def __init__(self, num_class):
self.base1 = rm.Sequential([
InceptionV2Stem(),
InceptionV2BlockA([64, 48, 64, 64, 96, 32]),
InceptionV2BlockA(),
InceptionV2BlockA(),
InceptionV2BlockB(),
InceptionV2BlockC([192, 128, 192, 128, 192, 192]),
InceptionV2BlockC(),
InceptionV2BlockC(),
InceptionV2BlockC()])
self.aux1 = rm.Sequential([
rm.AveragePool2d(filter=5, stride=3),
rm.Conv2d(128, filter=1),
rm.Relu(),
rm.Conv2d(768, filter=1),
rm.Relu(),
rm.Flatten(),
rm.Dense(num_class)])
self.base2 = rm.Sequential([
InceptionV2BlockD(),
InceptionV2BlockE(),
InceptionV2BlockE(),
rm.AveragePool2d(filter=8),
rm.Flatten()])
self.aux2 = rm.Dense(num_class)
def __init__(self,):
channel = 8
intermidiate_dim = 128
self.cnn1 = rm.Sequential([
# 28x28 -> 28x28
rm.Conv2d(channel=channel,filter=3,stride=1,padding=1),
rm.LeakyRelu(),
rm.Dropout(),
# 28x28 -> 14x14
rm.Conv2d(channel=channel*2,filter=3,stride=2,padding=1),
rm.LeakyRelu(),
rm.Dropout(),
# 14x14 -> 8x8
rm.Conv2d(channel=channel*4,filter=3,stride=2,padding=2),
rm.LeakyRelu(),
rm.Dropout(),
# 8x8 -> 4x4
rm.Conv2d(channel=channel*8,filter=3,stride=2,padding=1),
rm.LeakyRelu(),
rm.Dropout(),
])
self.cnn2 = rm.Sequential([
#rm.Dropout(),
rm.Flatten(),
#rm.Dense(intermidiate_dim)
])
self.output = rm.Dense(1)
def __init__(self, num_class):
init_deconv = DeconvInitializer()
self.block1 = layer_factory(channel=64, conv_layer_num=2, first=True)
self.block2 = layer_factory(channel=128, conv_layer_num=2)
self.block3 = layer_factory(channel=256, conv_layer_num=3)
self.block4 = layer_factory(channel=512, conv_layer_num=3)
self.block5 = layer_factory(channel=512, conv_layer_num=3)
self.fc6 = rm.Conv2d(4096, filter=7, stride=1, padding=0)
self.dr1 = rm.Dropout(dropout_ratio=0.5)
self.fc7 = rm.Conv2d(4096, filter=1, stride=1, padding=0)
self.dr2 = rm.Dropout(dropout_ratio=0.5)
self.score_fr = rm.Conv2d(num_class, filter=1, stride=1,
padding=0) # n_classes
self.score_pool4 = rm.Conv2d(num_class, filter=1, padding=0)
self.upscore2 = rm.Deconv2d(num_class,
filter=4,
stride=2,
padding=0,
ignore_bias=True,
initializer=init_deconv) # n_classes
self.upscore16 = rm.Deconv2d(num_class,
filter=32,
stride=16,
padding=0,
ignore_bias=True,
initializer=init_deconv) # n_classes
def denseblock(
self,
dim_v=8,
dim_h=8,
input_channels=10,
dropout=False,
out_ch=0.5,
):
parameters = []
c = input_channels
print('-> {}'.format(c))
for _ in range(self.depth):
c += self.growth_rate
print('Batch Normalize')
parameters.append(rm.BatchNormalize())
print(' Conv2d > {}x{} {}ch'.format(dim_v, dim_h,
self.growth_rate))
parameters.append(
rm.Conv2d(self.growth_rate, filter=3, padding=(1, 1)))
if self.dropout:
print(' Dropout')
c = int(c*out_ch) if isinstance(out_ch, float) \
else out_ch
print('*Conv2d > {}x{} {}ch'.format(dim_v, dim_h, c))
parameters.append(rm.Conv2d(c, filter=1))
if self.dropout:
print(' Dropout')
print(' Average Pooling')
print('<- {}'.format(c))
return parameters, c
def conv_block(growth_rate):
return rm.Sequential([
rm.BatchNormalize(epsilon=0.001, mode='feature'),
rm.Relu(),
rm.Conv2d(growth_rate * 4, 1, padding=0),
rm.BatchNormalize(epsilon=0.001, mode='feature'),
rm.Relu(),
