2 // Copyright (c) 2019 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
17 #include "gather_inst.h"
18 #include "primitive_gpu_base.h"
19 #include "implementation_map.h"
20 #include "kernel_selector_helper.h"
21 #include "gather/gather_kernel_selector.h"
22 #include "gather/gather_kernel_ref.h"
23 #include "error_handler.h"
25 using namespace cldnn;
31 kernel_selector::gather_axis convert_axis(gather::gather_axis axis)
35 case gather::along_x: return kernel_selector::gather_axis::X;
36 case gather::along_y: return kernel_selector::gather_axis::Y;
37 case gather::along_f: return kernel_selector::gather_axis::FEATURE;
38 case gather::along_b: return kernel_selector::gather_axis::BATCH;
40 return kernel_selector::gather_axis::X;
44 struct gather_gpu : typed_primitive_gpu_impl<gather>
46 using parent = typed_primitive_gpu_impl<gather>;
51 static primitive_impl* create(const gather_node& arg)
53 auto gather_params = get_default_params<kernel_selector::gather_params>(arg);
54 auto gather_optional_params = get_default_optional_params<kernel_selector::gather_optional_params>(arg.get_program());
56 gather_params.axis = convert_axis(arg.get_primitive()->axis);
58 gather_params.inputs.push_back(convert_data_tensor(arg.input(1).get_output_layout()));
60 auto& kernel_selector = kernel_selector::gather_kernel_selector::Instance();
61 auto best_kernels = kernel_selector.GetBestKernels(gather_params, gather_optional_params);
63 CLDNN_ERROR_BOOL(arg.id(), "Best_kernel.empty()", best_kernels.empty(), "Cannot find a proper kernel with this arguments");
65 auto gather = new gather_gpu(arg, best_kernels[0]);
77 auto val_fw = gather_gpu::create;
78 implementation_map<gather>::add(std::make_tuple(engine_types::ocl, data_types::f32, format::bfyx), val_fw);
79 implementation_map<gather>::add(std::make_tuple(engine_types::ocl, data_types::f16, format::bfyx), val_fw);