// Copyright (c) 2022 CINN Authors. All Rights Reserved.
//
// Licensed 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.

#pragma once

#include <vector>

#include "paddle/cinn/auto_schedule/measure/measure.h"

namespace cinn {
namespace auto_schedule {

// Entrance of schedule measurement, it mainly includes two processes:
// which are building the input schedules and running the generated codes.
class ScheduleMeasurer {
 public:
  ScheduleMeasurer(ScheduleBuilder* builder,
                   ScheduleRunner* runner,
                   int num_threads = 1);

  // Measure a batch of inputs and return all results once.
  std::vector<MeasureResult> Measure(const std::vector<MeasureInput>& inputs);

 private:
  // The handle to implemented ScheduleBuilder
  ScheduleBuilder* builder_;
  // The handle to implemented ScheduleRunner
  ScheduleRunner* runner_;
  // The number of threads used to perform measurement,
  // if it is greater than 1 that means parallel measurement.
  const int num_threads_;
};

}  // namespace auto_schedule
}  // namespace cinn
