1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one |
3 | * or more contributor license agreements. See the NOTICE file |
4 | * distributed with this work for additional information |
5 | * regarding copyright ownership. The ASF licenses this file |
6 | * to you under the Apache License, Version 2.0 (the |
7 | * "License"); you may not use this file except in compliance |
8 | * with the License. You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, |
13 | * software distributed under the License is distributed on an |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
15 | * KIND, either express or implied. See the License for the |
16 | * specific language governing permissions and limitations |
17 | * under the License. |
18 | */ |
19 | |
20 | /*! |
21 | * \file x86/injective.h |
22 | * \brief x86 schedule for injective ops |
23 | */ |
24 | #ifndef TVM_TOPI_X86_INJECTIVE_H_ |
25 | #define TVM_TOPI_X86_INJECTIVE_H_ |
26 | |
27 | #include <tvm/target/generic_func.h> |
28 | #include <tvm/te/operation.h> |
29 | #include <tvm/topi/detail/fuse.h> |
30 | #include <tvm/topi/tags.h> |
31 | |
32 | namespace tvm { |
33 | namespace topi { |
34 | |
35 | using namespace tvm::te; |
36 | |
37 | namespace x86 { |
38 | |
39 | /*! |
40 | * \brief Updates an existing schedule for the given injective ops. |
41 | * |
42 | * \param sch The schedule to update. |
43 | * \param out The tensor representing the injective op. |
44 | * |
45 | * \return The updated schedule. |
46 | */ |
47 | inline Schedule schedule_injective_from_existing(Schedule sch, const Tensor& out) { |
48 | auto axis = sch[out]->op.as<ComputeOpNode>()->axis; |
49 | if (axis.size() == 4) { |
50 | auto n = axis[0]; |
51 | auto c = axis[1]; |
52 | auto fused = detail::Fuse(sch[out], {n, c}); // for nhwc layout, fuse n and h |
53 | sch[out].parallel(fused); |
54 | } else { |
55 | sch[out].parallel(axis[0]); |
56 | } |
57 | return sch; |
58 | } |
59 | |
60 | /*! |
61 | * \brief Create an x86 schedule for the given injective ops. |
62 | * |
63 | * \param target The target to generate a schedule for. |
64 | * \param outs The output tensors. |
65 | * |
66 | * \return A schedule for the given ops. |
67 | */ |
68 | inline Schedule schedule_injective(const Target& target, const Array<Tensor>& outs) { |
69 | Array<Operation> out_ops; |
70 | for (auto t : outs) { |
71 | out_ops.push_back(t->op); |
72 | } |
73 | auto s = create_schedule(out_ops); |
74 | tvm::te::AutoInlineInjective(s); |
75 | |
76 | auto x = outs[0]; |
77 | schedule_injective_from_existing(s, x); |
78 | |
79 | return s; |
80 | } |
81 | |
82 | } // namespace x86 |
83 | } // namespace topi |
84 | } // namespace tvm |
85 | #endif // TVM_TOPI_X86_INJECTIVE_H_ |
86 | |