prefetching.hpp¶

See Public API for a list of names and headers that are part of the public HPX API.

namespace hpx

namespace parallel

namespace util

Functions

template<typename Itr, typename ...Ts> prefetching::prefetcher_context<Itr, Ts const...> make_prefetcher_context(Itr base_begin, Itr base_end, std::size_t p_factor, Ts const&... rngs)¶

namespace prefetching¶

Functions

template<typename ...Ts, std::size_t... Is> void prefetch_containers(hpx::tuple<Ts...> const &t, hpx::util::index_pack<Is...>, std::size_t idx)¶

template<typename ExPolicy, typename Itr, typename ...Ts, typename F> constexpr prefetching_iterator<Itr, Ts...> tag_invoke(hpx::parallel::util::loop_n_t<ExPolicy>, prefetching_iterator<Itr, Ts...> it, std::size_t count, F &&f)¶

template<typename ExPolicy, typename Itr, typename ...Ts, typename F> constexpr prefetching_iterator<Itr, Ts...> tag_invoke(hpx::parallel::util::loop_n_ind_t<ExPolicy>, prefetching_iterator<Itr, Ts...> it, std::size_t count, F &&f)¶

struct loop_n_helper¶

Public Static Functions

template<typename Itr, typename ...Ts, typename F, typename Pred> static constexpr prefetching_iterator<Itr, Ts...> call(prefetching_iterator<Itr, Ts...> it, std::size_t count, F &&f, Pred)¶

template<typename Itr, typename ...Ts, typename CancelToken, typename F, typename Pred> static constexpr prefetching_iterator<Itr, Ts...> call(prefetching_iterator<Itr, Ts...> it, std::size_t count, CancelToken &tok, F &&f, Pred)¶

struct loop_n_ind_helper¶

Public Static Functions

template<typename Itr, typename ...Ts, typename F, typename Pred> static constexpr prefetching_iterator<Itr, Ts...> call(prefetching_iterator<Itr, Ts...> it, std::size_t count, F &&f, Pred)¶

template<typename Itr, typename ...Ts, typename CancelToken, typename F, typename Pred> static constexpr prefetching_iterator<Itr, Ts...> call(prefetching_iterator<Itr, Ts...> it, std::size_t count, CancelToken &tok, F &&f, Pred)¶

template<typename Itr, typename ...Ts> struct prefetcher_context¶

Public Functions

prefetcher_context(Itr begin, Itr end, ranges_type const &rngs, std::size_t p_factor = 1)¶

prefetching_iterator<Itr, Ts...> begin()¶

prefetching_iterator<Itr, Ts...> end()¶

Private Types

typedef hpx::tuple<std::reference_wrapper<Ts>...> ranges_type¶

Private Members

Itr it_begin_¶

Itr it_end_¶

ranges_type rngs_¶

std::size_t chunk_size_¶

std::size_t range_size_¶

Private Static Attributes

constexpr std::size_t sizeof_first_value_type = sizeof(typename hpx::tuple_element<0, ranges_type>::type::type)¶

template<typename Itr, typename ...Ts> class prefetching_iterator¶

Public Types

template<> using base_iterator = Itr¶

template<> using iterator_category = std::random_access_iterator_tag¶

template<> using value_type = typename std::iterator_traits::value_type¶

template<> using difference_type = std::ptrdiff_t¶

template<> using pointer = value_type*¶

template<> using reference = value_type&¶

Public Functions

prefetching_iterator(std::size_t idx, base_iterator base, std::size_t chunk_size, std::size_t range_size, ranges_type const &rngs)¶

ranges_type const &ranges() const¶

Itr base() const¶

std::size_t chunk_size() const¶

std::size_t range_size() const¶

std::size_t index() const¶

prefetching_iterator &operator+=(difference_type rhs)¶

prefetching_iterator &operator-=(difference_type rhs)¶

prefetching_iterator &operator++()¶

prefetching_iterator &operator--()¶

prefetching_iterator operator++(int)¶

prefetching_iterator operator--(int)¶

difference_type operator-(const prefetching_iterator &rhs) const¶

bool operator==(const prefetching_iterator &rhs) const¶

bool operator!=(const prefetching_iterator &rhs) const¶

bool operator>(const prefetching_iterator &rhs) const¶

bool operator<(const prefetching_iterator &rhs) const¶

bool operator>=(const prefetching_iterator &rhs) const¶

bool operator<=(const prefetching_iterator &rhs) const¶

std::size_t &operator[](std::size_t)¶

std::size_t operator*() const¶

Private Types

template<> using ranges_type = hpx::tuple<std::reference_wrapper<Ts>...>¶

Private Members

ranges_type rngs_¶

base_iterator base_¶

std::size_t chunk_size_¶

std::size_t range_size_¶

std::size_t idx_¶

Friends

prefetching_iterator operator+(prefetching_iterator const &lhs, difference_type rhs)¶

prefetching_iterator operator-(prefetching_iterator const &lhs, difference_type rhs)¶