measure_record.h

Go to the documentation of this file.

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
 
#ifndef TVM_AUTO_SCHEDULER_MEASURE_RECORD_H_
#define TVM_AUTO_SCHEDULER_MEASURE_RECORD_H_
 
#include <tvm/auto_scheduler/measure.h>
 
#include <fstream>
#include <string>
#include <utility>
 
namespace tvm {
namespace auto_scheduler {
 
const std::string AUTO_SCHEDULER_LOG_VERSION = "v0.6";  // NOLINT(*)
 
class RecordToFileNode : public MeasureCallbackNode {
 public:
  String filename;
 
  void Callback(const SearchPolicy& policy, const Array<MeasureInput>& inputs,
                const Array<MeasureResult>& results) final;
 
  static constexpr const char* _type_key = "auto_scheduler.RecordToFile";
  TVM_DECLARE_FINAL_OBJECT_INFO(RecordToFileNode, MeasureCallbackNode);
};
 
class RecordToFile : public MeasureCallback {
 public:
  explicit RecordToFile(String filename);
 
  TVM_DEFINE_MUTABLE_OBJECT_REF_METHODS(RecordToFile, MeasureCallback, RecordToFileNode);
};
 
class RecordReaderNode : public Object {
 public:
  String filename;
  std::ifstream infile;
 
  ~RecordReaderNode();
 
  bool ReadNext(MeasureInputNode* inp, MeasureResultNode* res);
 
  std::pair<Array<MeasureInput>, Array<MeasureResult>> ReadLines(int max_size = -1,
                                                                 int skip_size = 0);
 
  static constexpr const char* _type_key = "auto_scheduler.RecordReader";
  TVM_DECLARE_FINAL_OBJECT_INFO(RecordReaderNode, Object);
 
 private:
  std::string cur_line_;
};
 
class RecordReader : public ObjectRef {
 public:
  explicit RecordReader(String filename);
 
  TVM_DEFINE_MUTABLE_OBJECT_REF_METHODS(RecordReader, ObjectRef, RecordReaderNode);
};
 
void WriteMeasureRecords(std::ostream* os, const Array<MeasureInput>& inputs,
                         const Array<MeasureResult>& results,
                         const std::string log_version = AUTO_SCHEDULER_LOG_VERSION);
 
void ReadMeasureRecord(const std::string& str, MeasureInputNode* inp, MeasureResultNode* res,
                       std::string* log_version);
 
}  // namespace auto_scheduler
}  // namespace tvm
 
#endif  // TVM_AUTO_SCHEDULER_MEASURE_RECORD_H_