wehub-resource-sync
105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef TVM_S_TIR_META_SCHEDULE_PROFILER_H_
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#define TVM_S_TIR_META_SCHEDULE_PROFILER_H_
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#include <tvm/ffi/container/array.h>
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#include <tvm/ffi/function.h>
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#include <tvm/ffi/optional.h>
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#include <tvm/ffi/reflection/registry.h>
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#include <tvm/ffi/string.h>
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#include <tvm/ir/module.h>
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#include <tvm/target/target.h>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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namespace tvm {
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namespace s_tir {
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namespace meta_schedule {
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class ScopedTimer {
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public:
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~ScopedTimer() {
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if (deferred_ != nullptr) {
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deferred_();
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}
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}
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private:
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friend class Profiler;
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explicit ScopedTimer(ffi::TypedFunction<void()> deferred) : deferred_(deferred) {}
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ffi::TypedFunction<void()> deferred_;
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};
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/*! \brief A generic profiler */
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class ProfilerNode : public ffi::Object {
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public:
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/*! \brief The segments that are already profiled */
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std::unordered_map<std::string, double> stats_sec;
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/*! \brief Counter for the total time used */
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ffi::Function total_timer;
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static void RegisterReflection() {
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namespace refl = tvm::ffi::reflection;
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refl::ObjectDef<ProfilerNode>();
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}
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static constexpr const bool _type_mutable = true;
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TVM_FFI_DECLARE_OBJECT_INFO_FINAL("s_tir.meta_schedule.Profiler", ProfilerNode, ffi::Object);
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public:
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/*! \brief Get the internal stats of the running time */
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ffi::Map<ffi::String, FloatImm> Get() const;
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/*! \brief Return a summary of profiling results as table format */
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ffi::String Table() const;
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};
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/*!
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* \brief Managed reference to ProfilerNode
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* \sa ProfilerNode
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*/
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class Profiler : public ffi::ObjectRef {
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public:
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Profiler();
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TVM_FFI_DEFINE_OBJECT_REF_METHODS_NOTNULLABLE(Profiler, ffi::ObjectRef, ProfilerNode);
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/*! \brief Entering the scope of the context manager */
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void EnterWithScope();
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/*! \brief Exiting the scope of the context manager */
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void ExitWithScope();
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/*! \brief Returns the current profiler */
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static ffi::Optional<Profiler> Current();
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/*!
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* \brief Profile the time usage in the given scope in the given name.
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* \param name Name for the scope.
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* \return A scope timer for time profiling.
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*/
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static ScopedTimer TimedScope(ffi::String name);
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};
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} // namespace meta_schedule
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} // namespace s_tir
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} // namespace tvm
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#endif // TVM_S_TIR_META_SCHEDULE_PROFILER_H_
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