rm.Conv2d(growth_rate, 3, padding=1),
])
def __init__(self, channels=[64, 96, 384]):
self.conv1_reduced = rm.Conv2d(channels[0], filter=1)
self.batch_norm1_reduced = rm.BatchNormalize(mode='feature')
self.conv1_1 = rm.Conv2d(channels[1], filter=3, padding=1)
self.batch_norm1_1 = rm.BatchNormalize(mode='feature')
self.conv1_2 = rm.Conv2d(channels[1], filter=3, stride=2)
self.batch_norm1_2 = rm.BatchNormalize(mode='feature')
self.conv2 = rm.Conv2d(channels[2], filter=3, stride=2)
self.batch_norm2 = rm.BatchNormalize(mode='feature')
def __init__(self):
super(Cifar10, self).__init__()
self._l1 = rm.Conv2d(channel=32)
self._l2 = rm.Conv2d(channel=32)
self._l3 = rm.Conv2d(channel=64)
self._l4 = rm.Conv2d(channel=64)
self._l5 = rm.Dense(512)
self._l6 = rm.Dense(10)
self._sd = rm.SpatialDropout(dropout_ratio=0.25)
self._pool = rm.MaxPool2d(filter=2, stride=2)
def layer_factory(channel=64, conv_layer_num=2, first=None):
layers = []
for _ in range(conv_layer_num):
if first is not None:
layers.append(rm.Conv2d(channel=channel, padding=100, filter=3))
layers.append(rm.Relu())
first = None
else:
layers.append(rm.Conv2d(channel=channel, padding=1, filter=3))
layers.append(rm.Relu())
layers.append(MaxPool2d(filter=2, stride=2, ceil_mode=True))
return rm.Sequential(layers)
def __init__(self, channels=[192, 320, 192, 192]):
self.conv1_reduced = rm.Conv2d(channels[0], filter=1)
self.batch_norm1_reduced = rm.BatchNormalize(mode='feature')
self.conv1 = rm.Conv2d(channels[1], filter=3, stride=2)
self.batch_norm1 = rm.BatchNormalize(mode='feature')
self.conv2_reduced = rm.Conv2d(channels[2], filter=1)
self.batch_norm2_reduced = rm.BatchNormalize(mode='feature')
self.conv2_1 = rm.Conv2d(channels[3], filter=3, padding=1)
self.batch_norm2_1 = rm.BatchNormalize(mode='feature')
self.conv2_2 = rm.Conv2d(channels[3], filter=3, stride=2)
self.batch_norm2_2 = rm.BatchNormalize(mode='feature')
def __init__(self):
# k, l, m, n
# 192, 224, 256, 384
self.conv1 = rm.Conv2d(384, filter=3, stride=2)
self.batch_norm1 = rm.BatchNormalize(mode='feature')
self.conv2_red = rm.Conv2d(192, filter=1)
self.batch_norm2_red = rm.BatchNormalize(mode='feature')
self.conv2_1 = rm.Conv2d(224, filter=3, padding=1)
self.batch_norm2_1 = rm.BatchNormalize(mode='feature')
self.conv2_2 = rm.Conv2d(256, filter=3, stride=2)
self.batch_norm2_2 = rm.BatchNormalize(mode='feature')
def __init__(self, num_class):
self.block1 = layer_factory(channel=64, conv_layer_num=2)
self.block2 = layer_factory(channel=128, conv_layer_num=2)
self.block3 = layer_factory(channel=256, conv_layer_num=3)
self.block4 = layer_factory(channel=512, conv_layer_num=3)
self.block5 = layer_factory(channel=512, conv_layer_num=3)
self.fc6 = rm.Conv2d(4096, filter=7, padding=3)
self.fc7 = rm.Conv2d(4096, filter=1)
self.score_fr = rm.Conv2d(num_class, filter=1) # n_classes
self.upscore = rm.Deconv2d(num_class, stride=32, padding=0,
filter=32) # n_classes
def transition_layer(growth_rate):
return rm.Sequential([
rm.BatchNormalize(epsilon=0.001, mode='feature'),
rm.Relu(),
rm.Conv2d(growth_rate, filter=1, padding=0, stride=1),
rm.AveragePool2d(filter=2, stride=2)
])
