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value | url stringlengths 87 315 | code_tokens listlengths 19 28.4k | sha stringlengths 40 40 |
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train | get_squeezenet | r"""SqueezeNet model from the `"SqueezeNet: AlexNet-level accuracy with 50x fewer parameters
and <0.5MB model size" <https://arxiv.org/abs/1602.07360>`_ paper.
SqueezeNet 1.1 model from the `official SqueezeNet repo
<https://github.com/DeepScale/SqueezeNet/tree/master/SqueezeNet_v1.1>`_.
SqueezeNet 1.1 ... | python/mxnet/gluon/model_zoo/vision/squeezenet.py | def get_squeezenet(version, pretrained=False, ctx=cpu(),
root=os.path.join(base.data_dir(), 'models'), **kwargs):
r"""SqueezeNet model from the `"SqueezeNet: AlexNet-level accuracy with 50x fewer parameters
and <0.5MB model size" <https://arxiv.org/abs/1602.07360>`_ paper.
SqueezeNet 1.1 ... | def get_squeezenet(version, pretrained=False, ctx=cpu(),
root=os.path.join(base.data_dir(), 'models'), **kwargs):
r"""SqueezeNet model from the `"SqueezeNet: AlexNet-level accuracy with 50x fewer parameters
and <0.5MB model size" <https://arxiv.org/abs/1602.07360>`_ paper.
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train | parse_helper | Helper function to parse operator attributes in required format. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def parse_helper(attrs, attrs_name, alt_value=None):
"""Helper function to parse operator attributes in required format."""
tuple_re = re.compile('\([0-9L|,| ]+\)')
if not attrs:
return alt_value
attrs_str = None if attrs.get(attrs_name) is None else str(attrs.get(attrs_name))
if attrs_str i... | def parse_helper(attrs, attrs_name, alt_value=None):
"""Helper function to parse operator attributes in required format."""
tuple_re = re.compile('\([0-9L|,| ]+\)')
if not attrs:
return alt_value
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train | transform_padding | Helper function to convert padding format for pad operator. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def transform_padding(pad_width):
"""Helper function to convert padding format for pad operator.
"""
num_pad_values = len(pad_width)
onnx_pad_width = [0]*num_pad_values
start_index = 0
# num_pad_values will always be multiple of 2
end_index = int(num_pad_values/2)
for idx in range(0, nu... | def transform_padding(pad_width):
"""Helper function to convert padding format for pad operator.
"""
num_pad_values = len(pad_width)
onnx_pad_width = [0]*num_pad_values
start_index = 0
# num_pad_values will always be multiple of 2
end_index = int(num_pad_values/2)
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train | convert_string_to_list | Helper function to convert string to list.
Used to convert shape attribute string to list format. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_string_to_list(string_val):
"""Helper function to convert string to list.
Used to convert shape attribute string to list format.
"""
result_list = []
list_string = string_val.split(',')
for val in list_string:
val = str(val.strip())
val = val.replace("(", "")
... | def convert_string_to_list(string_val):
"""Helper function to convert string to list.
Used to convert shape attribute string to list format.
"""
result_list = []
list_string = string_val.split(',')
for val in list_string:
val = str(val.strip())
val = val.replace("(", "")
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train | get_inputs | Helper function to get inputs | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def get_inputs(node, kwargs):
"""Helper function to get inputs"""
name = node["name"]
proc_nodes = kwargs["proc_nodes"]
index_lookup = kwargs["index_lookup"]
inputs = node["inputs"]
attrs = node.get("attrs", {})
input_nodes = []
for ip in inputs:
input_node_id = index_lookup[ip[... | def get_inputs(node, kwargs):
"""Helper function to get inputs"""
name = node["name"]
proc_nodes = kwargs["proc_nodes"]
index_lookup = kwargs["index_lookup"]
inputs = node["inputs"]
attrs = node.get("attrs", {})
input_nodes = []
for ip in inputs:
input_node_id = index_lookup[ip[... | [
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train | create_basic_op_node | Helper function to create a basic operator
node that doesn't contain op specific attrs | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def create_basic_op_node(op_name, node, kwargs):
"""Helper function to create a basic operator
node that doesn't contain op specific attrs"""
name, input_nodes, _ = get_inputs(node, kwargs)
node = onnx.helper.make_node(
op_name,
input_nodes,
[name],
name=name
)
r... | def create_basic_op_node(op_name, node, kwargs):
"""Helper function to create a basic operator
node that doesn't contain op specific attrs"""
name, input_nodes, _ = get_inputs(node, kwargs)
node = onnx.helper.make_node(
op_name,
input_nodes,
[name],
name=name
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train | convert_weights_and_inputs | Helper function to convert weights and inputs. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_weights_and_inputs(node, **kwargs):
"""Helper function to convert weights and inputs.
"""
name, _, _ = get_inputs(node, kwargs)
if kwargs["is_input"] is False:
weights = kwargs["weights"]
initializer = kwargs["initializer"]
np_arr = weights[name]
data_type = ... | def convert_weights_and_inputs(node, **kwargs):
"""Helper function to convert weights and inputs.
"""
name, _, _ = get_inputs(node, kwargs)
if kwargs["is_input"] is False:
weights = kwargs["weights"]
initializer = kwargs["initializer"]
np_arr = weights[name]
data_type = ... | [
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train | convert_convolution | Map MXNet's convolution operator attributes to onnx's Conv operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_convolution(node, **kwargs):
"""Map MXNet's convolution operator attributes to onnx's Conv operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
kernel_dims = list(parse_helper(attrs, "kernel"))
stride_dims = list(parse_helper(attrs, "stride",... | def convert_convolution(node, **kwargs):
"""Map MXNet's convolution operator attributes to onnx's Conv operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
kernel_dims = list(parse_helper(attrs, "kernel"))
stride_dims = list(parse_helper(attrs, "stride",... | [
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train | convert_deconvolution | Map MXNet's deconvolution operator attributes to onnx's ConvTranspose operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_deconvolution(node, **kwargs):
"""Map MXNet's deconvolution operator attributes to onnx's ConvTranspose operator
and return the created node.
"""
name, inputs, attrs = get_inputs(node, kwargs)
kernel_dims = list(parse_helper(attrs, "kernel"))
stride_dims = list(parse_helper(attrs, "... | def convert_deconvolution(node, **kwargs):
"""Map MXNet's deconvolution operator attributes to onnx's ConvTranspose operator
and return the created node.
"""
name, inputs, attrs = get_inputs(node, kwargs)
kernel_dims = list(parse_helper(attrs, "kernel"))
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train | convert_crop | Map MXNet's crop operator attributes to onnx's Crop operator
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"""Map MXNet's crop operator attributes to onnx's Crop operator
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"""
name, inputs, attrs = get_inputs(node, kwargs)
num_inputs = len(inputs)
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h, w = list(parse_helper(attrs, "h_w"... | def convert_crop(node, **kwargs):
"""Map MXNet's crop operator attributes to onnx's Crop operator
and return the created node.
