class DilatedBlockLayerParams(LayerParams):
@classmethod
def name_prefix(cls) -> str:
return "dilated_block"
@classmethod
def cls(cls) -> Type["Layer"]:
return DilatedBlockLayer
def downscale(self, size: IntVec2D) -> IntVec2D:
return IntVec2D(
(size.x + self.strides.x - 1) // self.strides.x,
(size.y + self.strides.y - 1) // self.strides.y,
)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
return IntVec2D(factor.x * self.strides.x, factor.y * self.strides.y)
filters: int = 40
kernel_size: IntVec2D = field(default_factory=lambda: IntVec2D(3, 3))
strides: IntVec2D = field(default_factory=lambda: IntVec2D(1, 1))
padding: str = "same"
activation: str = "relu"
dilated_depth: int = 2
class MaxPool2DLayerParams(LayerParams):
@classmethod
def name_prefix(cls) -> str:
return "maxpool2d"
@classmethod
def cls(cls) -> Type["Layer"]:
return MaxPool2DLayer
def downscale(self, size: IntVec2D) -> IntVec2D:
strides = self.real_strides()
return IntVec2D((size.x + strides.x - 1) // strides.x,
(size.y + strides.y - 1) // strides.y)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
strides = self.real_strides()
return IntVec2D(factor.x * strides.x, factor.y * strides.y)
def real_strides(self) -> IntVec2D:
if self.strides is None:
return self.pool_size
return IntVec2D(
self.strides.x if self.strides.x >= 0 else self.pool_size.x,
self.strides.y if self.strides.y >= 0 else self.pool_size.y,
)
pool_size: IntVec2D = field(default_factory=lambda: IntVec2D(2, 2),
metadata=pai_meta(tuple_like=True))
strides: IntVec2D = field(default_factory=lambda: IntVec2D(-1, -1),
metadata=pai_meta(tuple_like=True))
padding: str = "same"
class TransposedConv2DLayerParams(LayerParams):
@classmethod
def name_prefix(cls) -> str:
return "tconv2d"
@classmethod
def cls(cls) -> Type["Layer"]:
return TransposedConv2DLayer
def downscale(self, size: IntVec2D) -> IntVec2D:
return IntVec2D(size.x * self.strides.x, size.y * self.strides.y)
def downscale_factor(self, size: IntVec2D) -> IntVec2D:
return IntVec2D(
(size.x + self.strides.x - 1) // self.strides.x,
(size.y + self.strides.y - 1) // self.strides.y,
)
filters: int = 40
kernel_size: IntVec2D = field(default_factory=lambda: IntVec2D(3, 3),
metadata=pai_meta(tuple_like=True))
strides: IntVec2D = field(default_factory=lambda: IntVec2D(2, 2),
metadata=pai_meta(tuple_like=True))
padding: str = "same"
activation: str = "relu"
def compute_max_downscale_factor(self) -> IntVec2D:
factor = IntVec2D(1, 1)
max_factor = IntVec2D(1, 1)
for layer in self.layers:
factor = layer.downscale_factor(factor)
max_factor.x = max(max_factor.x, factor.x)
max_factor.y = max(max_factor.y, factor.y)
return max_factor
def test_pure_cnn_architecture(self):
trainer_params = uw3_trainer_params()
trainer_params.scenario.model.layers = [
Conv2DLayerParams(filters=10),
MaxPool2DLayerParams(),
Conv2DLayerParams(filters=20,
strides=IntVec2D(2, 2),
kernel_size=IntVec2D(4, 4)),
Conv2DLayerParams(filters=30),
]
with tempfile.TemporaryDirectory() as d:
trainer_params.output_dir = d
main(trainer_params)
def compute_downscaled(self, size: Union[int, IntVec2D, Tuple[Any, Any]]):
if isinstance(size, int):
for layer in self.layers:
size = layer.downscale(IntVec2D(size, 1)).x
elif isinstance(size, IntVec2D):
for layer in self.layers:
size = layer.downscale(size)
elif isinstance(size, tuple):
for layer in self.layers:
size = layer.downscale(IntVec2D(size[0], size[1]))
size = size.x, size.y
else:
raise NotImplementedError
return size
def real_strides(self) -> IntVec2D:
if self.strides is None:
return self.pool_size
return IntVec2D(
self.strides.x if self.strides.x >= 0 else self.pool_size.x,
self.strides.y if self.strides.y >= 0 else self.pool_size.y,
)
def test_pure_cnn_architecture(self):
trainer_params = uw3_trainer_params()
trainer_params.scenario.model.layers = [
Conv2DLayerParams(filters=10),
MaxPool2DLayerParams(),
Conv2DLayerParams(filters=20,
strides=IntVec2D(2, 2),
kernel_size=IntVec2D(4, 4)),
Conv2DLayerParams(filters=30),
]
post_init(trainer_params)
cmd_line_trainer_params = parse_args(
["--network", "conv=10,pool=2x2,conv=20:4x4:2x2,conv=30"])
self.assertDictEqual(trainer_params.scenario.model.to_dict(),
cmd_line_trainer_params.scenario.model.to_dict())
cmd_line_trainer_params = parse_args([
"--model.layers",
"Conv",
"Pool",
"Conv",
"Conv",
"--model.layers.0.filters",
"10",
"--model.layers.2.filters",
"20",
"--model.layers.2.kernel_size.x",
"4",
"--model.layers.2.kernel_size.y",
"4",
