mmdeploy/csrc/core/graph.h

112 lines
2.4 KiB
C++

// Copyright (c) OpenMMLab. All rights reserved.
#ifndef MMDEPLOY_SRC_EXPERIMENTAL_PIPELINE_IR_H_
#define MMDEPLOY_SRC_EXPERIMENTAL_PIPELINE_IR_H_
#include "core/model.h"
#include "core/module.h"
#include "core/registry.h"
#include "core/status_code.h"
#include "mpl/span.h"
#include "utils/formatter.h"
#if MMDEPLOY_USE_TASKFLOW
#include "taskflow/taskflow.hpp"
#endif
namespace mmdeploy {
namespace graph {
using std::pair;
using std::string;
using std::unique_ptr;
using std::vector;
class TaskGraph;
class Node;
class MMDEPLOY_API Context {
public:
explicit Context(TaskGraph* graph) : graph_(graph) {}
Value& current() { return context_.back(); }
void push(Value&& ctx) { context_.push_back(std::move(ctx)); }
Value pop() {
auto ctx = std::move(context_.back());
context_.pop_back();
return ctx;
}
size_t size() const noexcept { return context_.size(); }
bool empty() const noexcept { return context_.empty(); }
std::vector<Result<Value>> Execute(Span<std::function<Result<Value>()>> tasks);
private:
vector<Value> context_;
TaskGraph* graph_;
};
class MMDEPLOY_API TaskGraph {
friend class Context;
public:
using TaskFunction = std::function<Result<void>(Context& ctx)>;
class Handle {
public:
const std::string& name() const noexcept { return name_; }
void set_name(const std::string& name) { name_ = name; }
private:
std::string name_;
};
~TaskGraph();
TaskGraph() = default;
TaskGraph(const TaskGraph&) = delete;
TaskGraph& operator=(const TaskGraph&) = delete;
Handle* Add(TaskFunction fn);
Result<Value> Run(Value inputs);
private:
std::vector<Result<Value>> Execute(Span<std::function<Result<Value>()>> tasks);
vector<TaskFunction> function_;
vector<unique_ptr<Handle>> handle_;
#if MMDEPLOY_USE_TASKFLOW
tf::Executor executor_;
#endif
// profiling utils
std::vector<double> time_;
int64_t count_{};
};
class MMDEPLOY_API Node {
public:
virtual ~Node() = default;
virtual void Build(TaskGraph& graph) = 0;
const std::vector<std::string>& inputs() const noexcept { return inputs_; }
const std::vector<std::string>& outputs() const noexcept { return outputs_; }
const std::string& name() const noexcept { return name_; }
protected:
std::string name_;
std::vector<std::string> inputs_;
std::vector<std::string> outputs_;
};
} // namespace graph
MMDEPLOY_DECLARE_REGISTRY(graph::Node);
} // namespace mmdeploy
#endif // MMDEPLOY_SRC_EXPERIMENTAL_PIPELINE_IR_H_