"""
name, inputs, attrs = get_inputs(node, kwargs)
num_inputs = len(inputs)
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train | convert_fully_connected | Map MXNet's FullyConnected operator attributes to onnx's Gemm operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_fully_connected(node, **kwargs):
"""Map MXNet's FullyConnected operator attributes to onnx's Gemm operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
initializer = kwargs["initializer"]
no_bias = get_boolean_attribute_value(attrs, "no_bias"... | def convert_fully_connected(node, **kwargs):
"""Map MXNet's FullyConnected operator attributes to onnx's Gemm operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
initializer = kwargs["initializer"]
no_bias = get_boolean_attribute_value(attrs, "no_bias"... | [
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train | convert_batchnorm | Map MXNet's BatchNorm operator attributes to onnx's BatchNormalization operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_batchnorm(node, **kwargs):
"""Map MXNet's BatchNorm operator attributes to onnx's BatchNormalization operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
momentum = float(attrs.get("momentum", 0.9))
eps = float(attrs.get("eps", 0.001))
b... | def convert_batchnorm(node, **kwargs):
"""Map MXNet's BatchNorm operator attributes to onnx's BatchNormalization operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
momentum = float(attrs.get("momentum", 0.9))
eps = float(attrs.get("eps", 0.001))
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train | convert_activation | Map MXNet's Activation operator attributes to onnx's Tanh/Relu operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_activation(node, **kwargs):
"""Map MXNet's Activation operator attributes to onnx's Tanh/Relu operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
act_type = attrs["act_type"]
# Creating a dictionary here, but if this titlecase pattern
#... | def convert_activation(node, **kwargs):
"""Map MXNet's Activation operator attributes to onnx's Tanh/Relu operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
act_type = attrs["act_type"]
# Creating a dictionary here, but if this titlecase pattern
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train | convert_pad | Map MXNet's pad operator attributes to onnx's Pad operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_pad(node, **kwargs):
"""Map MXNet's pad operator attributes to onnx's Pad operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mxnet_pad_width = convert_string_to_list(attrs.get("pad_width"))
onnx_pad_width = transform_padding(mxnet_pad_width... | def convert_pad(node, **kwargs):
"""Map MXNet's pad operator attributes to onnx's Pad operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mxnet_pad_width = convert_string_to_list(attrs.get("pad_width"))
onnx_pad_width = transform_padding(mxnet_pad_width... | [
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train | create_helper_trans_node | create extra transpose node for dot operator | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def create_helper_trans_node(op_name, input_node, node_name):
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return tr... | def create_helper_trans_node(op_name, input_node, node_name):
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train | convert_dot | Map MXNet's dot operator attributes to onnx's
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name, input_nodes, attrs = get_inputs(node, kwargs)
input_node_a = input_nodes[0]
input_node_b = input_nodes[1]
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name, input_nodes, attrs = get_inputs(node, kwargs)
input_node_a = input_nodes[0]
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train | convert_linalg_gemm2 | Map MXNet's _linalg_gemm2 operator attributes to onnx's
MatMul and Transpose operators based on the values set for
transpose_a, transpose_b attributes.
Return multiple nodes created. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_linalg_gemm2(node, **kwargs):
"""Map MXNet's _linalg_gemm2 operator attributes to onnx's
MatMul and Transpose operators based on the values set for
transpose_a, transpose_b attributes.
Return multiple nodes created.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Getti... | def convert_linalg_gemm2(node, **kwargs):
"""Map MXNet's _linalg_gemm2 operator attributes to onnx's
MatMul and Transpose operators based on the values set for
transpose_a, transpose_b attributes.
Return multiple nodes created.
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name, input_nodes, attrs = get_inputs(node, kwargs)
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train | convert_pooling | Map MXNet's Pooling operator attributes to onnx's
MaxPool/AveragePool/GlobalMaxPool/GlobalAveragePool operators
based on the input node's attributes and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_pooling(node, **kwargs):
"""Map MXNet's Pooling operator attributes to onnx's
MaxPool/AveragePool/GlobalMaxPool/GlobalAveragePool operators
based on the input node's attributes and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
kernel = eval(attrs["... | def convert_pooling(node, **kwargs):
"""Map MXNet's Pooling operator attributes to onnx's
MaxPool/AveragePool/GlobalMaxPool/GlobalAveragePool operators
based on the input node's attributes and return the created node.
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name, input_nodes, attrs = get_inputs(node, kwargs)
kernel = eval(attrs["... | [
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train | convert_instancenorm | Map MXNet's InstanceNorm operator attributes to onnx's InstanceNormalization operator
based on the input node's attributes and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_instancenorm(node, **kwargs):
"""Map MXNet's InstanceNorm operator attributes to onnx's InstanceNormalization operator
based on the input node's attributes and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
eps = float(attrs.get("eps", 0.001))
node... | def convert_instancenorm(node, **kwargs):
"""Map MXNet's InstanceNorm operator attributes to onnx's InstanceNormalization operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
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train | convert_leakyrelu | Map MXNet's LeakyReLU operator attributes to onnx's Elu/LeakyRelu/PRelu operators
based on the input node's attributes and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_leakyrelu(node, **kwargs):
"""Map MXNet's LeakyReLU operator attributes to onnx's Elu/LeakyRelu/PRelu operators
based on the input node's attributes and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
act_type = attrs.get("act_type", "leaky")
alpha =... | def convert_leakyrelu(node, **kwargs):
"""Map MXNet's LeakyReLU operator attributes to onnx's Elu/LeakyRelu/PRelu operators
based on the input node's attributes and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
act_type = attrs.get("act_type", "leaky")
alpha =... | [
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train | convert_softmax | Map MXNet's softmax operator attributes to onnx's Softmax operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_softmax(node, **kwargs):
"""Map MXNet's softmax operator attributes to onnx's Softmax operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis", -1))
softmax_node = onnx.helper.make_node(
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inp... | def convert_softmax(node, **kwargs):
"""Map MXNet's softmax operator attributes to onnx's Softmax operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis", -1))
softmax_node = onnx.helper.make_node(
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train | convert_softmax_output | Map MXNet's SoftmaxOutput operator attributes to onnx's Softmax operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_softmax_output(node, **kwargs):
"""Map MXNet's SoftmaxOutput operator attributes to onnx's Softmax operator
and return the created node.
"""
name = node["name"]
input1_idx = kwargs["index_lookup"][node["inputs"][0][0]]
input1 = kwargs["proc_nodes"][input1_idx]
softmax_node = on... | def convert_softmax_output(node, **kwargs):
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"""
name = node["name"]
input1_idx = kwargs["index_lookup"][node["inputs"][0][0]]
input1 = kwargs["proc_nodes"][input1_idx]
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train | convert_logistic_regression_output | Map MXNet's SoftmaxOutput operator attributes to onnx's Softmax operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_logistic_regression_output(node, **kwargs):
"""Map MXNet's SoftmaxOutput operator attributes to onnx's Softmax operator
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"""
name = node["name"]
input1_idx = kwargs["index_lookup"][node["inputs"][0][0]]
input1 = kwargs["proc_nodes"][input1_idx]
sigmoid... | def convert_logistic_regression_output(node, **kwargs):
"""Map MXNet's SoftmaxOutput operator attributes to onnx's Softmax operator
and return the created node.