def __init__(self, num_classes, block, layers, cardinality):
self.inplanes = 128
self.cardinality = cardinality
super(ResNeXt, self).__init__()
self.conv1 = rm.Conv2d(64,
filter=7,
stride=2,
padding=3,
ignore_bias=True)
self.bn1 = rm.BatchNormalize(epsilon=0.00001, mode='feature')
self.relu = rm.Relu()
self.maxpool = rm.MaxPool2d(filter=3, stride=2, padding=1)
self.layer1 = self._make_layer(block,
128,
layers[0],
stride=1,
cardinality=self.cardinality)
self.layer2 = self._make_layer(block,
256,
layers[1],
stride=2,
cardinality=self.cardinality)
self.layer3 = self._make_layer(block,
512,
layers[2],
stride=2,
cardinality=self.cardinality)
self.layer4 = self._make_layer(block,
1024,
layers[3],
stride=2,
cardinality=self.cardinality)
self.flat = rm.Flatten()
self.fc = rm.Dense(num_classes)
def conv3x3(out_planes, stride=1):
"""3x3 convolution with padding"""
return rm.Conv2d(out_planes,
filter=3,
stride=stride,
padding=1,
ignore_bias=True)
def layer_factory_deconv(channel_list=[512, 256]):
layers = []
layers.append(
rm.Conv2d(channel=channel_list[0],
padding=1,
filter=3,
initializer=GlorotUniform()))
layers.append(rm.Relu())
if 'ceil_mode' in inspect.signature(rm.Deconv2d).parameters:
layers.append(
rm.Deconv2d(channel=channel_list[1],
padding=1,
filter=3,
stride=2,
initializer=GlorotUniform(),
ceil_mode=True))
else:
layers.append(
Deconv2d(channel=channel_list[1],
padding=1,
filter=3,
stride=2,
initializer=GlorotUniform(),
ceil_mode=True))
layers.append(rm.Relu())
return rm.Sequential(layers)
def test_gpu_node_convolution2d(a):
with use_cuda():
layer = rm.Conv2d(channel=32)
layer.params["w"] = rm.Variable(np.random.rand(32, 3, 3, 3))
layer.params["b"] = rm.Variable(np.random.rand(1, 32, 1, 1))
g1 = Variable(a)
g2 = layer(g1)
g3 = rm.sum(g2)
g = g3.grad()
g_g1 = g.get(layer.params["w"])
g_g2 = g.get(layer.params["b"])
g_g3 = g.get(g1)
g2.to_cpu()
g3.to_cpu()
c2 = layer(g1)
c3 = rm.sum(c2)
c = c3.grad()
c_g1 = c.get(layer.params["w"])
c_g2 = c.get(layer.params["b"])
c_g3 = g.get(g1)
close(g2, c2)
close(g3, c3)
close(c_g1, g_g1)
close(c_g2, g_g2)
close(c_g3, g_g3)
def layer_factory(channel=32, conv_layer_num=2):
layers = []
for _ in range(conv_layer_num):
layers.append(rm.Conv2d(channel=channel, padding=1, filter=3))
layers.append(rm.Relu())
layers.append(rm.MaxPool2d(filter=2, stride=2))
return rm.Sequential(layers)
def test_conv2d(tmpdir):
model = rm.Sequential([
rm.Conv2d(channel=32, filter=3, padding=1),
])
input = renom.Variable(np.random.random((10, 10, 10, 10)))
m = _run_onnx(tmpdir, model, input)
assert m.graph.node[0].op_type == 'Conv'
attrs = dict((a.name, a) for a in m.graph.node[0].attribute)
assert attrs['pads'].ints == [1, 1]
assert attrs['dilations'].ints == [1, 1]
assert attrs['kernel_shape'].ints == [3, 3]
assert attrs['strides'].ints == [1, 1]
id_input, w, b = m.graph.node[0].input
# check input
assert 'input' == id_input
assert get_shape(m.graph.input[0]) == input.shape
conv2d = model._layers[0]
inis = load_initializer(m.graph.initializer)
# check w
assert get_shape(m.graph.input[1]) == conv2d.params.w.shape
_test_initializer(inis, w, conv2d.params.w)
