1 | /* Copyright 2015-2017 The TensorFlow Authors. All Rights Reserved. |
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2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | // See docs in ../ops/array_ops.cc. |
17 | #include "tensorflow/core/kernels/identity_n_op.h" |
18 | |
19 | #include "tensorflow/core/common_runtime/input_colocation_exemption_registry.h" |
20 | #include "tensorflow/core/framework/op_kernel.h" |
21 | #include "tensorflow/core/framework/register_types.h" |
22 | #include "tensorflow/core/framework/tensor.h" |
23 | #include "tensorflow/core/framework/types.h" |
24 | |
25 | namespace tensorflow { |
26 | |
27 | REGISTER_KERNEL_BUILDER(Name("IdentityN").Device(DEVICE_DEFAULT), IdentityNOp); |
28 | REGISTER_KERNEL_BUILDER(Name("IdentityN").Device(DEVICE_TPU_SYSTEM), |
29 | IdentityNOp); |
30 | |
31 | // Do not worry about colocating IdentityN op with its resource inputs since |
32 | // it just forwards it's inputs anyway. This is needed because we create |
33 | // IdentityN nodes to club "all" outputs of functional ops while lowering to |
34 | // make the original functional op fetchable. |
35 | REGISTER_INPUT_COLOCATION_EXEMPTION("IdentityN"); |
36 | |
37 | } // namespace tensorflow |
38 |