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 | #include "../utils.h" |
20 | |
21 | namespace tvm { |
22 | namespace meta_schedule { |
23 | |
24 | class UpdateCostModelNode : public MeasureCallbackNode { |
25 | public: |
26 | void Apply(const TaskScheduler& task_scheduler, int task_id, |
27 | const Array<MeasureCandidate>& measure_candidates, |
28 | const Array<BuilderResult>& builder_results, |
29 | const Array<RunnerResult>& runner_results) final { |
30 | auto _ = Profiler::TimedScope("MeasureCallback/UpdateCostModel" ); |
31 | const TaskRecord& task = task_scheduler->tasks_[task_id]; |
32 | if (!task_scheduler->cost_model_.defined()) { |
33 | return; |
34 | } |
35 | CostModel cost_model = task_scheduler->cost_model_.value(); |
36 | ICHECK(task->measure_candidates.defined()) << "Task's measure candidates must be present!" ; |
37 | ICHECK_EQ(measure_candidates.size(), builder_results.size()); |
38 | ICHECK_EQ(runner_results.size(), builder_results.size()); |
39 | int n = builder_results.size(); |
40 | Array<MeasureCandidate> pruned_candidate; |
41 | Array<RunnerResult> pruned_runner_result; |
42 | pruned_candidate.reserve(n); |
43 | pruned_runner_result.reserve(n); |
44 | for (int i = 0; i < n; i++) { |
45 | if (!builder_results[i]->error_msg.defined() && // |
46 | (runner_results[i]->error_msg.defined() || // |
47 | (runner_results[i]->run_secs.defined() && |
48 | Sum(runner_results[i]->run_secs.value()) > 0))) { |
49 | pruned_candidate.push_back(measure_candidates[i]); |
50 | pruned_runner_result.push_back(runner_results[i]); |
51 | } |
52 | } |
53 | cost_model->Update(task->ctx, pruned_candidate, pruned_runner_result); |
54 | } |
55 | |
56 | static constexpr const char* _type_key = "meta_schedule.UpdateCostModel" ; |
57 | TVM_DECLARE_FINAL_OBJECT_INFO(UpdateCostModelNode, MeasureCallbackNode); |
58 | }; |
59 | |
60 | MeasureCallback MeasureCallback::UpdateCostModel() { |
61 | ObjectPtr<UpdateCostModelNode> n = make_object<UpdateCostModelNode>(); |
62 | return MeasureCallback(n); |
63 | } |
64 | |
65 | TVM_REGISTER_NODE_TYPE(UpdateCostModelNode); |
66 | TVM_REGISTER_GLOBAL("meta_schedule.MeasureCallbackUpdateCostModel" ) |
67 | .set_body_typed(MeasureCallback::UpdateCostModel); |
68 | |
69 | } // namespace meta_schedule |
70 | } // namespace tvm |
71 | |