1 /*
2 * Copyright (c) 2018-2021 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 "arm_compute/runtime/CL/functions/CLSlice.h"
25
26 #include "arm_compute/core/CL/ICLTensor.h"
27 #include "arm_compute/core/Types.h"
28 #include "arm_compute/core/utils/helpers/tensor_transform.h"
29 #include "src/core/CL/kernels/CLStridedSliceKernel.h"
30
31 #include "src/common/utils/Log.h"
32
33 namespace arm_compute
34 {
35 namespace experimental
36 {
configure(const CLCompileContext & compile_context,const ITensorInfo * input,ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)37 void CLSlice::configure(const CLCompileContext &compile_context, const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
38 {
39 ARM_COMPUTE_ERROR_ON_NULLPTR(input);
40 ARM_COMPUTE_LOG_PARAMS(input, output, starts, ends);
41
42 // Get absolute end coordinates
43 const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
44
45 auto k = std::make_unique<CLStridedSliceKernel>();
46 k->configure(compile_context, input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
47 _kernel = std::move(k);
48 }
49
validate(const ITensorInfo * input,const ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)50 Status CLSlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
51 {
52 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input);
53
54 // Check start dimensions for being non-negative
55 ARM_COMPUTE_RETURN_ERROR_ON(std::any_of(starts.cbegin(), starts.cbegin() + starts.num_dimensions(), [](int i)
56 {
57 return i < 0;
58 }));
59
60 // Get absolute end coordinates
61 const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
62
63 return CLStridedSliceKernel::validate(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
64 }
65 } // namespace experimental
66
67 struct CLSlice::Impl
68 {
69 const ICLTensor *src{ nullptr };
70 ICLTensor *dst{ nullptr };
71 std::unique_ptr<experimental::CLSlice> op{ nullptr };
72 };
73
CLSlice()74 CLSlice::CLSlice()
75 : _impl(std::make_unique<Impl>())
76 {
77 }
78 CLSlice::CLSlice(CLSlice &&) = default;
79 CLSlice &CLSlice::operator=(CLSlice &&) = default;
80 CLSlice::~CLSlice() = default;
81
validate(const ITensorInfo * input,const ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)82 Status CLSlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
83 {
84 return experimental::CLSlice::validate(input, output, starts, ends);
85 }
86
configure(const ICLTensor * input,ICLTensor * output,const Coordinates & starts,const Coordinates & ends)87 void CLSlice::configure(const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
88 {
89 configure(CLKernelLibrary::get().get_compile_context(), input, output, starts, ends);
90 }
91
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,const Coordinates & starts,const Coordinates & ends)92 void CLSlice::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
93 {
94 _impl->src = input;
95 _impl->dst = output;
96 _impl->op = std::make_unique<experimental::CLSlice>();
97 _impl->op->configure(compile_context, input->info(), output->info(), starts, ends);
98 }
99
run()100 void CLSlice::run()
101 {
102 ITensorPack pack;
103 pack.add_tensor(TensorType::ACL_SRC, _impl->src);
104 pack.add_tensor(TensorType::ACL_DST, _impl->dst);
105 _impl->op->run(pack);
106 }
107 } // namespace arm_compute
108