Group

public struct Group<Element> : RandomAccessCollection where Element : DynamicGraph.AnyTensor

extension DynamicGraph.Group: DynamicGraph.AnyGroup

extension DynamicGraph.Group: DynamicGraph_Any where Element: DynamicGraph.AnyTensor

extension DynamicGraph.Group: DynamicGraph.AnyTensorGroup where Element: DynamicGraph.AnyTensor

extension DynamicGraph.Group: DynamicGraph.TensorGroup
where Element: DynamicGraph.TensorGroup, Element: DynamicGraph.AnyTensor

Type-aware group of tensors.

Element
Declaration
Swift

public typealias Element = Element
Index
Declaration
Swift

public typealias Index = Int
Indices
Declaration
Swift

public typealias Indices = Range<Index>


                    
                    
                    SubSequence

Declaration

Swift

public typealias SubSequence = Array<Element>.SubSequence

endIndex
Declaration
Swift

public var endIndex: Index { get }
indices
Declaration
Swift

public var indices: Indices { get }
startIndex
Declaration
Swift

public var startIndex: Index { get }


                    
                    
                    formIndex(after:)

Declaration

Swift

public func formIndex(after i: inout Index)


                    
                    
                    formIndex(before:)

Declaration

Swift

public func formIndex(before i: inout Index)


                    
                    
                    subscript(_:)

Declaration

Swift

public subscript(position: Index) -> Element { get }


                    
                    
                    subscript(_:)

Declaration

Swift

public subscript(x: Indices) -> SubSequence { get }

init(_:)
Declaration
Swift

public init(_ elements: Element...)


                    
                    
                    init(_:)

Declaration

Swift

public init<OtherElement>(_ otherGroup: Group<OtherElement>) where OtherElement : DynamicGraph.AnyTensor


                    
                    
                    init(_:)

Declaration

Swift

public init(_ underlyingArray: [Element])


                    
                    
                    backward(to:streamContext:)

Compute gradients from this tensor to the source tensors.

Declaration

Swift

public func backward<S: Sequence>(to tensors: S, streamContext: StreamContext? = nil)
where S.Element: DynamicGraph.AnyGroup

Parameters

`to`	The source tensors to this tensor.
`streamContext`	The stream context to perform such operation.


                    
                    
                    backward(to:streamContext:)

Compute gradients from this tensor to the source tensor.

Declaration

Swift

public func backward<Group: DynamicGraph.AnyGroup>(
  to tensor: Group, streamContext: StreamContext? = nil
)

Parameters

`to`	The source tensor to this tensor.
`streamContext`	The stream context to perform such operation.


                    
                    
                    transposed(_:_:streamContext:)

Transpose from axisA to axisB.

Declaration

Swift

public func transposed(_ axisA: Int, _ axisB: Int, streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    rand(_:streamContext:)

Fill the given tensor with uniform random values.

Declaration

Swift

public func rand(
  _ range: ClosedRange<Float>, streamContext: StreamContext?
)

randn(std:mean:streamContext:)
Fill the given tensor with normal-distributed random values.
Declaration
Swift

public func randn( std: Float, mean: Float, streamContext: StreamContext? )
full(_:streamContext:)
Fill the given tensor with a value.
Declaration
Swift

public func full(_ value: Float, streamContext: StreamContext?)


                    
                    
                    lerp(_:to:streamContext:)

Interpolate from this tensor to the other tensor.

Declaration

Swift

public func lerp(
  _ weight: Float, to: DynamicGraph.Group<Element>, streamContext: StreamContext?
)


                    
                    
                    clamp(_:streamContext:)

Clamp the given tensor between two values.

Declaration

Swift

public func clamp(_ range: ClosedRange<Float>, streamContext: StreamContext?)


                    
                    
                    clamp(_:streamContext:)

Clamp the given tensor with a lower bound.

Declaration

Swift

public func clamp(_ range: PartialRangeFrom<Float>, streamContext: StreamContext?)


                    
                    
                    clamp(_:streamContext:)

Clamp the given tensor with an upper bound.

