Enumerations
enum	odla_interpolation_mode { ODLA_NEAREST , ODLA_LINEAR , ODLA_CUBIC }
	Interpolation methods. More...

enum	odla_resize_coordinate_mode { ODLA_ASSYMMETRIC , ODLA_HALF_PIXEL , ODLA_HALF_PIXEL_TF , ODLA_ALIGN_CORNERS }
	Modes for coordinate transformation during resizing. More...

enum	odla_fill_method { ODLA_EyeLike , ODLA_RandomNormal , ODLA_RandomUniform }
	Methods for filling a value. More...

Functions
ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Broadcast (const odla_value input, odla_value_shape output_shape, const odla_value_id value_id)
	Broadcast the value. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Cast (odla_value input, odla_element_type target_type, const odla_value_id value_id)
	cast the element data type of an input More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Compress (odla_value input, odla_value condition, odla_int32 axis, odla_value_shape max_output_shape, const odla_value_id value_id)
	Select slices based on condition. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Concat (odla_values inputs, odla_int32 axis, odla_value_shape output_shape, const odla_value_id value_id)
	Concatenate multiple values into a single value. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_ExpandDims (odla_value input, odla_value_shape output_dims, const odla_value_id value_id)
	Broadcast the input tensor. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Fill (odla_value_type type, odla_fill_method method, odla_float32 p0, odla_float32 p1, odla_float32 seed, const odla_value_id value_id)
	Generate a value with data. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Gather (odla_value input, odla_value indices, odla_int32 axis, odla_value_shape output_dims, const odla_value_id value_id)
	Gather slices. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_GatherND (odla_value input, odla_value indices, odla_int32 num_batch_dims, odla_value_shape output_dims, const odla_value_id value_id)
	Gather slices. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_GatherElements (odla_value input, odla_value indices, odla_int32 axis, odla_value_shape output_dims, const odla_value_id value_id)
	Gather elements. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_OneHot (odla_value indices, odla_int32 depth, odla_value values, odla_int32 axis, odla_value_shape output_dims, const odla_value_id value_id)
	one-hot value More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Pad (odla_value input, const odla_uint32 padding_front, const odla_uint32 padding_back, odla_value_shape output_dims, const odla_value_id value_id)
	Pad the input. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Reshape (odla_value input, odla_value_shape output_dims, const odla_value_id value_id)
	Reshape a value. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_ReshapeDynamic (odla_value input, odla_value output_shape, const odla_value_id value_id)
	Reshape a value. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Resize (odla_value input, odla_interpolation_mode interpolation, odla_resize_coordinate_mode mode, odla_uint32 axes_mask, odla_value_shape output_dims, const odla_value_id value_id)
	Resize by interpolating. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_ResizeDynamic (odla_value input, odla_value scales, odla_value sizes, odla_interpolation_mode interpolation, odla_resize_coordinate_mode mode, odla_value_shape output_dims, const odla_value_id value_id)
	Resize by interpolating (dynamic shape) More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Shape (odla_value input, odla_value_shape output_dims, const odla_value_id value_id)
	Get the shape of input. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Slice (odla_value input, const odla_int32 start, const odla_int32 end, const odla_int32 *stride, odla_value_shape output_dims, const odla_value_id value_id)
	Extract a slice. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_DimsExpand (odla_value input, odla_value original, odla_value axes, odla_value_shape output_dims, const odla_value_id id)
	Extract a DimsExpand. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_SliceDynamic (odla_value input, odla_value start, odla_value size, odla_value stride, odla_value_shape output_dims, const odla_value_id value_id)
	Extract a dynamic slice. More...

ODLA_API_EXPORT odla_values ODLA_API_CALL	odla_Split (odla_value input, odla_value split_dim, odla_int32 num_split, const odla_value_ids value_ids)
	Splits a tensor into num_split tensors along one dimension. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Squeeze (odla_value input, odla_size_t num_of_axes, const odla_uint32 *axes, odla_value_shape output_dims, const odla_value_id value_id)
	Remove dimensions of size 1. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Stack (odla_values inputs, odla_int32 axis, odla_value_shape output_shape, const odla_value_id value_id)
	Join a sequence of Values along a new axis. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Transpose (odla_value input, odla_value_shape permutations, odla_value_shape output_dims, const odla_value_id value_id)
	Transpose the input. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_Tile (odla_value input, const odla_uint32 *repeat, odla_value_shape output_dims, const odla_value_id value_id)
	Tile input multiples times. More...

