1 /*
2 * Copyright (c) 2018-2020 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 #include "support/MemorySupport.h"
31
32 namespace arm_compute
33 {
34 namespace experimental
35 {
configure(const CLCompileContext & compile_context,const ITensorInfo * input,ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)36 void CLSlice::configure(const CLCompileContext &compile_context, const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
37 {
38 ARM_COMPUTE_ERROR_ON_NULLPTR(input);
39
40 // Get absolute end coordinates
41 const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
42
43 auto k = arm_compute::support::cpp14::make_unique<CLStridedSliceKernel>();
44 k->configure(compile_context, input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
45 _kernel = std::move(k);
46 }
47
validate(const ITensorInfo * input,const ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)48 Status CLSlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
49 {
50 ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input);
51
52 // Check start dimensions for being non-negative
53 ARM_COMPUTE_RETURN_ERROR_ON(std::any_of(starts.cbegin(), starts.cbegin() + starts.num_dimensions(), [](int i)
54 {
55 return i < 0;
56 }));
57
58 // Get absolute end coordinates
59 const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
60
61 return CLStridedSliceKernel::validate(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
62 }
63 } // namespace experimental
64
65 struct CLSlice::Impl
66 {
67 const ICLTensor *src{ nullptr };
68 ICLTensor *dst{ nullptr };
69 std::unique_ptr<experimental::CLSlice> op{ nullptr };
70 };
71
CLSlice()72 CLSlice::CLSlice()
73 : _impl(support::cpp14::make_unique<Impl>())
74 {
75 }
76 CLSlice::CLSlice(CLSlice &&) = default;
77 CLSlice &CLSlice::operator=(CLSlice &&) = default;
78 CLSlice::~CLSlice() = default;
79
validate(const ITensorInfo * input,const ITensorInfo * output,const Coordinates & starts,const Coordinates & ends)80 Status CLSlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
81 {
82 return experimental::CLSlice::validate(input, output, starts, ends);
83 }
84
configure(const ICLTensor * input,ICLTensor * output,const Coordinates & starts,const Coordinates & ends)85 void CLSlice::configure(const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
86 {
87 configure(CLKernelLibrary::get().get_compile_context(), input, output, starts, ends);
88 }
89
configure(const CLCompileContext & compile_context,const ICLTensor * input,ICLTensor * output,const Coordinates & starts,const Coordinates & ends)90 void CLSlice::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
91 {
92 _impl->src = input;
93 _impl->dst = output;
94 _impl->op = arm_compute::support::cpp14::make_unique<experimental::CLSlice>();
95 _impl->op->configure(compile_context, input->info(), output->info(), starts, ends);
96 }
97
run()98 void CLSlice::run()
99 {
100 ITensorPack pack;
101 pack.add_tensor(TensorType::ACL_SRC, _impl->src);
102 pack.add_tensor(TensorType::ACL_DST, _impl->dst);
103 _impl->op->run(pack);
104 }
105 } // namespace arm_compute
106