executor.hpp

Go to the documentation of this file.

#pragma once

 
#include <string_view>
 
#include "orrery/backend/cpu_topology.hpp"
#include "orrery/backend/worker_statistics.hpp"
#include "orrery/core/function_ref.hpp"
#include "orrery/core/types.hpp"
 
namespace orrery::backend {

using RangeTask = core::FunctionRef<void(core::Index, core::Index)>;

class Executor {
public:
    virtual ~Executor() = default;

    virtual void run(core::Index count, RangeTask task) = 0;

    [[nodiscard]] virtual std::string_view name() const noexcept = 0;

    [[nodiscard]] virtual unsigned worker_count() const noexcept = 0;

    [[nodiscard]] virtual CoreClass worker_core_class(unsigned worker) const noexcept = 0;

    [[nodiscard]] virtual ExecutorStatistics statistics() const = 0;

    virtual void reset_statistics() noexcept = 0;
 
protected:
    // As on the other interfaces in this project: a class with a virtual
    // destructor suppresses the implicit copy and move operations, and copying
    // an implementation through a reference to this base would slice it.
    Executor() = default;
    Executor(const Executor&) = default;
    Executor(Executor&&) = default;
    Executor& operator=(const Executor&) = default;
    Executor& operator=(Executor&&) = default;
};
 
} // namespace orrery::backend