# check b
assert get_shape(m.graph.input[2]) == (np.prod(conv2d.params.b.shape), )
_test_initializer(inis, b, conv2d.params.b)
# check output
assert get_shape(m.graph.output[0]) == (10, 32, 10, 10)
def __init__(self,
class_map=None,
cells=7,
bbox=2,
imsize=(224, 224),
load_pretrained_weight=False,
train_whole_network=False):
if not hasattr(cells, "__getitem__"):
cells = (cells, cells)
self._cells = cells
self._bbox = bbox
model = Darknet()
super(Yolov1, self).__init__(class_map, imsize, load_pretrained_weight,
train_whole_network, model)
self._last_dense_size = (self.num_class +
5 * bbox) * cells[0] * cells[1]
self._freezed_network = rm.Sequential(model[:-4])
self._network = rm.Sequential([
rm.Conv2d(channel=1024, filter=3, padding=1, ignore_bias=True),
rm.BatchNormalize(mode='feature'),
rm.LeakyRelu(slope=0.1),
rm.Conv2d(channel=1024,
filter=3,
padding=1,
stride=2,
ignore_bias=True),
rm.BatchNormalize(mode='feature'),
rm.LeakyRelu(slope=0.1),
rm.Conv2d(channel=1024, filter=3, padding=1, ignore_bias=True),
rm.BatchNormalize(mode='feature'),
rm.LeakyRelu(slope=0.1),
rm.Conv2d(channel=1024, filter=3, padding=1, ignore_bias=True),
rm.BatchNormalize(mode='feature'),
rm.LeakyRelu(slope=0.1),
rm.Flatten(),
rm.Dense(
4096
), # instead of locally connected layer, we are using Dense layer
rm.LeakyRelu(slope=0.1),
rm.Dropout(0.5),
rm.Dense(self._last_dense_size)
])
self._opt = rm.Sgd(0.0005, 0.9)
def __init__(self, inplanes, planes, stride=1, downsample=None):
super(Bottleneck, self).__init__()
self.conv1 = rm.Conv2d(planes, filter=1, ignore_bias=True)
self.bn1 = rm.BatchNormalize(mode='feature')
self.conv2 = rm.Conv2d(planes,
filter=3,
stride=stride,
padding=1,
ignore_bias=True)
self.bn2 = rm.BatchNormalize(mode='feature')
self.conv3 = rm.Conv2d(planes * self.expansion,
filter=1,
ignore_bias=True)
self.bn3 = rm.BatchNormalize(mode='feature')
self.relu = rm.Relu()
self.downsample = downsample
self.stride = stride
def __init__(self, channel, filter=3, prev_ch=None):
pad = int((filter - 1) / 2)
if prev_ch is not None:
self._conv = rm.Conv2d(channel=channel, filter=filter, padding=pad)
self._conv.params = {
"w":
rm.Variable(self._conv._initializer(
(channel, prev_ch, filter, filter)),
auto_update=True),
"b":
rm.Variable(np.zeros((1, channel, 1, 1), dtype=np.float32),
auto_update=False),
}
self._bn = rm.BatchNormalize(mode='feature', momentum=0.99)
else:
self._conv = rm.Conv2d(channel=channel, filter=filter, padding=pad)
self._bn = rm.BatchNormalize(mode='feature', momentum=0.99)
def layer_factory(channel_list=[64]):
layers = []
for i in range(len(channel_list)):
layers.append(
rm.Conv2d(channel=channel_list[i],
padding=1,
filter=3,
initializer=GlorotUniform()))
layers.append(rm.Relu())
return rm.Sequential(layers)
def __init__(self, planes, stride=1, downsample=None, cardinality=32):
super(Bottleneck, self).__init__()
self.cardinality = cardinality
self.conv1 = rm.Conv2d(planes, filter=1, ignore_bias=True)
self.bn1 = rm.BatchNormalize(epsilon=0.00001, mode='feature')
self.conv2 = rm.GroupConv2d(planes,
filter=3,
stride=stride,
padding=1,
ignore_bias=True,
groups=self.cardinality)
self.bn2 = rm.BatchNormalize(epsilon=0.00001, mode='feature')
