data,
label=test_label,
batch_size=test_batch_size)
batch_size=batch_size)
return train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images
return train_iter, test_iter, data_mean, data_std, train_images, test_images
def load_data_img(self, batch_size, img_size):
train_h5, test_h5 = self.load_h5_files()
......
src/test/resources/target_code/CNNSupervisedTrainer_Alexnet.py
View file @ cdd27689
......@@ -180,13 +180,15 @@ class CNNSupervisedTrainer_Alexnet:
num_epoch=10,
eval_metric='acc',
eval_metric_params={},
eval_train=False,
loss ='softmax_cross_entropy',
loss_params={},
optimizer='adam',
optimizer_params=(('learning_rate', 0.001),),
load_checkpoint=True,
context='gpu',
checkpoint_period=5,
log_period=50,
context='gpu',
save_attention_image=False,
use_teacher_forcing=False,
normalize=True):
......@@ -212,10 +214,7 @@ class CNNSupervisedTrainer_Alexnet:
del optimizer_params['step_size']
del optimizer_params['learning_rate_decay']
train_batch_size = batch_size
test_batch_size = batch_size
train_iter, train_test_iter, test_iter, data_mean, data_std, train_images, test_images = self._data_loader.load_data(train_batch_size, test_batch_size)
train_iter, test_iter, data_mean, data_std, train_images, test_images = self._data_loader.load_data(batch_size)
if normalize:
self._net_creator.construct(context=mx_context, data_mean=data_mean, data_std=data_std)
......@@ -274,10 +273,11 @@ class CNNSupervisedTrainer_Alexnet:
else:
logging.error("Invalid loss parameter.")
speed_period = 50
tic = None
for epoch in range(begin_epoch, begin_epoch + num_epoch):
loss_total = 0
train_iter.reset()
for batch_i, batch in enumerate(train_iter):
with autograd.record():
......@@ -285,7 +285,7 @@ class CNNSupervisedTrainer_Alexnet:
data_ = batch.data[0].as_in_context(mx_context)
predictions_ = mx.nd.zeros((train_batch_size, 10,), ctx=mx_context)
predictions_ = mx.nd.zeros((batch_size, 10,), ctx=mx_context)
nd.waitall()
......@@ -302,33 +302,39 @@ class CNNSupervisedTrainer_Alexnet:
loss.backward()
loss_total += loss.sum().asscalar()
for trainer in trainers:
trainer.step(batch_size)
if tic is None:
tic = time.time()
else:
if batch_i % speed_period == 0:
if batch_i % log_period == 0:
try:
speed = speed_period * batch_size / (time.time() - tic)
speed = log_period * batch_size / (time.time() - tic)
except ZeroDivisionError:
speed = float("inf")
logging.info("Epoch[%d] Batch[%d] Speed: %.2f samples/sec" % (epoch, batch_i, speed))
loss_avg = loss_total / (batch_size * log_period)
loss_total = 0
logging.info("Epoch[%d] Batch[%d] Speed: %.2f samples/sec Loss: %.5f" % (epoch, batch_i, speed, loss_avg))
tic = time.time()
tic = None
train_test_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
for batch_i, batch in enumerate(train_test_iter):
if True:
if eval_train:
train_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
for batch_i, batch in enumerate(train_iter):
labels = [batch.label[i].as_in_context(mx_context) for i in range(1)]
data_ = batch.data[0].as_in_context(mx_context)
predictions_ = mx.nd.zeros((test_batch_size, 10,), ctx=mx_context)
predictions_ = mx.nd.zeros((batch_size, 10,), ctx=mx_context)
nd.waitall()
......@@ -346,16 +352,16 @@ class CNNSupervisedTrainer_Alexnet:
import matplotlib.pyplot as plt
logging.getLogger('matplotlib').setLevel(logging.ERROR)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
if(os.path.isfile('src/test/resources/training_data/Show_attend_tell/dict.pkl')):
with open('src/test/resources/training_data/Show_attend_tell/dict.pkl', 'rb') as f:
dict = pickle.load(f)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
ax = fig.add_subplot(max_length//3, max_length//4, 1)
ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
for l in range(max_length):
attention = attentionList[l]
......@@ -366,12 +372,12 @@ class CNNSupervisedTrainer_Alexnet:
ax.set_title("<unk>")
elif dict[int(labels[l+1][0].asscalar())] == "<end>":
ax.set_title(".")
img = ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
break
else:
ax.set_title(dict[int(labels[l+1][0].asscalar())])
img = ax.imshow(train_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
img = ax.imshow(train_images[0+batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(attention_resized, cmap='gray', alpha=0.6, extent=img.get_extent())
plt.tight_layout()
......@@ -381,25 +387,27 @@ class CNNSupervisedTrainer_Alexnet:
plt.savefig(target_dir + '/attention_train.png')
plt.close()
predictions = []
for output_name in outputs:
if mx.nd.shape_array(mx.nd.squeeze(output_name)).size > 1:
predictions.append(mx.nd.argmax(output_name, axis=1))
else:
predictions.append(output_name)
predictions = []
for output_name in outputs:
if mx.nd.shape_array(mx.nd.squeeze(output_name)).size > 1:
predictions.append(mx.nd.argmax(output_name, axis=1))
else:
predictions.append(output_name)
metric.update(preds=predictions, labels=labels)
train_metric_score = metric.get()[1]
metric.update(preds=predictions, labels=labels)
train_metric_score = metric.get()[1]
else:
train_metric_score = 0
test_iter.reset()
metric = mx.metric.create(eval_metric, **eval_metric_params)
for batch_i, batch in enumerate(test_iter):
if True:
if True:
labels = [batch.label[i].as_in_context(mx_context) for i in range(1)]
data_ = batch.data[0].as_in_context(mx_context)
predictions_ = mx.nd.zeros((test_batch_size, 10,), ctx=mx_context)
predictions_ = mx.nd.zeros((batch_size, 10,), ctx=mx_context)
nd.waitall()
......@@ -412,12 +420,22 @@ class CNNSupervisedTrainer_Alexnet:
if save_attention_image == "True":
if not eval_train:
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
logging.getLogger('matplotlib').setLevel(logging.ERROR)
if(os.path.isfile('src/test/resources/training_data/Show_attend_tell/dict.pkl')):
with open('src/test/resources/training_data/Show_attend_tell/dict.pkl', 'rb') as f:
dict = pickle.load(f)
plt.clf()
fig = plt.figure(figsize=(15,15))
max_length = len(labels)-1
ax = fig.add_subplot(max_length//3, max_length//4, 1)
ax.imshow(test_images[0+test_batch_size*(batch_i)].transpose(1,2,0))
ax.imshow(test_images[0+batch_size*(batch_i)].transpose(1,2,0))
for l in range(max_length):
attention = attentionList[l]
......@@ -428,15 +446,18 @@ class CNNSupervisedTrainer_Alexnet:
ax.set_title("<unk>")
elif dict[int(mx.nd.slice_axis(outputs[l+1], axis=0, begin=0, end=1).squeeze().asscalar())] == "<end>":
ax.set_title(".")