ODLA_API_EXPORT odla_value ODLA_API_CALL	odla_TileDynamic (odla_value input, odla_value repeat, odla_value_shape output_dims, const odla_value_id value_id)
	Tile input multiples times dynamically. More...

Detailed Description

This file defines the ODLA value process replated operators.

Definition in file odla_ops_process.h.

Enumeration Type Documentation

◆ odla_fill_method

enum odla_fill_method

Methods for filling a value.

Enumerator
ODLA_EyeLike	ones on the diagnoal and zeros elsewhere.
ODLA_RandomNormal	normal distribution.
ODLA_RandomUniform	random uniform distrubution.

Definition at line 49 of file odla_ops_process.h.

             {
  ODLA_EyeLike,       
  ODLA_RandomNormal,  
  ODLA_RandomUniform, 
} odla_fill_method;

◆ odla_interpolation_mode

enum odla_interpolation_mode

Interpolation methods.

Enumerator
ODLA_NEAREST	nearest-neighbor interpolation.
ODLA_LINEAR	N-Linear interpolation. E.g. bilinear for 2D plane.
ODLA_CUBIC	N-Cubic interpolation .E.g. bicubic for 2D plane.

Definition at line 33 of file odla_ops_process.h.

             {
  ODLA_NEAREST, 
  ODLA_LINEAR,  
  ODLA_CUBIC,   
} odla_interpolation_mode;

◆ odla_resize_coordinate_mode

enum odla_resize_coordinate_mode

Modes for coordinate transformation during resizing.

Enumerator
ODLA_ASSYMMETRIC	new_coord = orig_coord * scale
ODLA_HALF_PIXEL	new_coord = (orig_coord + 0.5) * scale - 0.5
ODLA_HALF_PIXEL_TF	new_coord = orig_coord * scale - 0.5
ODLA_ALIGN_CORNERS	new_coord = orig_coord * (orig_dim - 1) / (new_dim - 1)

Definition at line 40 of file odla_ops_process.h.

             {
  ODLA_ASSYMMETRIC,   
  ODLA_HALF_PIXEL,    
  ODLA_HALF_PIXEL_TF, 
  ODLA_ALIGN_CORNERS, 
} odla_resize_coordinate_mode;

Function Documentation

◆ odla_Broadcast()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Broadcast	(	const odla_value	input,
		odla_value_shape	output_shape,
		const odla_value_id	value_id
	)

Broadcast the value.

Broadcast broadcasts the input based on output_shape.

Parameters

input	the input value
output_shape	the shape after broadcasting
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Cast()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Cast	(	odla_value	input,
		odla_element_type	target_type,
		const odla_value_id	value_id
	)

cast the element data type of an input

Cast casts the input element type to target_type.

Parameters

input	the input value
target_type	the data type of casted value
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Compress()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Compress	(	odla_value	input,
		odla_value	condition,
		odla_int32	axis,
		odla_value_shape	max_output_shape,
		const odla_value_id	value_id
	)

Select slices based on condition.

Select slices from input along specified axis based on condition vector.

Parameters

input	the input value
condition	the condition value (1-D)
axis	the axis on which the slices to be selected
max_output_shape	the maximum result shape (assume all conditions are true)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Concat()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Concat	(	odla_values	inputs,
		odla_int32	axis,
		odla_value_shape	output_shape,
		const odla_value_id	value_id
	)

Concatenate multiple values into a single value.

Concat concatenates multiple values into single one. All inputs must have the same dimension except for the dimension size of the axis to concatenate on.

Parameters

inputs	the input values
axis	the axis on which the inputs to be concatenated
output_shape	the result shape
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_DimsExpand()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_DimsExpand	(	odla_value	input,
		odla_value	original,
		odla_value	axes,
		odla_value_shape	output_dims,
		const odla_value_id	id
	)

Extract a DimsExpand.

odla_Axes_cal extracts a DimsExpand from axes.