self.conv3 = rm.Conv2d(planes * self.expansion,
filter=1,
ignore_bias=True)
self.bn3 = rm.BatchNormalize(epsilon=0.00001, mode='feature')
self.relu = rm.Relu()
self.downsample = downsample
self.stride = stride
def denseblock(self, dim=8, input_channels=10, dropout=False):
parameters = []
c = input_channels
print('-> {}'.format(c))
for _ in range(self.depth):
c += self.growth_rate
print('Batch Normalize')
parameters.append(rm.BatchNormalize())
print(' Conv2d > {}x{} {}ch'.format(dim, dim, self.growth_rate))
parameters.append(
rm.Conv2d(self.growth_rate, filter=3, padding=(1, 1)))
if self.dropout:
print('Dropout')
c = int(c * self.compression)
print('*Conv2d > {}x{} {}ch'.format(dim, dim, c))
parameters.append(rm.Conv2d(c, filter=1))
print(' Average Pooling')
print('<- {}'.format(c))
return parameters, c
def __init__(self, num_class=1000):
self._num_class = num_class
self._base = Darknet19Base()
self._last = rm.Conv2d(num_class, filter=1)
self._last.params = {
"w":
rm.Variable(self._last._initializer((num_class, 1024, 1, 1)),
auto_update=True),
"b":
rm.Variable(self._last._initializer((1, num_class, 1, 1)),
auto_update=False),
}
def __init__(self, channels=[64, 96, 128, 16, 32]):
self.conv1 = rm.Conv2d(channels[0], filter=1)
self.conv2_reduced = rm.Conv2d(channels[1], filter=1)
self.conv2 = rm.Conv2d(channels[2], filter=3, padding=1)
self.conv3_reduced = rm.Conv2d(channels[1], filter=1)
self.conv3 = rm.Conv2d(channels[2], filter=5, padding=2)
self.conv4 = rm.Conv2d(channels[1], filter=1)
def __init__(self,
input_shape=(28, 28),
blocks=2,
depth=3,
growth_rate=12,
latent_dim=10,
dropout=False,
intermidiate_dim=128,
compression=0.5,
initial_channel=8):
self.depth = depth
self.input_shape = input_shape
self.latent_dim = latent_dim
self.dropout = dropout
self.intermidiate_dim = intermidiate_dim
self.compression = compression
self.growth_rate = growth_rate
self.blocks = blocks
print('--- Ecoding Network ---')
parameters = []
channels = initial_channel
dim = self.input_shape[0]
print('Input image {}x{}'.format(dim, dim))
dim = dim // 2
print(' Conv2d > {}x{} {}ch'.format(dim, dim, channels))
self.input = rm.Conv2d(channels, filter=5, padding=2, stride=2)
for _ in range(blocks):
t_params, channels = self.denseblock(
dim=dim,
input_channels=channels,
)
parameters += t_params
dim = (dim + 1) // 2
self.hidden = rm.Sequential(parameters)
nb_parameters = dim * dim * channels
print(' Flatten {} params'.format(nb_parameters))
parameters = []
fcnn_depth = int(
(np.log(nb_parameters / intermidiate_dim)) / np.log(4))
nb_parameters = nb_parameters // 4
for _ in range(fcnn_depth):
print(' Dense {}u'.format(nb_parameters))
parameters.append(rm.Dense(nb_parameters))
nb_parameters = nb_parameters // 4
print(' Dense {}u'.format(intermidiate_dim))
parameters.append(rm.Dense(intermidiate_dim))
print('*Mean Dense {}u'.format(latent_dim))
parameters.append(rm.Dense(latent_dim, initializer=Uniform()))
print('*Log Var Dense {}u'.format(latent_dim))
parameters.append(rm.Dense(latent_dim, initializer=Gaussian(std=0.3)))
self.fcnn = rm.Sequential(parameters)
def exp_convolution1():
np.random.seed(10)
