1 /*
2 * Copyright (c) 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 "src/gpu/cl/operators/ClPRelu.h"
25
26 #include "src/gpu/cl/kernels/ClElementwiseKernel.h"
27
28 #include "src/common/utils/Log.h"
29
30 namespace arm_compute
31 {
32 namespace opencl
33 {
34 using KernelType = kernels::ClArithmeticKernel;
configure(const CLCompileContext & compile_context,ITensorInfo * input,ITensorInfo * alpha,ITensorInfo * output)35 void ClPRelu::configure(const CLCompileContext &compile_context, ITensorInfo *input, ITensorInfo *alpha, ITensorInfo *output)
36 {
37 ARM_COMPUTE_LOG_PARAMS(input, alpha, output);
38 auto k = std::make_unique<KernelType>();
39 k->configure(compile_context, ArithmeticOperation::PRELU, input, alpha, (output == nullptr ? input : output));
40 _kernel = std::move(k);
41 }
42
validate(const ITensorInfo * input,const ITensorInfo * alpha,const ITensorInfo * output)43 Status ClPRelu::validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output)
44 {
45 return KernelType::validate(ArithmeticOperation::PRELU, input, alpha, (output == nullptr ? input : output));
46 }
47
run(ITensorPack & tensors)48 void ClPRelu::run(ITensorPack &tensors)
49 {
50 // Output tensor can be given as nullptr for in-place computation.
51 // In this case, get the input tensor and use it as the output tensor.
52 if(tensors.get_tensor(TensorType::ACL_DST) == nullptr)
53 {
54 auto src_tensor = const_cast<ITensor *>(tensors.get_const_tensor(TensorType::ACL_SRC_0));
55 ARM_COMPUTE_ERROR_ON_MSG(src_tensor == nullptr, "invalid source tensor is given for in-place computation");
56 tensors.add_tensor(TensorType::ACL_DST, src_tensor);
57 }
58 IClOperator::run(tensors);
59 }
60 } // namespace opencl
61 } // namespace arm_compute