1 /*
2 * Copyright (c) 2016-2022 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "src/gpu/cl/kernels/ClCastKernel.h"
25
26 #include "arm_compute/core/CL/CLHelpers.h"
27 #include "arm_compute/core/CL/CLKernelLibrary.h"
28 #include "arm_compute/core/CL/ICLTensor.h"
29 #include "arm_compute/core/CL/OpenCL.h"
30 #include "arm_compute/core/TensorInfo.h"
31 #include "arm_compute/core/Utils.h"
32 #include "arm_compute/core/Validate.h"
33 #include "src/core/CL/CLValidate.h"
34 #include "src/core/helpers/AutoConfiguration.h"
35 #include "src/core/helpers/WindowHelpers.h"
36
37 #include "support/Cast.h"
38 #include "support/StringSupport.h"
39
40 namespace arm_compute
41 {
42 namespace opencl
43 {
44 namespace kernels
45 {
46 namespace
47 {
validate_arguments(const ITensorInfo * src,const ITensorInfo * dst,ConvertPolicy policy)48 Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy)
49 {
50 ARM_COMPUTE_UNUSED(policy);
51 ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(src);
52 ARM_COMPUTE_RETURN_ERROR_ON(src == dst);
53 ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src,
54 1,
55 DataType::U8, DataType::S8, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8_PER_CHANNEL, DataType::S16,
56 DataType::U16, DataType::U32, DataType::S32, DataType::F16,
57 DataType::F32);
58 ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(dst,
59 1,
60 DataType::U8, DataType::S8, DataType::QASYMM8, DataType::S16,
61 DataType::U16, DataType::U32, DataType::S32, DataType::F16,
62 DataType::F32);
63 ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == dst->data_type(), "src and dst data types must be different");
64
65 // Validate in case of configured dst
66 if(dst->total_size() > 0)
67 {
68 ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(src, dst);
69 }
70
71 return Status{};
72 }
73 } // namespace
74
ClCastKernel()75 ClCastKernel::ClCastKernel()
76 {
77 _type = CLKernelType::ELEMENTWISE;
78 }
79
configure(const CLCompileContext & compile_context,const ITensorInfo * src,ITensorInfo * dst,ConvertPolicy policy)80 void ClCastKernel::configure(const CLCompileContext &compile_context, const ITensorInfo *src, ITensorInfo *dst, ConvertPolicy policy)
81 {
82 ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
83
84 // Auto initialize dst shape if not initialized (We can only auto-configure the shape, datatype must be given)
85 set_shape_if_empty(*dst, src->tensor_shape());
86
87 ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, policy));
88
89 auto padding_info = get_padding_info({ src, dst });
90
91 // Get data sizes
92 const size_t src_size = data_size_from_type(src->data_type());
93 const size_t dst_size = data_size_from_type(dst->data_type());
94
95 // Get number of elements to process per iterations
96 const unsigned int num_elems_processed_per_iteration = adjust_vec_size(16 / src->element_size(), src->dimension(0));
97
98 // Set build options
99 CLBuildOptions build_opts;
100 build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(num_elems_processed_per_iteration));
101 build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(src->dimension(0) % num_elems_processed_per_iteration));
102 build_opts.add_option("-DDATA_TYPE_IN=" + get_cl_type_from_data_type(src->data_type()));
103 build_opts.add_option("-DDATA_TYPE_OUT=" + get_cl_type_from_data_type(dst->data_type()));
104 // Conversions from float always SATURATE as out-of-bounds conversion from float->integer is implementation defined
105 build_opts.add_option_if(is_data_type_float(src->data_type()) || policy == ConvertPolicy::SATURATE, "-DSATURATE");
106 build_opts.add_option_if(is_data_type_float(src->data_type()) || is_data_type_float(dst->data_type()), "-DIS_DATA_TYPE_FLOAT");
107 build_opts.add_option_if(is_data_type_quantized(src->data_type()), "-DIS_DATA_TYPE_QUANTIZED");
108
109 // Create kernel
110 const std::string kernel_name = (src_size >= dst_size) ? "cast_down" : "cast_up";
111 _kernel = create_kernel(compile_context, kernel_name, build_opts.options());
112
113 // Configure kernel
114 Window win = calculate_max_window(*src, Steps(num_elems_processed_per_iteration));
115 ICLKernel::configure_internal(win);
116
117 // Collapse window
118 const Window &full_window = window();
119 Window collapsed_window = full_window.collapse_if_possible(full_window, Window::DimZ);
120 ICLKernel::configure_internal(collapsed_window);
121
122 ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info));
123
124 // Set config_id for enabling LWS tuning
125 _config_id = kernel_name;
126 _config_id += "_";
127 _config_id += lower_string(string_from_data_type(src->data_type()));
128 _config_id += "_";
129 _config_id += support::cpp11::to_string(src->dimension(0));
130 _config_id += "_";
131 _config_id += support::cpp11::to_string(src->dimension(1));
132 _config_id += "_";
133 _config_id += support::cpp11::to_string(dst->dimension(0));
134 _config_id += "_";
135 _config_id += support::cpp11::to_string(dst->dimension(1));
136 }
137
validate(const ITensorInfo * src,const ITensorInfo * dst,ConvertPolicy policy)138 Status ClCastKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy)
139 {
140 ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, policy));
141 return Status{};
142 }
143
run_op(ITensorPack & tensors,const Window & window,::cl::CommandQueue & queue)144 void ClCastKernel::run_op(ITensorPack &tensors, const Window &window, ::cl::CommandQueue &queue)
145 {
146 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
147 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
148
149 const auto src = utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC));
150 auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST));
151
152 ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
153
154 Window collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
155 Window slice = collapsed.first_slice_window_3D();
156
157 do
158 {
159 unsigned int idx = 0;
160 add_3D_tensor_argument(idx, src, slice);
161 add_3D_tensor_argument(idx, dst, slice);
162 enqueue(queue, *this, slice, lws_hint());
163 }
164 while(collapsed.slide_window_slice_3D(slice));
165 }
166 } // namespace kernels
167 } // namespace opencl
168 } // namespace arm_compute
169