# Caused by CUDNN_CONVOLUTION_FWD_ALGO_GEMM is not deterministic.
# 1724.07080078 GPU
# 1715.86767578 CPU
cuda.set_cuda_active(True)
a = np.random.randn(8 * 2, 64, 32, 32).astype(np.float32)
b = np.random.randn(8 * 2, 32, 28, 28).astype(np.float32)
layer1 = rm.Conv2d(channel=32, input_size=a.shape[1:])
layer2 = rm.Conv2d(channel=32, input_size=(32, 30, 30))
ga = rm.Variable(a, auto_update=False)
gb = rm.Variable(b, auto_update=False)
opt = Sgd(0.0001, momentum=0.0)
start_t = time.time()
for _ in range(100):
loss = rm.Sum((layer2(rm.Relu(layer1(ga))) - gb)**2) / 8
loss.ensure_cpu()
grad = loss.grad()
grad.update(opt)
print(loss)
print(time.time() - start_t)
def __init__(self, num_class):
self.base1 = rm.Sequential([rm.Conv2d(64, filter=7, padding=3, stride=2),
rm.Relu(),
rm.MaxPool2d(filter=3, stride=2, padding=1),
rm.BatchNormalize(mode='feature'),
rm.Conv2d(64, filter=1, stride=1),
rm.Relu(),
rm.Conv2d(192, filter=3, padding=1, stride=1),
rm.Relu(),
rm.BatchNormalize(mode='feature'),
rm.MaxPool2d(filter=3, stride=2, padding=1),
InceptionV1Block(),
InceptionV1Block([128, 128, 192, 32, 96, 64]),
rm.MaxPool2d(filter=3, stride=2),
InceptionV1Block([192, 96, 208, 16, 48, 64]),
])
self.aux1 = rm.Sequential([rm.AveragePool2d(filter=5, stride=3),
rm.Flatten(),
rm.Dense(1024),
rm.Dense(num_class)])
self.base2 = rm.Sequential([InceptionV1Block([160, 112, 224, 24, 64, 64]),
InceptionV1Block([128, 128, 256, 24, 64, 64]),
InceptionV1Block([112, 144, 288, 32, 64, 64])])
self.aux2 = rm.Sequential([rm.AveragePool2d(filter=5, stride=3),
rm.Flatten(),
rm.Dense(1024),
rm.Dense(num_class)])
self.base3 = rm.Sequential([InceptionV1Block([256, 160, 320, 32, 128, 128]),
InceptionV1Block([256, 160, 320, 32, 128, 128]),
InceptionV1Block([192, 384, 320, 48, 128, 128]),
rm.AveragePool2d(filter=7, stride=1),
rm.Flatten()])
self.aux3 = rm.Dense(num_class)
def __init__(self, num_class):
self.block1 = layer_factory(channel=64, conv_layer_num=2)
self.block2 = layer_factory(channel=128, conv_layer_num=2)
self.block3 = layer_factory(channel=256, conv_layer_num=3)
self.block4 = layer_factory(channel=512, conv_layer_num=3)
self.block5 = layer_factory(channel=512, conv_layer_num=3)
self.fc6 = rm.Conv2d(4096, filter=7, padding=3)
self.dr1 = rm.Dropout(0.5)
self.fc7 = rm.Conv2d(4096, filter=1)
self.dr2 = rm.Dropout(0.5)
self.score_fr = rm.Conv2d(num_class, filter=1)
self.upscore2 = rm.Deconv2d(num_class, filter=2, stride=2, padding=0)
self.upscore8 = rm.Deconv2d(num_class, filter=8, stride=8, padding=0)
self.score_pool3 = rm.Conv2d(num_class, filter=1)
self.score_pool4 = rm.Conv2d(num_class, filter=1)
self.upscore_pool4 = rm.Deconv2d(num_class,
filter=2,
stride=2,
padding=0)