"""
name = node["name"]
input1_idx = kwargs["index_lookup"][node["inputs"][0][0]]
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train | convert_concat | Map MXNet's Concat operator attributes to onnx's Concat operator
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"""Map MXNet's Concat operator attributes to onnx's Concat operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("dim", 1))
concat_node = onnx.helper.make_node(
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input_nodes... | def convert_concat(node, **kwargs):
"""Map MXNet's Concat operator attributes to onnx's Concat operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("dim", 1))
concat_node = onnx.helper.make_node(
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train | convert_transpose | Map MXNet's transpose operator attributes to onnx's Transpose operator
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"""Map MXNet's transpose operator attributes to onnx's Transpose operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axes = attrs.get("axes", ())
if axes:
axes = tuple(map(int, re.findall(r'\d+', axes)))
... | def convert_transpose(node, **kwargs):
"""Map MXNet's transpose operator attributes to onnx's Transpose operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axes = attrs.get("axes", ())
if axes:
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train | convert_lrn | Map MXNet's LRN operator attributes to onnx's LRN operator
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"""Map MXNet's LRN operator attributes to onnx's LRN operator
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name, input_nodes, attrs = get_inputs(node, kwargs)
alpha = float(attrs.get("alpha", 0.0001))
beta = float(attrs.get("beta", 0.75))
bias = float(attrs.get("knorm",... | def convert_lrn(node, **kwargs):
"""Map MXNet's LRN operator attributes to onnx's LRN operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
alpha = float(attrs.get("alpha", 0.0001))
beta = float(attrs.get("beta", 0.75))
bias = float(attrs.get("knorm",... | [
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train | convert_l2normalization | Map MXNet's L2Normalization operator attributes to onnx's LpNormalization operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_l2normalization(node, **kwargs):
"""Map MXNet's L2Normalization operator attributes to onnx's LpNormalization operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mode = attrs.get("mode", "instance")
if mode != "channel":
raise Attri... | def convert_l2normalization(node, **kwargs):
"""Map MXNet's L2Normalization operator attributes to onnx's LpNormalization operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mode = attrs.get("mode", "instance")
if mode != "channel":
raise Attri... | [
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train | convert_dropout | Map MXNet's Dropout operator attributes to onnx's Dropout operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_dropout(node, **kwargs):
"""Map MXNet's Dropout operator attributes to onnx's Dropout operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
probability = float(attrs.get("p", 0.5))
dropout_node = onnx.helper.make_node(
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... | def convert_dropout(node, **kwargs):
"""Map MXNet's Dropout operator attributes to onnx's Dropout operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
probability = float(attrs.get("p", 0.5))
dropout_node = onnx.helper.make_node(
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train | convert_clip | Map MXNet's Clip operator attributes to onnx's Clip operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_clip(node, **kwargs):
"""Map MXNet's Clip operator attributes to onnx's Clip operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
a_min = np.float(attrs.get('a_min', -np.inf))
a_max = np.float(attrs.get('a_max', np.inf))
clip_node = onnx... | def convert_clip(node, **kwargs):
"""Map MXNet's Clip operator attributes to onnx's Clip operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
a_min = np.float(attrs.get('a_min', -np.inf))
a_max = np.float(attrs.get('a_max', np.inf))
clip_node = onnx... | [
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train | scalar_op_helper | Helper function for scalar arithmetic operations | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def scalar_op_helper(node, op_name, **kwargs):
"""Helper function for scalar arithmetic operations"""
name, input_nodes, attrs = get_inputs(node, kwargs)
from onnx import numpy_helper
input_type = kwargs["in_type"]
scalar_value = np.array([attrs.get("scalar", 1)],
dtype=o... | def scalar_op_helper(node, op_name, **kwargs):
"""Helper function for scalar arithmetic operations"""
name, input_nodes, attrs = get_inputs(node, kwargs)
from onnx import numpy_helper
input_type = kwargs["in_type"]
scalar_value = np.array([attrs.get("scalar", 1)],
dtype=o... | [
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train | convert_argmax | Map MXNet's argmax operator attributes to onnx's ArgMax operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_argmax(node, **kwargs):
"""Map MXNet's argmax operator attributes to onnx's ArgMax operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis"))
keepdims = get_boolean_attribute_value(attrs, "keepdims")
node = onnx.h... | def convert_argmax(node, **kwargs):
"""Map MXNet's argmax operator attributes to onnx's ArgMax operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis"))
keepdims = get_boolean_attribute_value(attrs, "keepdims")
node = onnx.h... | [
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train | convert_reshape | Map MXNet's Reshape operator attributes to onnx's Reshape operator.
Converts output shape attribute to output shape tensor
and return multiple created nodes. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_reshape(node, **kwargs):
"""Map MXNet's Reshape operator attributes to onnx's Reshape operator.
Converts output shape attribute to output shape tensor
and return multiple created nodes.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
output_shape_list = convert_string_to_lis... | def convert_reshape(node, **kwargs):
"""Map MXNet's Reshape operator attributes to onnx's Reshape operator.
Converts output shape attribute to output shape tensor
and return multiple created nodes.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
output_shape_list = convert_string_to_lis... | [
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train | convert_cast | Map MXNet's Cast operator attributes to onnx's Cast operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_cast(node, **kwargs):
"""Map MXNet's Cast operator attributes to onnx's Cast operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
dtype = attrs["dtype"]
# dtype can be mapped only with types from TensorProto
# float32 is mapped to float ... | def convert_cast(node, **kwargs):
"""Map MXNet's Cast operator attributes to onnx's Cast operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
dtype = attrs["dtype"]
# dtype can be mapped only with types from TensorProto
# float32 is mapped to float ... | [
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train | convert_slice_axis | Map MXNet's slice_axis operator attributes to onnx's Slice operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_slice_axis(node, **kwargs):
"""Map MXNet's slice_axis operator attributes to onnx's Slice operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axes = int(attrs.get("axis"))
starts = int(attrs.get("begin"))
ends = int(attrs.get("end", None... | def convert_slice_axis(node, **kwargs):
"""Map MXNet's slice_axis operator attributes to onnx's Slice operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axes = int(attrs.get("axis"))
starts = int(attrs.get("begin"))
ends = int(attrs.get("end", None... | [
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train | convert_slice_channel | Map MXNet's SliceChannel operator attributes to onnx's Squeeze or Split
operator based on squeeze_axis attribute
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_slice_channel(node, **kwargs):
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operator based on squeeze_axis attribute
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
num_outputs = int(attrs.get("num_outputs"))
axi... | def convert_slice_channel(node, **kwargs):
"""Map MXNet's SliceChannel operator attributes to onnx's Squeeze or Split
operator based on squeeze_axis attribute
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
num_outputs = int(attrs.get("num_outputs"))
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train | convert_expand_dims | Map MXNet's expand_dims operator attributes to onnx's Unsqueeze operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_expand_dims(node, **kwargs):
"""Map MXNet's expand_dims operator attributes to onnx's Unsqueeze operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis"))
node = onnx.helper.make_node(
"Unsqueeze",
inp... | def convert_expand_dims(node, **kwargs):
"""Map MXNet's expand_dims operator attributes to onnx's Unsqueeze operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = int(attrs.get("axis"))
node = onnx.helper.make_node(
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inp... | [
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train | convert_squeeze | Map MXNet's squeeze operator attributes to onnx's squeeze operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_squeeze(node, **kwargs):
"""Map MXNet's squeeze operator attributes to onnx's squeeze operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = attrs.get("axis", None)
if not axis:
raise AttributeError("Squeeze: Missing axis attribu... | def convert_squeeze(node, **kwargs):
"""Map MXNet's squeeze operator attributes to onnx's squeeze operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
axis = attrs.get("axis", None)
if not axis:
raise AttributeError("Squeeze: Missing axis attribu... | [
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train | convert_depthtospace | Map MXNet's depth_to_space operator attributes to onnx's
DepthToSpace operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_depthtospace(node, **kwargs):
"""Map MXNet's depth_to_space operator attributes to onnx's
DepthToSpace operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
blksize = int(attrs.get("block_size", 0))
node = onnx.helper.make_node(
"Dept... | def convert_depthtospace(node, **kwargs):
"""Map MXNet's depth_to_space operator attributes to onnx's
DepthToSpace operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
blksize = int(attrs.get("block_size", 0))
node = onnx.helper.make_node(
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train | convert_square | Map MXNet's square operator attributes to onnx's Pow operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_square(node, **kwargs):
"""Map MXNet's square operator attributes to onnx's Pow operator
and return the created node.
"""
name, input_nodes, _ = get_inputs(node, kwargs)
initializer = kwargs["initializer"]
data_type = onnx.mapping.NP_TYPE_TO_TENSOR_TYPE[np.dtype('int64')]
power... | def convert_square(node, **kwargs):
"""Map MXNet's square operator attributes to onnx's Pow operator
and return the created node.
