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/default.h |
22 | * \brief default x86 schedule |
23 | */ |
24 | #ifndef TVM_TOPI_X86_DEFAULT_H_ |
25 | #define TVM_TOPI_X86_DEFAULT_H_ |
26 | |
27 | #include <tvm/target/generic_func.h> |
28 | #include <tvm/te/operation.h> |
29 | #include <tvm/te/schedule_pass.h> |
30 | #include <tvm/topi/detail/fuse.h> |
31 | #include <tvm/topi/tags.h> |
32 | |
33 | namespace tvm { |
34 | namespace topi { |
35 | |
36 | using namespace tvm::te; |
37 | |
38 | namespace x86 { |
39 | /*! |
40 | * \brief Helper to create a default x86 schedule for the given ops. |
41 | * |
42 | * \param target The target to generate a schedule for. |
43 | * \param outs The output tensors. |
44 | * \param auto_inline Whether to apply the auto inline step. |
45 | * |
46 | * \return A schedule for the given ops. |
47 | */ |
48 | inline Schedule MakeDefaultSchedule(const Target& target, const Array<Tensor>& outs, |
49 | bool auto_inline) { |
50 | Array<Operation> out_ops; |
51 | for (auto t : outs) { |
52 | out_ops.push_back(t->op); |
53 | } |
54 | auto s = create_schedule(out_ops); |
55 | auto x = outs[0]; |
56 | auto axis = s[x]->op.as<ComputeOpNode>()->axis; |
57 | |
58 | if (auto_inline) { |
59 | tvm::te::AutoInlineInjective(s); |
60 | if (axis.size() > 0) { |
61 | detail::Fuse(s[x], axis); |
62 | } |
63 | return s; |
64 | } |
65 | |
66 | if (axis.size() == 4) { |
67 | auto n = axis[0]; |
68 | auto c = axis[1]; |
69 | auto fused = detail::Fuse(s[x], {n, c}); // for nhwc layout, fuse n and h |
70 | s[x].parallel(fused); |
71 | } else { |
72 | s[x].parallel(axis[0]); |
73 | } |
74 | |
75 | return s; |
76 | } |
77 | |
78 | /*! |
79 | * \brief Create a default x86 schedule for the given ops. |
80 | * |
81 | * \param target The target to generate a schedule for. |
82 | * \param outs The output tensors. |
83 | * |
84 | * \return A schedule for the given ops. |
85 | */ |
86 | inline Schedule default_schedule(const Target& target, const Array<Tensor>& outs) { |
87 | return MakeDefaultSchedule(target, outs, false); |
88 | } |
89 | |
90 | /*! |
91 | * \brief Create a default x86 schedule for the given ops, with auto inline |
92 | * |
93 | * \param target The target to generate a schedule for. |
94 | * \param outs The output tensors. |
95 | * |
96 | * \return A schedule for the given ops. |
97 | */ |
98 | inline Schedule default_schedule_auto_inline(const Target& target, const Array<Tensor>& outs) { |
99 | return MakeDefaultSchedule(target, outs, true); |
100 | } |
101 | |
102 | } // namespace x86 |
103 | } // namespace topi |
104 | } // namespace tvm |
105 | #endif // TVM_TOPI_X86_DEFAULT_H_ |
106 | |