"--model.layers.2.strides.x",
"2",
"--model.layers.2.strides.y",
"2",
"--model.layers.3.filters",
"30",
])
self.assertDictEqual(trainer_params.scenario.model.to_dict(),
cmd_line_trainer_params.scenario.model.to_dict())
with tempfile.TemporaryDirectory() as d:
trainer_params.output_dir = d
main(trainer_params)
class Conv2DLayerParams(LayerParams):
@classmethod
def name_prefix(cls) -> str:
return 'conv2d'
@classmethod
def cls(cls) -> Type['Layer']:
return Conv2DLayer
def downscale(self, size: IntVec2D) -> IntVec2D:
return IntVec2D((size.x + self.strides.x - 1) // self.strides.x, (size.y + self.strides.y - 1) // self.strides.y)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
return IntVec2D(factor.x * self.strides.x, factor.y * self.strides.y)
filters: int = 40
kernel_size: IntVec2D = field(default_factory=lambda: IntVec2D(3, 3))
strides: IntVec2D = field(default_factory=lambda: IntVec2D(1, 1))
padding: str = "same"
activation: str = 'relu'
def default_trainer_params(cls):
p = super().default_trainer_params()
p.scenario.model.layers = [
Conv2DLayerParams(filters=2),
MaxPool2DLayerParams(pool_size=IntVec2D(4, 4)),
BiLSTMLayerParams(hidden_nodes=2),
DropoutLayerParams(rate=0.5),
]
p.gen.setup.val.batch_size = 1
p.gen.setup.val.num_processes = 1
p.gen.setup.train.batch_size = 1
p.gen.setup.train.num_processes = 1
p.epochs = 1
p.samples_per_epoch = 2
p.scenario.data.pre_proc.run_parallel = False
post_init(p)
return p
class MaxPool2DLayerParams(LayerParams):
@classmethod
def name_prefix(cls) -> str:
return "maxpool2d"
@classmethod
def cls(cls) -> Type["Layer"]:
return MaxPool2DLayer
def downscale(self, size: IntVec2D) -> IntVec2D:
strides = self.strides if self.strides is not None else self.pool_size
return IntVec2D((size.x + strides.x - 1) // strides.x, (size.y + strides.y - 1) // strides.y)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
strides = self.strides if self.strides is not None else self.pool_size
return IntVec2D(factor.x * strides.x, factor.y * strides.y)
pool_size: IntVec2D = field(default_factory=lambda: IntVec2D(2, 2))
strides: Optional[IntVec2D] = field(default=None)
padding: str = "same"
def test_dilated_block_architecture(self):
trainer_params = uw3_trainer_params()
trainer_params.scenario.model.layers = [
Conv2DLayerParams(filters=10),
MaxPool2DLayerParams(strides=IntVec2D(2, 2)),
DilatedBlockLayerParams(filters=10),
DilatedBlockLayerParams(filters=10),
Conv2DLayerParams(filters=10),
]
post_init(trainer_params)
cmd_line_trainer_params = parse_args(
["--network", "conv=10,pool=2x2:2x2,db=10:2,db=10:2,conv=10"])
self.assertDictEqual(trainer_params.scenario.model.to_dict(),
cmd_line_trainer_params.scenario.model.to_dict())
cmd_line_trainer_params = parse_args([
"--model.layers",
"Conv",
"Pool",
"DilatedBlock",
"DilatedBlock",
"Conv",
"--model.layers.0.filters",
"10",
"--model.layers.1.strides",
"2",
"2",
"--model.layers.2.filters",
"10",
"--model.layers.3.filters",
"10",
"--model.layers.4.filters",
"10",
])
self.assertDictEqual(trainer_params.scenario.model.to_dict(),
cmd_line_trainer_params.scenario.model.to_dict())
with tempfile.TemporaryDirectory() as d:
trainer_params.output_dir = d
main(trainer_params)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
strides = self.strides if self.strides is not None else self.pool_size
return IntVec2D(factor.x * strides.x, factor.y * strides.y)
def downscale(self, size: IntVec2D) -> IntVec2D:
strides = self.real_strides()
return IntVec2D((size.x + strides.x - 1) // strides.x,
(size.y + strides.y - 1) // strides.y)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
strides = self.real_strides()
return IntVec2D(factor.x * strides.x, factor.y * strides.y)
def downscale(self, size: IntVec2D) -> IntVec2D:
strides = self.strides if self.strides is not None else self.pool_size
return IntVec2D((size.x + strides.x - 1) // strides.x,
(size.y + strides.y - 1) // strides.y)
def compute_downscale_factor(self) -> IntVec2D:
factor = IntVec2D(1, 1)
for layer in self.layers:
factor = layer.downscale_factor(factor)
return factor
def downscale(self, size: IntVec2D) -> IntVec2D:
return IntVec2D((size.x + self.strides.x - 1) // self.strides.x, (size.y + self.strides.y - 1) // self.strides.y)
def downscale_factor(self, factor: IntVec2D) -> IntVec2D:
return IntVec2D(factor.x * self.strides.x, factor.y * self.strides.y)
def downscale(self, size: IntVec2D) -> IntVec2D:
return IntVec2D(size.x * self.strides.x, size.y * self.strides.y)