Parameters

input	the input value
original	the original value
axes	the axes to slice
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_ExpandDims()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_ExpandDims	(	odla_value	input,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Broadcast the input tensor.

ExpandDims broadcast the input tensor into the shape of output_dims .

Parameters

input	the input value
output_dims	the output shape
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Fill()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Fill	(	odla_value_type	type,
		odla_fill_method	method,
		odla_float32	p0,
		odla_float32	p1,
		odla_float32	seed,
		const odla_value_id	value_id
	)

Generate a value with data.

Fill genrates a value with type and dimensions sepecified by type and fill it with data as using the specified method. When filling with normal distribution, p0 and p1 are for mean and standard deviation, respectively. When filling with unform distribution, p0 and p1 are for the lower and upper bounds, respectively. For othere filling methods, p0 and p1 are ignored.

Parameters

type	the type of generated odla_value
method	the method for filling the value
p0	mean for normal distribution, or lower bound for uniform distribution
p1	stddev for normal distribution, or upper bound for uniform distribution
seed	the seed to the random generator
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Gather()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Gather	(	odla_value	input,
		odla_value	indices,
		odla_int32	axis,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Gather slices.

Gather slices from input according to indices.

Parameters

input	the input value
indices	the indices value
axis	the axis on which the input is to gather
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_GatherElements()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_GatherElements	(	odla_value	input,
		odla_value	indices,
		odla_int32	axis,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Gather elements.

Gather slices from input according to indices.

Parameters

input	the input value
indices	the indices value
axis	the axis on which the input is to gather
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_GatherND()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_GatherND	(	odla_value	input,
		odla_value	indices,
		odla_int32	num_batch_dims,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Gather slices.

Gather slices from input according to indices.

Parameters

input	the input value
indices	the indices value
num_batch_dims	the number of leading dimensions to be omitted
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_OneHot()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_OneHot	(	odla_value	indices,
		odla_int32	depth,
		odla_value	values,
		odla_int32	axis,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

one-hot value

OneHot returns a one-hot value from values based on indices and depth.

Parameters

indices	the indices of "on value"
depth	the size of the new dimension
values	the pair of off and on values
axis	the axis of new dimension on
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Pad()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Pad	(	odla_value	input,
		const odla_uint32 *	padding_front,
		const odla_uint32 *	padding_back,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Pad the input.

Pad pads the input with given padding amount.

Parameters

input	the input value
padding_front	the padding amount applied to the start of input
padding_back	the padding amount applied to the end of input
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Reshape()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Reshape	(	odla_value	input,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Reshape a value.

Reshape reshapes the input with a new dimension specified by output_dims.

Parameters

input	the input value
output_dims	the output shape
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_ReshapeDynamic()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_ReshapeDynamic	(	odla_value	input,
		odla_value	output_shape,
		const odla_value_id	value_id
	)

Reshape a value.

ReshapeDynamic reshapes the input with a new dimension specified by output_shape.

Parameters

input	the input value
output_shape	the output shape
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Resize()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Resize	(	odla_value	input,
		odla_interpolation_mode	interpolation,
		odla_resize_coordinate_mode	mode,
		odla_uint32	axes_mask,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Resize by interpolating.

Resize resizes the input using specified interploation method.

Parameters

input	the input value
interpolation	the interpolation method
mode	the coordinate transformation mode
axes_mask	the mask that indicates which axes need to be resized. The LSB corresponds to the shape dimension with stride of 1. For example, to resize a tensor in NHWC layout, the mask would be 0b0110.
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_ResizeDynamic()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_ResizeDynamic	(	odla_value	input,
		odla_value	scales,
		odla_value	sizes,
		odla_interpolation_mode	interpolation,
		odla_resize_coordinate_mode	mode,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Resize by interpolating (dynamic shape)

Resize resizes the input using specified interpolation method. The shape of output is determined by either scales or sizes. It is an error if both are specified (non-null).

Parameters

input	the input value
scales	the scaling value
sizes	the size of output value
interpolation	the interpolation method
mode	the coordinate transformation mode
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Shape()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Shape	(	odla_value	input,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Get the shape of input.

