Compute Library
 22.05
reshape_layer.cl
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24 #include "helpers.h"
25 
26 /** Perform tensor reshape
27  *
28  * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short
29  *
30  * @param[in] input_ptr Pointer to the first source tensor. Supported data types: All
31  * @param[in] input_stride_x Stride of the first source tensor in X dimension (in bytes)
32  * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes)
33  * @param[in] input_stride_y Stride of the first source tensor in Y dimension (in bytes)
34  * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes)
35  * @param[in] input_stride_z Stride of the first source tensor in Z dimension (in bytes)
36  * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes)
37  * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source tensor
38  * @param[out] output_ptr Pointer to the destination tensor. Supported data types: same as @p input_ptr
39  * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes)
40  * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes)
41  * @param[in] output_stride_y Stride of the destination tensor in Y dimension (in bytes)
42  * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes)
43  * @param[in] output_stride_z Stride of the destination tensor in Z dimension (in bytes)
44  * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes)
45  * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination tensor
46  * @param[in] input_shape Input spatial shape
47  * @param[in] output_shape Output spatial shape
48  */
50  TENSOR3D_DECLARATION(output),
51  int2 input_shape,
52  int2 output_shape)
53 {
56 
57  int3 id = (int3)(get_global_id(0), get_global_id(1), get_global_id(2));
58 
59  // Linearize index
60  int linear_idx = id.x + id.y * input_shape.x + id.z * input_shape.x * input_shape.y;
61 
62  // Translate to output
63  int3 out_id;
64  out_id.x = linear_idx % output_shape.x;
65  out_id.y = (linear_idx / output_shape.x) % output_shape.y;
66  out_id.z = linear_idx / (output_shape.x * output_shape.y);
67 
68  // Store result
69  *((__global DATA_TYPE *)tensor3D_offset(&out, out_id.x, out_id.y, out_id.z)) = *((__global DATA_TYPE *)in.ptr);
70 }
Structure to hold 3D tensor information.
Definition: helpers.h:905
#define CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(name)
Definition: helpers.h:873
const auto input_shape
Validate test suite is to test ARM_COMPUTE_RETURN_ON_* macros we use to check the validity of given a...
__kernel void reshape_layer(__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_stride_z, uint input_step_z, uint input_offset_first_element_in_bytes, __global uchar *output_ptr, uint output_stride_x, uint output_step_x, uint output_stride_y, uint output_step_y, uint output_stride_z, uint output_step_z, uint output_offset_first_element_in_bytes, int2 input_shape, int2 output_shape)
Perform tensor reshape.
#define CONVERT_TO_TENSOR3D_STRUCT(name)
Definition: helpers.h:869
__global uchar * ptr
Pointer to the starting postion of the buffer.
Definition: helpers.h:907
#define TENSOR3D_DECLARATION(name)
Definition: helpers.h:812
__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)
Get the pointer position of a Tensor3D.
Definition: helpers.h:1095