90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
#ifndef ALSK_ALSK_IMPL_CALLABLE_H
|
|
#define ALSK_ALSK_IMPL_CALLABLE_H
|
|
|
|
#include "../skeleton/utility.h"
|
|
#include "../executor/executorstate.h"
|
|
|
|
namespace alsk {
|
|
|
|
template<typename Context, typename Executor>
|
|
struct CallableState {
|
|
Context context;
|
|
exec::ExecutorState<Executor> executor;
|
|
|
|
// out-of-class definition to silence -Winline
|
|
~CallableState() noexcept;
|
|
};
|
|
|
|
template<typename Context, typename Executor>
|
|
CallableState<Context, Executor>::~CallableState() noexcept {}
|
|
|
|
template<typename> struct Callable;
|
|
|
|
template<
|
|
template<typename...> class Impl,
|
|
template<typename...> class Skel, typename R, typename... Operands, typename... Tasks,
|
|
typename Tag, typename Executor, typename State
|
|
>
|
|
struct Callable<Impl<Skel<R(Operands...), Tasks...>, Tag, Executor, State>>:
|
|
Impl<Skel<R(Operands...), Tasks...>, Tag, Executor, State> {
|
|
using Skeleton = Skel<R(Operands...), Tasks...>;
|
|
using Implementation = Impl<Skeleton, Tag, Executor, State>;
|
|
using ThisType = Callable<Implementation>;
|
|
|
|
private:
|
|
std::size_t _parTasksCount;
|
|
|
|
public:
|
|
State state;
|
|
|
|
template<typename... Args, std::enable_if_t<sizeof...(Args) == 2>* = nullptr>
|
|
constexpr Callable(Args&&... args):
|
|
Implementation(std::forward<Args>(args)..., state),
|
|
_parTasksCount{0}
|
|
{}
|
|
|
|
// out-of-class definition to silence -Winline
|
|
~Callable() noexcept;
|
|
|
|
constexpr decltype(auto) operator()(Operands... operands) {
|
|
update();
|
|
return Implementation::operator()(operands...);
|
|
}
|
|
|
|
template<typename F, typename T>
|
|
constexpr decltype(auto) traverse(F&& function, T&& init) {
|
|
return SkeletonTraversal<Skeleton>::execute(Implementation::skeleton, std::forward<F>(function), std::forward<T>(init));
|
|
}
|
|
|
|
static constexpr tmp::Depth parallelizableLevels() {
|
|
return skeletonParallelHeight<Skeleton>;
|
|
}
|
|
|
|
std::size_t parallelTasksCount() const { return _parTasksCount; }
|
|
|
|
constexpr void update() {
|
|
auto traverser = [](std::size_t, auto&& skl, auto&&... values) {
|
|
using Skl = decltype(skl);
|
|
auto subpar = max(values...);
|
|
skl.step = subpar;
|
|
return SkeletonTraitsT<Skl>::parallelizability(std::forward<Skl>(skl)) * subpar;
|
|
};
|
|
|
|
_parTasksCount = traverse(traverser, 1ul);
|
|
|
|
ThisType::executor.config(*this);
|
|
state.context.setup(ThisType::executor.contextIdCount(static_cast<Implementation&>(*this), _parTasksCount));
|
|
}
|
|
};
|
|
|
|
template<
|
|
template<typename...> class Impl,
|
|
template<typename...> class Skel, typename R, typename... Operands, typename... Tasks,
|
|
typename Tag, typename Executor, typename State
|
|
>
|
|
Callable<Impl<Skel<R(Operands...), Tasks...>, Tag, Executor, State>>::~Callable() noexcept {}
|
|
|
|
}
|
|
|
|
#endif
|