"""
name, input_nodes, _ = get_inputs(node, kwargs)
initializer = kwargs["initializer"]
data_type = onnx.mapping.NP_TYPE_TO_TENSOR_TYPE[np.dtype('int64')]
power... | [
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train | convert_sum | Map MXNet's sum operator attributes to onnx's ReduceSum operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_sum(node, **kwargs):
"""Map MXNet's sum operator attributes to onnx's ReduceSum operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mx_axis = attrs.get("axis", None)
axes = convert_string_to_list(str(mx_axis)) if mx_axis is not None else Non... | def convert_sum(node, **kwargs):
"""Map MXNet's sum operator attributes to onnx's ReduceSum operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mx_axis = attrs.get("axis", None)
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train | convert_hardsigmoid | Map MXNet's hard_sigmoid operator attributes to onnx's HardSigmoid operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_hardsigmoid(node, **kwargs):
"""Map MXNet's hard_sigmoid operator attributes to onnx's HardSigmoid operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
alpha = float(attrs.get("alpha", 0.2))
beta = float(attrs.get(... | def convert_hardsigmoid(node, **kwargs):
"""Map MXNet's hard_sigmoid operator attributes to onnx's HardSigmoid operator
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
alpha = float(attrs.get("alpha", 0.2))
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train | convert_logsoftmax | Map MXNet's log_softmax operator attributes to onnx's LogSoftMax operator
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_logsoftmax(node, **kwargs):
"""Map MXNet's log_softmax operator attributes to onnx's LogSoftMax operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to int
axis = int(attrs.get("axis", -1))
temp = attrs.get("temperature", 'No... | def convert_logsoftmax(node, **kwargs):
"""Map MXNet's log_softmax operator attributes to onnx's LogSoftMax operator
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to int
axis = int(attrs.get("axis", -1))
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train | convert_norm | Map MXNet's norm operator attributes to onnx's ReduceL1 and ReduceL2 operators
and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_norm(node, **kwargs):
"""Map MXNet's norm operator attributes to onnx's ReduceL1 and ReduceL2 operators
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
mx_axis = attrs.get("axis", None)
axes = convert_string_to_list(str(mx_axis)) if mx_axis else ... | def convert_norm(node, **kwargs):
"""Map MXNet's norm operator attributes to onnx's ReduceL1 and ReduceL2 operators
and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
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train | convert_multinomial | Map MXNet's multinomial operator attributes to onnx's
Multinomial operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_multinomial(node, **kwargs):
"""Map MXNet's multinomial operator attributes to onnx's
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
dtype = onnx.mapping.NP_TYPE_TO_TENSOR_TYPE[np.dtype(attrs.get("dtype", 'int32'))]
sample_si... | def convert_multinomial(node, **kwargs):
"""Map MXNet's multinomial operator attributes to onnx's
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
dtype = onnx.mapping.NP_TYPE_TO_TENSOR_TYPE[np.dtype(attrs.get("dtype", 'int32'))]
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train | convert_random_uniform | Map MXNet's random_uniform operator attributes to onnx's RandomUniform
operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_random_uniform(node, **kwargs):
"""Map MXNet's random_uniform operator attributes to onnx's RandomUniform
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
low = float(attrs.get("low", 0))
high = float(attrs.get... | def convert_random_uniform(node, **kwargs):
"""Map MXNet's random_uniform operator attributes to onnx's RandomUniform
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
low = float(attrs.get("low", 0))
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train | convert_random_normal | Map MXNet's random_normal operator attributes to onnx's RandomNormal
operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_random_normal(node, **kwargs):
"""Map MXNet's random_normal operator attributes to onnx's RandomNormal
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
mean = float(attrs.get("loc", 0))
scale = float(attrs.get(... | def convert_random_normal(node, **kwargs):
"""Map MXNet's random_normal operator attributes to onnx's RandomNormal
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
# Converting to float32
mean = float(attrs.get("loc", 0))
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train | convert_roipooling | Map MXNet's ROIPooling operator attributes to onnx's MaxRoiPool
operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_roipooling(node, **kwargs):
"""Map MXNet's ROIPooling operator attributes to onnx's MaxRoiPool
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
pooled_shape = convert_string_to_list(attrs.get('pooled_size'))
scale = float(attrs.get("spati... | def convert_roipooling(node, **kwargs):
"""Map MXNet's ROIPooling operator attributes to onnx's MaxRoiPool
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"""
name, input_nodes, attrs = get_inputs(node, kwargs)
pooled_shape = convert_string_to_list(attrs.get('pooled_size'))
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train | convert_tile | Map MXNet's Tile operator attributes to onnx's Tile
operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_tile(node, **kwargs):
"""Map MXNet's Tile operator attributes to onnx's Tile
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
reps_list = convert_string_to_list(attrs["reps"])
initializer = kwargs["initializer"]
reps_shape_np = np.ar... | def convert_tile(node, **kwargs):
"""Map MXNet's Tile operator attributes to onnx's Tile
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
reps_list = convert_string_to_list(attrs["reps"])
initializer = kwargs["initializer"]
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train | convert_broadcast_to | Map MXNet's broadcast_to operator attributes to onnx's Expand
operator and return the created node. | python/mxnet/contrib/onnx/mx2onnx/_op_translations.py | def convert_broadcast_to(node, **kwargs):
"""Map MXNet's broadcast_to operator attributes to onnx's Expand
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
shape_list = convert_string_to_list(attrs["shape"])
initializer = kwargs["initializer"]
o... | def convert_broadcast_to(node, **kwargs):
"""Map MXNet's broadcast_to operator attributes to onnx's Expand
operator and return the created node.
"""
name, input_nodes, attrs = get_inputs(node, kwargs)
shape_list = convert_string_to_list(attrs["shape"])
initializer = kwargs["initializer"]
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train | Base.exe | Get the current executor
Returns
-------
exe : mxnet.executor.Executor | example/reinforcement-learning/dqn/base.py | def exe(self):
"""Get the current executor
Returns
-------
exe : mxnet.executor.Executor
"""
return self._buckets[self.curr_bucket_key]['exe'][tuple(self.data_shapes.items())] | def exe(self):
"""Get the current executor
Returns
-------
exe : mxnet.executor.Executor
"""
return self._buckets[self.curr_bucket_key]['exe'][tuple(self.data_shapes.items())] | [
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train | Base.compute_internal | View the internal symbols using the forward function.
:param sym_name:
:param bucket_kwargs:
:param input_dict:
:return: | example/reinforcement-learning/dqn/base.py | def compute_internal(self, sym_name, bucket_kwargs=None, **arg_dict):
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View the internal symbols using the forward function.
:param sym_name:
:param bucket_kwargs:
:param input_dict:
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data_shapes = {k: v.shape for k, v in arg_dict.items()}
... | def compute_internal(self, sym_name, bucket_kwargs=None, **arg_dict):
"""
View the internal symbols using the forward function.
