feature.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef TVM_AUTO_SCHEDULER_FEATURE_H_
#define TVM_AUTO_SCHEDULER_FEATURE_H_

#include <tvm/auto_scheduler/compute_dag.h>
#include <tvm/auto_scheduler/measure.h>

#include <string>
#include <vector>

namespace tvm {
namespace auto_scheduler {

void GetPerStoreFeature(const Stmt& stmt, int cache_line_size, int max_n_bufs,
                        std::vector<float>* ret);

/*
 * \brief Get the names of elements in the feature vector. Use this for debug and inspection.
 * \param max_n_bufs The maximum number of extracted buffers for one statement
 * \param ret The returned names.
 */
void GetPerStoreFeatureName(int max_n_bufs, std::vector<std::string>* ret);

void GetPerStoreFeaturesFromStates(const Array<State>& states, const SearchTask& task,
                                   int skip_first_n_feature_extraction, int max_n_bufs,
                                   std::vector<std::vector<float> >* features);

void GetPerStoreFeaturesFromStates(const Array<State>& states, const std::vector<SearchTask>& tasks,
                                   int skip_first_n_feature_extraction, int max_n_bufs,
                                   std::vector<std::vector<float> >* features);

void GetPerStoreFeaturesFromFile(const std::string& filename, int max_lines, int max_n_bufs,
                                 std::vector<std::vector<float> >* features,
                                 std::vector<float>* normalized_throughputs,
                                 std::vector<int>* task_ids);

void GetPerStoreFeaturesFromMeasurePairs(const Array<MeasureInput>& inputs,
                                         const Array<MeasureResult>& results,
                                         int skip_first_n_feature_extraction, int max_n_bufs,
                                         std::vector<std::vector<float> >* features,
                                         std::vector<float>* normalized_throughputs,
                                         std::vector<int>* task_ids);

}  // namespace auto_scheduler
}  // namespace tvm

#endif  // TVM_AUTO_SCHEDULER_FEATURE_H_