Declaration

Swift

public func clamp(_ range: PartialRangeThrough<Float>, streamContext: StreamContext?)

detach()
Detach tensors in this group from the graph. Afterwards, it is always “isConstant” and cannot requiresGrad.
Declaration
Swift

public mutating func detach()


                    
                    
                    clamped(_:streamContext:)

Clamp the given tensor between two values.

Declaration

Swift

public func clamped(_ range: ClosedRange<Float>, streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    clamped(_:streamContext:)

Clamp the given tensor with a lower bound.

Declaration

Swift

public func clamped(_ range: PartialRangeFrom<Float>, streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    clamped(_:streamContext:)

Clamp the given tensor with an upper bound.

Declaration

Swift

public func clamped(_ range: PartialRangeThrough<Float>, streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    copied(streamContext:)

Make a copy of the existing tensor group.

Declaration

Swift

public func copied(streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>

contiguous(streamContext:)
Only make a copy of the existing tensor group if it is not contiguous in memory.
Declaration
Swift

public func contiguous(streamContext: StreamContext?) -> DynamicGraph.Group<Element>


                    
                    
                    reduced(_:axis:streamContext:)

Reduce along a given dimension.

Declaration

Swift

public func reduced(_ op: ReduceOp, axis: [Int], streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>

scale(by:streamContext:)
Scale the given tensor with a constant inplace.
Declaration
Swift

public func scale(by a: Float, streamContext: StreamContext?)
softmax(streamContext:)
Apply softmax activation to the given tensor inplace.
Declaration
Swift

public func softmax(streamContext: StreamContext?)
ReLU(streamContext:)
Apply ReLU activation to the given tensor inplace.
Declaration
Swift

public func ReLU(streamContext: StreamContext?)
sigmoid(streamContext:)
Apply sigmoid activation to the given tensor inplace.
Declaration
Swift

public func sigmoid(streamContext: StreamContext?)
tanh(streamContext:)
Apply tanh activation to the given tensor inplace.
Declaration
Swift

public func tanh(streamContext: StreamContext?)
swish(streamContext:)
Apply swish activation to the given tensor inplace.
Declaration
Swift

public func swish(streamContext: StreamContext?)


                    
                    
                    untyped

Declaration

Swift

public var untyped: [DynamicGraph.AnyTensor] { get }

graph
Declaration
Swift

public var graph: DynamicGraph { get }
kind
Declaration
Swift

public var kind: DeviceKind { get }
shape
Declaration
Swift

public var shape: TensorShape { get }
format
Declaration
Swift

public var format: TensorFormat { get }
strides
Declaration
Swift

public var strides: TensorShape { get }
isConstant
Declaration
Swift

public var isConstant: Bool { get }
isContiguous
Declaration
Swift

public var isContiguous: Bool { get }


                    
                    
                    requiresGrad

Declaration

Swift

public var requiresGrad: Bool { get set }


                    
                    
                    grad

Declaration

Swift

public var grad: DynamicGraph.Group<DynamicGraph.AnyTensor>? { get set }


                    
                    
                    typeErased

Declaration

Swift

public var typeErased: DynamicGraph.Group<DynamicGraph.AnyTensor> { get }

isNaN
Declaration
Swift

public var isNaN: Bool { get }

Available where `Element`: `DynamicGraph.AnyTensor`


                    
                    
                    subscript(_:streamContext:)

Declaration

Swift

public subscript(ranges: [Range<Int>], streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:streamContext:)

Declaration

Swift

@inlinable
public subscript(ranges: Range<Int>..., streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:streamContext:)

Declaration

Swift

@inlinable
public subscript(range: Range<Int>, streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, range: Range<Int>, streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, range: Range<Int>, streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, range: Range<Int>,
  streamContext streamContext: StreamContext?
) -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, range: Range<Int>,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, range: Range<Int>,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<
    Element
  >


                    
                    
                    subscript(_:_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, i5: Int, range: Range<Int>,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, i5: Int, i6: Int, range: Range<Int>,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:streamContext:)