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:param bucket_kwargs:
:param input_dict:
:return:
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train | init_from_fcnxs | use zero initialization for better convergence, because it tends to oputut 0,
and the label 0 stands for background, which may occupy most size of one image. | example/fcn-xs/init_fcnxs.py | def init_from_fcnxs(ctx, fcnxs_symbol, fcnxs_args_from, fcnxs_auxs_from):
""" use zero initialization for better convergence, because it tends to oputut 0,
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"""
fcnxs_args = fcnxs_args_from.copy()
fcnxs_auxs = fcnxs_auxs_... | def init_from_fcnxs(ctx, fcnxs_symbol, fcnxs_args_from, fcnxs_auxs_from):
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fcnxs_args = fcnxs_args_from.copy()
fcnxs_auxs = fcnxs_auxs_... | [
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] | apache/incubator-mxnet | python | https://github.com/apache/incubator-mxnet/blob/1af29e9c060a4c7d60eeaacba32afdb9a7775ba7/example/fcn-xs/init_fcnxs.py#L65-L106 | [
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train | residual_unit | Return ResNet Unit symbol for building ResNet
Parameters
----------
data : str
Input data
num_filter : int
Number of output channels
bnf : int
Bottle neck channels factor with regard to num_filter
stride : tuple
Stride used in convolution
dim_match : Boolean
... | example/image-classification/symbols/resnext.py | def residual_unit(data, num_filter, stride, dim_match, name, bottle_neck=True, num_group=32, bn_mom=0.9, workspace=256, memonger=False):
"""Return ResNet Unit symbol for building ResNet
Parameters
----------
data : str
Input data
num_filter : int
Number of output channels
bnf : i... | def residual_unit(data, num_filter, stride, dim_match, name, bottle_neck=True, num_group=32, bn_mom=0.9, workspace=256, memonger=False):
"""Return ResNet Unit symbol for building ResNet
Parameters
----------
data : str
Input data
num_filter : int
Number of output channels
bnf : i... | [
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train | resnext | Return ResNeXt symbol of
Parameters
----------
units : list
Number of units in each stage
num_stages : int
Number of stage
filter_list : list
Channel size of each stage
num_classes : int
Ouput size of symbol
num_groupes: int
Number of conv groups
datas... | example/image-classification/symbols/resnext.py | def resnext(units, num_stages, filter_list, num_classes, num_group, image_shape, bottle_neck=True, bn_mom=0.9, workspace=256, dtype='float32', memonger=False):
"""Return ResNeXt symbol of
Parameters
----------
units : list
Number of units in each stage
num_stages : int
Number of stag... | def resnext(units, num_stages, filter_list, num_classes, num_group, image_shape, bottle_neck=True, bn_mom=0.9, workspace=256, dtype='float32', memonger=False):
"""Return ResNeXt symbol of
Parameters
----------
units : list
Number of units in each stage
num_stages : int
Number of stag... | [
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train | get_symbol | Adapted from https://github.com/tornadomeet/ResNet/blob/master/train_resnet.py
Original author Wei Wu | example/image-classification/symbols/resnext.py | def get_symbol(num_classes, num_layers, image_shape, num_group=32, conv_workspace=256, dtype='float32', **kwargs):
"""
Adapted from https://github.com/tornadomeet/ResNet/blob/master/train_resnet.py
Original author Wei Wu
"""
image_shape = [int(l) for l in image_shape.split(',')]
(nchannel, heigh... | def get_symbol(num_classes, num_layers, image_shape, num_group=32, conv_workspace=256, dtype='float32', **kwargs):
"""
Adapted from https://github.com/tornadomeet/ResNet/blob/master/train_resnet.py
Original author Wei Wu
"""
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train | var | Creates a symbolic variable with specified name.
Example
-------
>>> data = mx.sym.Variable('data', attr={'a': 'b'})
>>> data
<Symbol data>
>>> csr_data = mx.sym.Variable('csr_data', stype='csr')
>>> csr_data
<Symbol csr_data>
>>> row_sparse_weight = mx.sym.Variable('weight', stype=... | python/mxnet/symbol/symbol.py | def var(name, attr=None, shape=None, lr_mult=None, wd_mult=None, dtype=None,
init=None, stype=None, **kwargs):
"""Creates a symbolic variable with specified name.
Example
-------
>>> data = mx.sym.Variable('data', attr={'a': 'b'})
>>> data
<Symbol data>
>>> csr_data = mx.sym.Variabl... | def var(name, attr=None, shape=None, lr_mult=None, wd_mult=None, dtype=None,
init=None, stype=None, **kwargs):
"""Creates a symbolic variable with specified name.
Example
-------
>>> data = mx.sym.Variable('data', attr={'a': 'b'})
>>> data
<Symbol data>
>>> csr_data = mx.sym.Variabl... | [
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train | Group | Creates a symbol that contains a collection of other symbols, grouped together.
Example
-------
>>> a = mx.sym.Variable('a')
>>> b = mx.sym.Variable('b')
>>> mx.sym.Group([a,b])
<Symbol Grouped>
Parameters
----------
symbols : list
List of symbols to be grouped.
Return... | python/mxnet/symbol/symbol.py | def Group(symbols):
"""Creates a symbol that contains a collection of other symbols, grouped together.
Example
-------
>>> a = mx.sym.Variable('a')
>>> b = mx.sym.Variable('b')
>>> mx.sym.Group([a,b])
<Symbol Grouped>
Parameters
----------
symbols : list
List of symbols... | def Group(symbols):
"""Creates a symbol that contains a collection of other symbols, grouped together.
Example
-------
>>> a = mx.sym.Variable('a')
>>> b = mx.sym.Variable('b')
>>> mx.sym.Group([a,b])
<Symbol Grouped>
Parameters
----------
symbols : list
List of symbols... | [
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train | load | Loads symbol from a JSON file.
You can also use pickle to do the job if you only work on python.
The advantage of load/save is the file is language agnostic.
This means the file saved using save can be loaded by other language binding of mxnet.
You also get the benefit being able to directly load/save ... | python/mxnet/symbol/symbol.py | def load(fname):
"""Loads symbol from a JSON file.
You can also use pickle to do the job if you only work on python.
The advantage of load/save is the file is language agnostic.
This means the file saved using save can be loaded by other language binding of mxnet.
You also get the benefit being abl... | def load(fname):
"""Loads symbol from a JSON file.
You can also use pickle to do the job if you only work on python.
The advantage of load/save is the file is language agnostic.
This means the file saved using save can be loaded by other language binding of mxnet.
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train | load_json | Loads symbol from json string.
Parameters
----------
json_str : str
A JSON string.
Returns
-------
sym : Symbol
The loaded symbol.
See Also
--------
Symbol.tojson : Used to save symbol into json string. | python/mxnet/symbol/symbol.py | def load_json(json_str):
"""Loads symbol from json string.
Parameters
----------
json_str : str
A JSON string.
Returns
-------
sym : Symbol
The loaded symbol.
See Also
--------
Symbol.tojson : Used to save symbol into json string.
"""
if not isinstance(... | def load_json(json_str):
"""Loads symbol from json string.
Parameters
----------
json_str : str
A JSON string.
Returns
-------
sym : Symbol
The loaded symbol.
See Also
--------
Symbol.tojson : Used to save symbol into json string.
"""
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train | pow | Returns element-wise result of base element raised to powers from exp element.
Both inputs can be Symbol or scalar number.
Broadcasting is not supported. Use `broadcast_pow` instead.
`sym.pow` is being deprecated, please use `sym.power` instead.
Parameters
---------
base : Symbol or scalar
... | python/mxnet/symbol/symbol.py | def pow(base, exp):
"""Returns element-wise result of base element raised to powers from exp element.
Both inputs can be Symbol or scalar number.
Broadcasting is not supported. Use `broadcast_pow` instead.
`sym.pow` is being deprecated, please use `sym.power` instead.
Parameters
---------
... | def pow(base, exp):
"""Returns element-wise result of base element raised to powers from exp element.
Both inputs can be Symbol or scalar number.
Broadcasting is not supported. Use `broadcast_pow` instead.
`sym.pow` is being deprecated, please use `sym.power` instead.
Parameters
---------
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train | maximum | Returns element-wise maximum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
Second symbol to be compared.