Shape returns the shape of input as a 1D odla_value. The element type of the result value is implementation determined.

Parameters

input	the input value
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Slice()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Slice	(	odla_value	input,
		const odla_int32 *	start,
		const odla_int32 *	end,
		const odla_int32 *	stride,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Extract a slice.

Slice extracts a slice from input.

Parameters

input	the input value
start	the offets at each slicing dimension
end	the ending indices(exclusive) at each slicing dimension
stride	the stride at each slicing dimension
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_SliceDynamic()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_SliceDynamic	(	odla_value	input,
		odla_value	start,
		odla_value	size,
		odla_value	stride,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Extract a dynamic slice.

SliceDynamic extracts a dynamic slice from input.

Parameters

input	the input value
start	the offets at each slicing dimension
size	the number of elements at each slicing dimension
stride	the stride at each slicing dimension
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Split()

ODLA_API_EXPORT odla_values ODLA_API_CALL odla_Split	(	odla_value	input,
		odla_value	split_dim,
		odla_int32	num_split,
		const odla_value_ids	value_ids
	)

Splits a tensor into num_split tensors along one dimension.

Split extracts a slice from input.

Parameters

input	the input value
split_dim	the dimension along which to split
num_split	the number of ways to split
value_ids	an array of values ids (can be NULL)

Returns: odla_values

◆ odla_Squeeze()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Squeeze	(	odla_value	input,
		odla_size_t	num_of_axes,
		const odla_uint32 *	axes,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Remove dimensions of size 1.

Squeeze removes dimensions of size 1 from the shape of input. All single dimensions will be squeezed if num_of_axes is zero.

Parameters

input	the input value
num_of_axes	nubmer of axes to squeeze
axes	the axes to squeeze
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Stack()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Stack	(	odla_values	inputs,
		odla_int32	axis,
		odla_value_shape	output_shape,
		const odla_value_id	value_id
	)

Join a sequence of Values along a new axis.

Stack joins multiple values into single one along a new axis. All inputs must have the same dimension.

Parameters

inputs	the input values
axis	the index of the new axis in the dimensions of the result
output_shape	the result shape
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Tile()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Tile	(	odla_value	input,
		const odla_uint32 *	repeat,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Tile input multiples times.

Replicate a given input value multiples times.

Parameters

input	the input value
repeat	the dimension numbers of repeated copies along input's dimensions.
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_TileDynamic()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_TileDynamic	(	odla_value	input,
		odla_value	repeat,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Tile input multiples times dynamically.

Replicate a given input value multiples times dynamically.

Parameters

input	the input value
repeat	the dimension numbers of repeated copies along input's dimensions.
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

◆ odla_Transpose()

ODLA_API_EXPORT odla_value ODLA_API_CALL odla_Transpose	(	odla_value	input,
		odla_value_shape	permutations,
		odla_value_shape	output_dims,
		const odla_value_id	value_id
	)

Transpose the input.

Transpose returns a transposed value based on the permutation.

Parameters

input	the input value
permutations	the axies for permutation. It should be the same size as input_dims and output_dims
output_dims	the optional output shape (can be undefined)
value_id	a unique value id (can be NULL)

Returns: odla_value

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ odla_fill_method

◆ odla_interpolation_mode

◆ odla_resize_coordinate_mode

Function Documentation

◆ odla_Broadcast()

◆ odla_Cast()

◆ odla_Compress()

◆ odla_Concat()

◆ odla_DimsExpand()

◆ odla_ExpandDims()

◆ odla_Fill()

◆ odla_Gather()

◆ odla_GatherElements()

◆ odla_GatherND()

◆ odla_OneHot()

◆ odla_Pad()

◆ odla_Reshape()

◆ odla_ReshapeDynamic()

◆ odla_Resize()

◆ odla_ResizeDynamic()

◆ odla_Shape()

◆ odla_Slice()

◆ odla_SliceDynamic()

◆ odla_Split()

◆ odla_Squeeze()

◆ odla_Stack()

◆ odla_Tile()

◆ odla_TileDynamic()

◆ odla_Transpose()