Declaration

Swift

@inlinable
public subscript(range: UnboundedRange, streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, range: UnboundedRange, streamContext streamContext: StreamContext?)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, range: UnboundedRange,
  streamContext streamContext: StreamContext?
) -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, range: UnboundedRange,
  streamContext streamContext: StreamContext?
) -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, range: UnboundedRange,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, range: UnboundedRange,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<
    Element
  >


                    
                    
                    subscript(_:_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, i5: Int, range: UnboundedRange,
  streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>


                    
                    
                    subscript(_:_:_:_:_:_:_:_:streamContext:)

Declaration

Swift

@inlinable
public subscript(i0: Int, i1: Int, i2: Int, i3: Int, i4: Int, i5: Int, i6: Int,
  range: UnboundedRange, streamContext streamContext: StreamContext?
)
  -> DynamicGraph.Group<Element>

Available where `Element`: `DynamicGraph_TensorGroup`


                    
                    
                    scaled(by:streamContext:)

Scale the given tensor with a constant.

Declaration

Swift

public func scaled(by a: Float, streamContext: StreamContext?) -> DynamicGraph.Group<Element>

Available where `Element` == `DynamicGraph.AnyTensor`

as(of:)
Explicitly cast the underlying storage to a specific type. It is a helper function than doing DynamicGraph.Group>(something). Less code change required if we change this from group to tensor.
Declaration
Swift

public func `as`<T>(of: T.Type) -> DynamicGraph.Group<DynamicGraph.Tensor<T>> where T : TensorNumeric

Available where `Element`: `DynamicGraph.AnyTensor`


                    
                    
                    chunked(_:axis:streamContext:)

Declaration

Swift

public func chunked(_ numberOfChunks: Int, axis: Int, streamContext: StreamContext?) -> [`Self`]


                    
                    
                    AnyTensor

Declaration

Swift

public typealias AnyTensor = DynamicGraph.Group<DynamicGraph.AnyTensor>


                    
                    
                    exec(cmd:hint:inputs:outputSize:streamContext:)

Declaration

Swift

public static func exec(
  cmd: ccv_nnc_cmd_t, hint: ccv_nnc_hint_t, inputs: [DynamicGraph_Any?], outputSize: Int32,
  streamContext: StreamContext?
) -> [AnyTensor]


                    
                    
                    exec(cmd:hint:inputs:outputs:streamContext:)

Declaration

Swift

public static func exec(
  cmd: ccv_nnc_cmd_t, hint: ccv_nnc_hint_t, inputs: [DynamicGraph_Any?],
  outputs: [DynamicGraph_Any],
  streamContext: StreamContext?
)


                    
                    
                    evaluate(model:testing:dataParallel:inputs:outputSize:streamContext:)

Declaration

Swift

public static func evaluate(
  model: OpaquePointer, testing: Bool, dataParallel: inout Int?, inputs: [DynamicGraph_Any?],
  outputSize: Int32, streamContext: StreamContext?
) -> [AnyTensor]


                    
                    
                    reshaped(format:shape:offset:strides:)

Declaration

Swift

public func reshaped(
  format: TensorFormat, shape: TensorShape, offset: TensorShape? = nil,
  strides: TensorShape? = nil
) -> Self


                    
                    
                    reshaped(_:offset:strides:)

Declaration

Swift

public func reshaped(
  _ shapeFormat: TensorShapeFormat, offset: TensorShape? = nil, strides: TensorShape? = nil
) -> Self

Available where `Element`: `DynamicGraph.TensorGroup`, `Element`: `DynamicGraph.AnyTensor`


                    
                    
                    ElementNumeric

Declaration

Swift

public typealias ElementNumeric = Element.ElementNumeric

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Available where Element: DynamicGraph.AnyTensor

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Available where Element: DynamicGraph_TensorGroup

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Available where Element == DynamicGraph.AnyTensor

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Available where Element: DynamicGraph.AnyTensor

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Available where `Element`: `DynamicGraph.AnyTensor`

Available where `Element`: `DynamicGraph_TensorGroup`

Available where `Element` == `DynamicGraph.AnyTensor`

Available where `Element`: `DynamicGraph.AnyTensor`

Available where `Element`: `DynamicGraph.TensorGroup`, `Element`: `DynamicGraph.AnyTensor`