Returns
-------
... | python/mxnet/symbol/symbol.py | def maximum(left, right):
"""Returns element-wise maximum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
Second symbol to be com... | def maximum(left, right):
"""Returns element-wise maximum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
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train | minimum | Returns element-wise minimum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
Second symbol to be compared.
Returns
-------
... | python/mxnet/symbol/symbol.py | def minimum(left, right):
"""Returns element-wise minimum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
Second symbol to be com... | def minimum(left, right):
"""Returns element-wise minimum of the input elements.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First symbol to be compared.
right : Symbol or scalar
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train | hypot | Given the "legs" of a right triangle, returns its hypotenuse.
Equivalent to :math:`\\sqrt(left^2 + right^2)`, element-wise.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First leg of the triangle(s).
right : Symb... | python/mxnet/symbol/symbol.py | def hypot(left, right):
"""Given the "legs" of a right triangle, returns its hypotenuse.
Equivalent to :math:`\\sqrt(left^2 + right^2)`, element-wise.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
left : Symbol or scalar
First leg of th... | def hypot(left, right):
"""Given the "legs" of a right triangle, returns its hypotenuse.
Equivalent to :math:`\\sqrt(left^2 + right^2)`, element-wise.
Both inputs can be Symbol or scalar number. Broadcasting is not supported.
Parameters
---------
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train | eye | Returns a new symbol of 2-D shpae, filled with ones on the diagonal and zeros elsewhere.
Parameters
----------
N: int
Number of rows in the output.
M: int, optional
Number of columns in the output. If 0, defaults to N.
k: int, optional
Index of the diagonal: 0 (the default) ... | python/mxnet/symbol/symbol.py | def eye(N, M=0, k=0, dtype=None, **kwargs):
"""Returns a new symbol of 2-D shpae, filled with ones on the diagonal and zeros elsewhere.
Parameters
----------
N: int
Number of rows in the output.
M: int, optional
Number of columns in the output. If 0, defaults to N.
k: int, optio... | def eye(N, M=0, k=0, dtype=None, **kwargs):
"""Returns a new symbol of 2-D shpae, filled with ones on the diagonal and zeros elsewhere.
Parameters
----------
N: int
Number of rows in the output.
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Number of columns in the output. If 0, defaults to N.
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train | zeros | Returns a new symbol of given shape and type, filled with zeros.
Parameters
----------
shape : int or sequence of ints
Shape of the new array.
dtype : str or numpy.dtype, optional
The value type of the inner value, default to ``np.float32``.
Returns
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"""Returns a new symbol of given shape and type, filled with zeros.
Parameters
----------
shape : int or sequence of ints
Shape of the new array.
dtype : str or numpy.dtype, optional
The value type of the inner value, default to ``np.float32`... | def zeros(shape, dtype=None, **kwargs):
"""Returns a new symbol of given shape and type, filled with zeros.
Parameters
----------
shape : int or sequence of ints
Shape of the new array.
dtype : str or numpy.dtype, optional
The value type of the inner value, default to ``np.float32`... | [
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train | ones | Returns a new symbol of given shape and type, filled with ones.
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shape : int or sequence of ints
Shape of the new array.
dtype : str or numpy.dtype, optional
The value type of the inner value, default to ``np.float32``.
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"""Returns a new symbol of given shape and type, filled with ones.
Parameters
----------
shape : int or sequence of ints
Shape of the new array.
dtype : str or numpy.dtype, optional
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"""Returns a new symbol of given shape and type, filled with ones.
Parameters
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Shape of the new array.
dtype : str or numpy.dtype, optional
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Shape of the new array.
val : scalar
Fill value.
dtype : str or numpy.dtype, optional
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"""Returns a new array of given shape and type, filled with the given value `val`.
Parameters
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shape : int or sequence of ints
Shape of the new array.
val : scalar
Fill value.
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Shape of the new array.
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Fill value.
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train | arange | Returns evenly spaced values within a given interval.
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"""Returns evenly spaced values within a given interval.
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train | histogram | Compute the histogram of the input data.
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a : NDArray
Input data. The histogram is computed over the flattened array.
bins : int or sequence of scalars
If bins is an int, it defines the number of equal-width bins in the
given range (10, by default). If bins ... | python/mxnet/symbol/symbol.py | def histogram(a, bins=10, range=None, **kwargs):
"""Compute the histogram of the input data.
Parameters
----------
a : NDArray
Input data. The histogram is computed over the flattened array.
bins : int or sequence of scalars
If bins is an int, it defines the number of equal-width bi... | def histogram(a, bins=10, range=None, **kwargs):
"""Compute the histogram of the input data.
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a : NDArray
Input data. The histogram is computed over the flattened array.
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train | split_v2 | Split an array into multiple sub-arrays.
Parameters
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ary : NDArray
Array to be divided into sub-arrays.
indices_or_sections : int or tuple of ints
If `indices_or_sections` is an integer, N, the array will be divided
into N equal arrays along `axis`. If such a split is... | python/mxnet/symbol/symbol.py | def split_v2(ary, indices_or_sections, axis=0, squeeze_axis=False):
"""Split an array into multiple sub-arrays.
Parameters
----------
ary : NDArray
Array to be divided into sub-arrays.
indices_or_sections : int or tuple of ints
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"""Split an array into multiple sub-arrays.
Parameters
----------
ary : NDArray
Array to be divided into sub-arrays.
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train | Symbol.name | Gets name string from the symbol, this function only works for non-grouped symbol.
Returns
-------
value : str
The name of this symbol, returns ``None`` for grouped symbol. | python/mxnet/symbol/symbol.py | def name(self):
"""Gets name string from the symbol, this function only works for non-grouped symbol.
Returns
-------
value : str
The name of this symbol, returns ``None`` for grouped symbol.
"""
ret = ctypes.c_char_p()
success = ctypes.c_int()
... | def name(self):
"""Gets name string from the symbol, this function only works for non-grouped symbol.
Returns
-------
value : str
The name of this symbol, returns ``None`` for grouped symbol.
"""
ret = ctypes.c_char_p()
success = ctypes.c_int()
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train | Symbol.attr | Returns the attribute string for corresponding input key from the symbol.
This function only works for non-grouped symbols.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.attr('mood')
'angry'
Parameters
----------
... | python/mxnet/symbol/symbol.py | def attr(self, key):
"""Returns the attribute string for corresponding input key from the symbol.
This function only works for non-grouped symbols.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.attr('mood')
'angry'
... | def attr(self, key):
"""Returns the attribute string for corresponding input key from the symbol.
This function only works for non-grouped symbols.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.attr('mood')
'angry'
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train | Symbol.list_attr | Gets all attributes from the symbol.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.list_attr()
{'mood': 'angry'}
Returns
-------
ret : Dict of str to str
A dictionary mapping attribute keys to values. | python/mxnet/symbol/symbol.py | def list_attr(self, recursive=False):
"""Gets all attributes from the symbol.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.list_attr()
{'mood': 'angry'}
Returns
-------
ret : Dict of str to str
A... | def list_attr(self, recursive=False):
"""Gets all attributes from the symbol.
Example
-------
>>> data = mx.sym.Variable('data', attr={'mood': 'angry'})
>>> data.list_attr()
{'mood': 'angry'}
Returns
-------
ret : Dict of str to str
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train | Symbol.attr_dict | Recursively gets all attributes from the symbol and its children.
Example
-------
>>> a = mx.sym.Variable('a', attr={'a1':'a2'})
>>> b = mx.sym.Variable('b', attr={'b1':'b2'})
>>> c = a+b
>>> c.attr_dict()
{'a': {'a1': 'a2'}, 'b': {'b1': 'b2'}}
Returns
... | python/mxnet/symbol/symbol.py | def attr_dict(self):
"""Recursively gets all attributes from the symbol and its children.
