1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright (c) 2018-2020 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "helpers.h"
#include "warp_helpers.h"
#if defined(DATA_TYPE) && defined(OPERATION)
// Calculate exponential
#define exp_op(input) exp(input)
// Calculate reverse square root
#define rsqrt_op(input) rsqrt(input)
// Calculate negative
#define neg_op(input) (-input)
// Calculate sine
#define sin_op(input) sin(input)
// Calculate abs for floating point values
#define fabs_op(input) fabs(input)
// Calculate natural_log
#define natural_log_op(input) log(input)
// Calculate round (Cannot use round function as it rounds halfway cases away from zero).
#if defined(VEC_SIZE)
#define round_op(input) CONVERT(CONVERT_SAT_ROUND(input, VEC_DATA_TYPE(int, VEC_SIZE), rte), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE))
#else // defined(VEC_SIZE
#define round_op(input) CONVERT(CONVERT_SAT_ROUND(input, int, rte), DATA_TYPE)
#endif // defined(VEC_SIZE
/** Applies element wise unary operator in a tensor.
*
* @param[in] in_ptr Pointer to the source image. Supported data types: F16/32.
* @param[in] in_stride_x Stride of the source tensor in X dimension (in bytes)
* @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] in_stride_y Stride of the source tensor in Y dimension (in bytes)
* @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes)
* @param[in] in_step_z in_stride_z * number of elements along Z processed per workitem(in bytes)
* @param[in] in_offset_first_element_in_bytes Offset of the first element in the source image
* @param[out] out_ptr Pointer to the destination image. Supported data types: F16/32.
* @param[in] out_stride_x Stride of the destination image in X dimension (in bytes)
* @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] out_step_y Stride of the destination tensor in Y dimension (in bytes)
* @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] out_stride_z Stride of the destination tensor in Z dimension (in bytes)
* @param[in] out_step_z out_stride_z * number of elements along Z processed per workitem(in bytes)
* @param[in] out_offset_first_element_in_bytes Offset of the first element in the destination image
*/
__kernel void elementwise_unary(
TENSOR3D_DECLARATION(in),
TENSOR3D_DECLARATION(out))
{
Tensor3D in = CONVERT_TO_TENSOR3D_STRUCT(in);
Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out);
#if defined(VEC_SIZE) && defined(LAST_ACCESSED_X)
// Check if access on width gets out of bounds
// If it does shift access vector to access elements within bounds
const int xi = (int)(get_global_id(0) * VEC_SIZE);
in.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * in_stride_x;
out.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * out_stride_x;
VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr);
VSTORE(VEC_SIZE)
(OPERATION(data), 0, (__global DATA_TYPE *)out.ptr);
#else // !defined(VEC_SIZE) || !defined(LAST_ACCESSED_X)
*((__global DATA_TYPE *)(out.ptr)) = (DATA_TYPE)(OPERATION(*((__global DATA_TYPE *)in.ptr)));
#endif // defined(VEC_SIZE) && defined(LAST_ACCESSED_X)
}
#endif // defined(DATA_TYPE) && defined(OPERATION)
|
