measure_callback.h

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 * 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
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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_S_TIR_META_SCHEDULE_MEASURE_CALLBACK_H_
#define TVM_S_TIR_META_SCHEDULE_MEASURE_CALLBACK_H_
 
#include <tvm/ffi/container/array.h>
#include <tvm/ffi/function.h>
#include <tvm/ffi/reflection/registry.h>
#include <tvm/ffi/string.h>
#include <tvm/ir/prim/expr.h>
#include <tvm/runtime/base.h>
#include <tvm/s_tir/meta_schedule/builder.h>
#include <tvm/s_tir/meta_schedule/measure_candidate.h>
#include <tvm/s_tir/meta_schedule/runner.h>
#include <tvm/s_tir/meta_schedule/search_strategy.h>
#include <tvm/s_tir/meta_schedule/tune_context.h>
 
namespace tvm {
namespace s_tir {
namespace meta_schedule {
 
class TaskScheduler;
 
class MeasureCallbackObj : public ffi::Object {
 public:
  virtual ~MeasureCallbackObj() = default;
 
  static void RegisterReflection() {
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<MeasureCallbackObj>();
  }
 
  virtual void Apply(const TaskScheduler& task_scheduler,                     //
                     int task_id,                                             //
                     const ffi::Array<MeasureCandidate>& measure_candidates,  //
                     const ffi::Array<BuilderResult>& builder_results,        //
                     const ffi::Array<RunnerResult>& runner_results) = 0;
 
  static constexpr const bool _type_mutable = true;
  TVM_FFI_DECLARE_OBJECT_INFO("s_tir.meta_schedule.MeasureCallback", MeasureCallbackObj,
                              ffi::Object);
};
 
class PyMeasureCallbackObj : public MeasureCallbackObj {
 public:
  using FApply = ffi::TypedFunction<void(const TaskScheduler& task_scheduler,                     //
                                         int task_id,                                             //
                                         const ffi::Array<MeasureCandidate>& measure_candidates,  //
                                         const ffi::Array<BuilderResult>& builds,                 //
                                         const ffi::Array<RunnerResult>& results)>;
  FApply f_apply;
 
  static void RegisterReflection() {
    // `f_apply` is not registered
    namespace refl = tvm::ffi::reflection;
    refl::ObjectDef<PyMeasureCallbackObj>();
  }
 
  void Apply(const TaskScheduler& task_scheduler,                     //
             int task_id,                                             //
             const ffi::Array<MeasureCandidate>& measure_candidates,  //
             const ffi::Array<BuilderResult>& builds,                 //
             const ffi::Array<RunnerResult>& results);
  TVM_FFI_DECLARE_OBJECT_INFO_FINAL("s_tir.meta_schedule.PyMeasureCallback", PyMeasureCallbackObj,
                                    MeasureCallbackObj);
};
 
class MeasureCallback : public ffi::ObjectRef {
 public:
  explicit MeasureCallback(ffi::UnsafeInit tag, ffi::ObjectPtr<MeasureCallbackObj> data)
      : ffi::ObjectRef(tag) {
    data_ = std::move(data);
  }
 
  TVM_DLL static MeasureCallback AddToDatabase();
  TVM_DLL static MeasureCallback RemoveBuildArtifact();
  TVM_DLL static MeasureCallback UpdateCostModel();
  TVM_DLL static MeasureCallback PyMeasureCallback(PyMeasureCallbackObj::FApply f_apply);
  TVM_DLL static ffi::Array<MeasureCallback, void> Default();
  TVM_FFI_DEFINE_OBJECT_REF_METHODS_NOTNULLABLE(MeasureCallback, ffi::ObjectRef,
                                                MeasureCallbackObj);
};
 
}  // namespace meta_schedule
}  // namespace s_tir
}  // namespace tvm
 
#endif  // TVM_S_TIR_META_SCHEDULE_MEASURE_CALLBACK_H_