tune_context.h

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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
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#ifndef TVM_META_SCHEDULE_TUNE_CONTEXT_H_
#define TVM_META_SCHEDULE_TUNE_CONTEXT_H_

#include <tvm/ir/expr.h>
#include <tvm/ir/module.h>
#include <tvm/meta_schedule/builder.h>
#include <tvm/meta_schedule/runner.h>
#include <tvm/meta_schedule/search_strategy.h>
#include <tvm/meta_schedule/space_generator.h>
#include <tvm/node/reflection.h>
#include <tvm/runtime/container/array.h>
#include <tvm/runtime/container/map.h>
#include <tvm/runtime/container/optional.h>
#include <tvm/runtime/container/string.h>
#include <tvm/runtime/object.h>
#include <tvm/runtime/packed_func.h>
#include <tvm/support/random_engine.h>
#include <tvm/target/target.h>

namespace tvm {
namespace meta_schedule {

class TaskSchedulerNode;
class MeasureCallback;
class TuneContext;

class TuneContextNode : public runtime::Object {
 public:
  using TRandState = support::LinearCongruentialEngine::TRandState;

  Optional<IRModule> mod;
  Optional<Target> target;
  Optional<SpaceGenerator> space_generator;
  Optional<SearchStrategy> search_strategy;
  Optional<String> task_name;
  int num_threads;
  TRandState rand_state;
  PackedFunc logger;

  void VisitAttrs(tvm::AttrVisitor* v) {
    v->Visit("mod", &mod);
    v->Visit("target", &target);
    v->Visit("space_generator", &space_generator);
    v->Visit("search_strategy", &search_strategy);
    v->Visit("task_name", &task_name);
    v->Visit("num_threads", &num_threads);
    v->Visit("rand_state", &rand_state);
    // `logger` is not visited
  }
  void Initialize();
  TuneContext Clone() const;

  static constexpr const char* _type_key = "meta_schedule.TuneContext";
  TVM_DECLARE_FINAL_OBJECT_INFO(TuneContextNode, Object);
};

class TuneContext : public runtime::ObjectRef {
 public:
  using TRandState = support::LinearCongruentialEngine::TRandState;
  TVM_DLL explicit TuneContext(Optional<IRModule> mod, Optional<Target> target,
                               Optional<SpaceGenerator> space_generator,
                               Optional<SearchStrategy> search_strategy, Optional<String> task_name,
                               int num_threads, TRandState rand_state, PackedFunc logger);
  TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(TuneContext, ObjectRef, TuneContextNode);
};

}  // namespace meta_schedule
}  // namespace tvm

#endif  // TVM_META_SCHEDULE_TUNE_CONTEXT_H_