Example
-------
>>> a = mx.sym.Variable('a', attr={'a1':'a2'})
>>> b = mx.sym.Variable('b', attr={'b1':'b2'})
>>> c = a+b
>>> c.attr_dict()
{'a': {'a1': 'a2'}, 'b': ... | def attr_dict(self):
"""Recursively gets all attributes from the symbol and its children.
Example
-------
>>> a = mx.sym.Variable('a', attr={'a1':'a2'})
>>> b = mx.sym.Variable('b', attr={'b1':'b2'})
>>> c = a+b
>>> c.attr_dict()
{'a': {'a1': 'a2'}, 'b': ... | [
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train | Symbol._set_attr | Sets an attribute of the symbol.
For example. A._set_attr(foo="bar") adds the mapping ``"{foo: bar}"``
to the symbol's attribute dictionary.
Parameters
----------
**kwargs
The attributes to set | python/mxnet/symbol/symbol.py | def _set_attr(self, **kwargs):
"""Sets an attribute of the symbol.
For example. A._set_attr(foo="bar") adds the mapping ``"{foo: bar}"``
to the symbol's attribute dictionary.
Parameters
----------
**kwargs
The attributes to set
"""
for key, v... | def _set_attr(self, **kwargs):
"""Sets an attribute of the symbol.
For example. A._set_attr(foo="bar") adds the mapping ``"{foo: bar}"``
to the symbol's attribute dictionary.
Parameters
----------
**kwargs
The attributes to set
"""
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train | Symbol.get_internals | Gets a new grouped symbol `sgroup`. The output of `sgroup` is a list of
outputs of all of the internal nodes.
Consider the following code:
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> d = c.get_internals()
>>>... | python/mxnet/symbol/symbol.py | def get_internals(self):
"""Gets a new grouped symbol `sgroup`. The output of `sgroup` is a list of
outputs of all of the internal nodes.
Consider the following code:
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>... | def get_internals(self):
"""Gets a new grouped symbol `sgroup`. The output of `sgroup` is a list of
outputs of all of the internal nodes.
Consider the following code:
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
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train | Symbol.get_children | Gets a new grouped symbol whose output contains
inputs to output nodes of the original symbol.
Example
-------
>>> x = mx.sym.Variable('x')
>>> y = mx.sym.Variable('y')
>>> z = mx.sym.Variable('z')
>>> a = y+z
>>> b = x+a
>>> b.get_children()
... | python/mxnet/symbol/symbol.py | def get_children(self):
"""Gets a new grouped symbol whose output contains
inputs to output nodes of the original symbol.
Example
-------
>>> x = mx.sym.Variable('x')
>>> y = mx.sym.Variable('y')
>>> z = mx.sym.Variable('z')
>>> a = y+z
>>> b = x+... | def get_children(self):
"""Gets a new grouped symbol whose output contains
inputs to output nodes of the original symbol.
Example
-------
>>> x = mx.sym.Variable('x')
>>> y = mx.sym.Variable('y')
>>> z = mx.sym.Variable('z')
>>> a = y+z
>>> b = x+... | [
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train | Symbol.list_arguments | Lists all the arguments in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_arguments
['a', 'b']
Returns
-------
args : list of string
List containing the names of all the ar... | python/mxnet/symbol/symbol.py | def list_arguments(self):
"""Lists all the arguments in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_arguments
['a', 'b']
Returns
-------
args : list of string
Li... | def list_arguments(self):
"""Lists all the arguments in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_arguments
['a', 'b']
Returns
-------
args : list of string
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train | Symbol.list_outputs | Lists all the outputs in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_outputs()
['_plus12_output']
Returns
-------
list of str
List of all the outputs.
For mo... | python/mxnet/symbol/symbol.py | def list_outputs(self):
"""Lists all the outputs in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_outputs()
['_plus12_output']
Returns
-------
list of str
List of ... | def list_outputs(self):
"""Lists all the outputs in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_outputs()
['_plus12_output']
Returns
-------
list of str
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train | Symbol.list_auxiliary_states | Lists all the auxiliary states in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_auxiliary_states()
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Example of auxiliary states in `BatchNorm`.
>>> data = mx.symbol.Variable('data')
... | python/mxnet/symbol/symbol.py | def list_auxiliary_states(self):
"""Lists all the auxiliary states in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_auxiliary_states()
[]
Example of auxiliary states in `BatchNorm`.
... | def list_auxiliary_states(self):
"""Lists all the auxiliary states in the symbol.
Example
-------
>>> a = mx.sym.var('a')
>>> b = mx.sym.var('b')
>>> c = a + b
>>> c.list_auxiliary_states()
[]
Example of auxiliary states in `BatchNorm`.
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train | Symbol.list_inputs | Lists all arguments and auxiliary states of this Symbol.
Returns
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inputs : list of str
List of all inputs.
Examples
--------
>>> bn = mx.sym.BatchNorm(name='bn')
>>> bn.list_arguments()
['bn_data', 'bn_gamma', 'bn_beta']
>>> bn... | python/mxnet/symbol/symbol.py | def list_inputs(self):
"""Lists all arguments and auxiliary states of this Symbol.
Returns
-------
inputs : list of str
List of all inputs.
Examples
--------
>>> bn = mx.sym.BatchNorm(name='bn')
>>> bn.list_arguments()
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Returns
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>>> bn = mx.sym.BatchNorm(name='bn')
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train | Symbol.infer_type | Infers the type of all arguments and all outputs, given the known types
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This function takes the known types of some arguments in either positional way
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if there is not enough information to deduce t... | python/mxnet/symbol/symbol.py | def infer_type(self, *args, **kwargs):
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train | Symbol.infer_shape | Infers the shapes of all arguments and all outputs given the known shapes of
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This function takes the known shapes of some arguments in either positional way
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if there is not enough information to deduce... | python/mxnet/symbol/symbol.py | def infer_shape(self, *args, **kwargs):
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This function takes the known shapes of some arguments in either positional way
or keyword argument way as input. It returns a tuple of `None` values
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train | Symbol._infer_shape_impl | The actual implementation for calling shape inference API. | python/mxnet/symbol/symbol.py | def _infer_shape_impl(self, partial, *args, **kwargs):
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train | Symbol.save | Saves symbol to a file.
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The advantage of `load`/`save` functions is that the file contents are language agnostic.
This means the model saved by one language binding can be loaded by a different
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You can also use pickle to do the job if you only work on python.
The advantage of `load`/`save` functions is that the file contents are language agnostic.
This means the model saved by one language binding can be loaded by a different
... | def save(self, fname):
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You can also use pickle to do the job if you only work on python.
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train | Symbol.tojson | Saves symbol to a JSON string.
See Also
--------
symbol.load_json : Used to load symbol from JSON string. | python/mxnet/symbol/symbol.py | def tojson(self):
"""Saves symbol to a JSON string.
See Also
--------
symbol.load_json : Used to load symbol from JSON string.
"""
json_str = ctypes.c_char_p()
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See Also
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symbol.load_json : Used to load symbol from JSON string.
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train | Symbol._get_ndarray_inputs | Helper function to get NDArray lists handles from various inputs.
Parameters
----------
arg_key : str
The name of argument, used for error message.
args : list of NDArray or dict of str to NDArray
Input arguments to the symbols.
If type is list of ND... | python/mxnet/symbol/symbol.py | def _get_ndarray_inputs(arg_key, args, arg_names, allow_missing):
"""Helper function to get NDArray lists handles from various inputs.
Parameters
----------
arg_key : str
The name of argument, used for error message.
args : list of NDArray or dict of str to NDArray
... | def _get_ndarray_inputs(arg_key, args, arg_names, allow_missing):
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----------
arg_key : str
The name of argument, used for error message.
args : list of NDArray or dict of str to NDArray
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train | Symbol.simple_bind | Bind current symbol to get an executor, allocate all the arguments needed.
Allows specifying data types.
This function simplifies the binding procedure. You need to specify only input data shapes.
Before binding the executor, the function allocates arguments and auxiliary states
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shared_buffer=None, **kwargs):
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train | Symbol.bind | Binds the current symbol to an executor and returns it.
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train | Symbol.gradient | Gets the autodiff of current symbol.
This function can only be used if current symbol is a loss function.
.. note:: This function is currently not implemented.
Parameters
----------
wrt : Array of String
keyword arguments of the symbol that the gradients are taken.... | python/mxnet/symbol/symbol.py | def gradient(self, wrt):
"""Gets the autodiff of current symbol.
This function can only be used if current symbol is a loss function.
.. note:: This function is currently not implemented.
Parameters
----------
wrt : Array of String
keyword arguments of the ... | def gradient(self, wrt):
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This function can only be used if current symbol is a loss function.
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----------
wrt : Array of String
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train | Symbol.eval | Evaluates a symbol given arguments.
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For the common use case, where you might repeatedly evaluate with same arguments,
eval is slow.
In that case, you should call `... | python/mxnet/symbol/symbol.py | def eval(self, ctx=None, **kwargs):
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The `eval` method combines a call to `bind` (which returns an executor)
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For the common use case, where you might repeatedly evaluate with same arguments,
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train | Symbol.get_backend_symbol | Return symbol for target backend.
Parameters
----------
backend : str
The backend names.
Returns
-------
out : Symbol
The created Symbol for target backend. | python/mxnet/symbol/symbol.py | def get_backend_symbol(self, backend):
"""Return symbol for target backend.
Parameters
----------
backend : str
The backend names.
Returns
-------
out : Symbol
The created Symbol for target backend.
"""
out = SymbolHandle(... | def get_backend_symbol(self, backend):
"""Return symbol for target backend.
Parameters
----------
backend : str
The backend names.
Returns
-------
out : Symbol
The created Symbol for target backend.
"""
out = SymbolHandle(... | [
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train | PixelShuffle1D.hybrid_forward | Perform pixel-shuffling on the input. | python/mxnet/gluon/contrib/nn/basic_layers.py | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
f = self._factor
# (N, C*f, W)
x = F.reshape(x, (0, -4, -1, f, 0)) # (N, C, f, W)
x = F.transpose(x, (0, 1, 3, 2)) # (N, C, W, f)
x = F.reshape(x, (0, 0, ... | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
f = self._factor
# (N, C*f, W)
x = F.reshape(x, (0, -4, -1, f, 0)) # (N, C, f, W)
x = F.transpose(x, (0, 1, 3, 2)) # (N, C, W, f)
x = F.reshape(x, (0, 0, ... | [
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train | PixelShuffle2D.hybrid_forward | Perform pixel-shuffling on the input. | python/mxnet/gluon/contrib/nn/basic_layers.py | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
f1, f2 = self._factors
# (N, f1*f2*C, H, W)
x = F.reshape(x, (0, -4, -1, f1 * f2, 0, 0)) # (N, C, f1*f2, H, W)
x = F.reshape(x, (0, 0, -4, f1, f2, 0, 0)) ... | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
f1, f2 = self._factors
# (N, f1*f2*C, H, W)
x = F.reshape(x, (0, -4, -1, f1 * f2, 0, 0)) # (N, C, f1*f2, H, W)
x = F.reshape(x, (0, 0, -4, f1, f2, 0, 0)) ... | [
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train | PixelShuffle3D.hybrid_forward | Perform pixel-shuffling on the input. | python/mxnet/gluon/contrib/nn/basic_layers.py | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
# `transpose` doesn't support 8D, need other implementation
f1, f2, f3 = self._factors
# (N, C*f1*f2*f3, D, H, W)
x = F.reshape(x, (0, -4, -1, f1 * f2... | def hybrid_forward(self, F, x):
"""Perform pixel-shuffling on the input."""
# `transpose` doesn't support 8D, need other implementation
f1, f2, f3 = self._factors
# (N, C*f1*f2*f3, D, H, W)
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train | retry | Retry calling the decorated function using an exponential backoff.
http://www.saltycrane.com/blog/2009/11/trying-out-retry-decorator-python/
original from: http://wiki.python.org/moin/PythonDecoratorLibrary#Retry
:param target_exception: the exception to check. may be a tuple of
exceptions to chec... | ci/util.py | def retry(target_exception, tries=4, delay_s=1, backoff=2):
"""Retry calling the decorated function using an exponential backoff.
http://www.saltycrane.com/blog/2009/11/trying-out-retry-decorator-python/
original from: http://wiki.python.org/moin/PythonDecoratorLibrary#Retry
:param target_exception: t... | def retry(target_exception, tries=4, delay_s=1, backoff=2):
"""Retry calling the decorated function using an exponential backoff.
http://www.saltycrane.com/blog/2009/11/trying-out-retry-decorator-python/
original from: http://wiki.python.org/moin/PythonDecoratorLibrary#Retry
:param target_exception: t... | [
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train | load_model | Returns a module loaded with the provided model.
Parameters
----------
model_name: str
Prefix of the MXNet model name as stored on the local directory.
epoch_num : int
Epoch number of model we would like to load.
input_shape: tuple
The shape of the input data in the form o... | tools/coreml/converter/utils.py | def load_model(model_name, epoch_num, data_shapes, label_shapes, label_names, gpus=''):
"""Returns a module loaded with the provided model.
Parameters
----------
model_name: str
Prefix of the MXNet model name as stored on the local directory.
epoch_num : int
Epoch number of model w... | def load_model(model_name, epoch_num, data_shapes, label_shapes, label_names, gpus=''):
"""Returns a module loaded with the provided model.
Parameters
----------
model_name: str
Prefix of the MXNet model name as stored on the local directory.
epoch_num : int
Epoch number of model w... | [
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train | create_module | Creates a new MXNet module.
Parameters
----------
sym : Symbol
An MXNet symbol.
input_shape: tuple
The shape of the input data in the form of (batch_size, channels, height, width)
files: list of strings
List of URLs pertaining to files that need to be downloaded in order t... | tools/coreml/converter/utils.py | def create_module(sym, data_shapes, label_shapes, label_names, gpus=''):
"""Creates a new MXNet module.
Parameters
----------
sym : Symbol
An MXNet symbol.
input_shape: tuple
The shape of the input data in the form of (batch_size, channels, height, width)
files: list of string... | def create_module(sym, data_shapes, label_shapes, label_names, gpus=''):
"""Creates a new MXNet module.
Parameters
----------
sym : Symbol
An MXNet symbol.
input_shape: tuple
The shape of the input data in the form of (batch_size, channels, height, width)
files: list of string... | [
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train | evaluate_net | evalute network given validation record file
Parameters:
----------
net : str or None
Network name or use None to load from json without modifying
path_imgrec : str
path to the record validation file
path_imglist : str
path to the list file to replace labels in record file, ... | example/ssd/evaluate/evaluate_net.py | def evaluate_net(net, path_imgrec, num_classes, num_batch, mean_pixels, data_shape,
model_prefix, epoch, ctx=mx.cpu(), batch_size=32,
path_imglist="", nms_thresh=0.45, force_nms=False,
ovp_thresh=0.5, use_difficult=False, class_names=None,
voc07_metric... | def evaluate_net(net, path_imgrec, num_classes, num_batch, mean_pixels, data_shape,
model_prefix, epoch, ctx=mx.cpu(), batch_size=32,
path_imglist="", nms_thresh=0.45, force_nms=False,
ovp_thresh=0.5, use_difficult=False, class_names=None,
voc07_metric... | [
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