Skip to main content
Ctrl+K
Logo image
  • HPX documentation

User documentation

  • Quick start
  • Tutorials
  • Examples
    • Asynchronous execution
    • Parallel algorithms
    • Asynchronous execution with actions
    • Remote execution with actions
    • Components and actions
    • Dataflow
    • Local to remote
    • Serializing user-defined types
    • Termination detection
  • Manual
    • Prerequisites
    • Getting HPX
    • Building HPX
    • CMake options
    • Migration guide
    • Building tests and examples
    • Creating HPX projects
    • Starting the HPX runtime
    • Launching and configuring HPX applications
    • Writing single-node applications
    • Writing distributed applications
    • Running on batch systems
    • Debugging HPX applications
    • Optimizing HPX applications
    • Using the LCI parcelport
    • Using the LCW parcelport
    • HPX runtime and resources
    • Executors
    • Error handling
    • The HPX I/O-streams component
    • Troubleshooting
  • Terminology
  • Why HPX?
  • Additional material

Modules

  • Overview
    • Core modules
      • affinity
      • algorithms
      • allocator_support
      • asio
      • assertion
      • async_base
      • async_combinators
      • async_cuda
      • async_local
      • async_mpi
      • async_sycl
      • batch_environments
      • cache
      • checkpoint_base
      • command_line_handling_local
      • compute_local
      • concepts
      • concurrency
      • config
      • config_registry
      • contracts
      • coroutines
      • datastructures
      • debugging
      • errors
      • execution
      • execution_base
      • executors
      • filesystem
      • format
      • functional
      • futures
      • hardware
      • hashing
      • include_local
      • ini
      • init_runtime_local
      • io_service
      • iterator_support
      • itt_notify
      • lci_base
      • lcos_local
      • likwid
      • lock_registration
      • logging
      • memory
      • mpi_base
      • pack_traversal
      • plugin
      • prefix
      • preprocessor
      • program_options
      • properties
      • resiliency
      • resource_partitioner
      • runtime_configuration
      • runtime_local
      • schedulers
      • serialization
      • static_reinit
      • string_util
      • synchronization
      • tag_invoke
      • testing
      • thread_pool_util
      • thread_pools
      • thread_support
      • threading
      • threading_base
      • thread_manager
      • thrust
      • timed_execution
      • timing
      • topology
      • tracy
      • type_support
      • util
      • version
    • Main HPX modules
      • actions
      • actions_base
      • agas
      • agas_base
      • async_colocated
      • async_distributed
      • checkpoint
      • collectives
      • command_line_handling
      • components
      • components_base
      • compute
      • distribution_policies
      • executors_distributed
      • include
      • init_runtime
      • lcos_distributed
      • naming
      • naming_base
      • parcelport_lci
      • parcelport_mpi
      • parcelport_tcp
      • parcelset
      • parcelset_base
      • performance_counters
      • plugin_factories
      • resiliency_distributed
      • runtime_components
      • runtime_distributed
      • segmented_algorithms
      • statistics

Reference

  • API reference
    • Public API
    • Public distributed API
    • Full API
      • algorithms
        • hpx::experimental::task_group
        • hpx::experimental::task_canceled_exception, hpx::experimental::task_block, hpx::experimental::define_task_block, hpx::experimental::define_task_block_restore_thread
        • hpx::experimental::run_on_all
        • hpx::ends_with
        • hpx::for_each, hpx::for_each_n
        • hpx::partial_sort_copy
        • hpx::reverse, hpx::reverse_copy
        • hpx::sort
        • hpx::min_element, hpx::max_element, hpx::minmax_element
        • hpx::uninitialized_move, hpx::uninitialized_move_n
        • hpx::uninitialized_relocate, hpx::uninitialized_relocate_n
        • hpx::swap_ranges
        • hpx::unique, hpx::unique_copy
        • hpx::partition, hpx::stable_partition, hpx::partition_copy
        • hpx::uninitialized_fill, hpx::uninitialized_fill_n
        • hpx::experimental::reduction
        • hpx::set_union
        • hpx::experimental::reduction_bit_xor
        • hpx::make_heap
        • hpx::is_partitioned
        • hpx::move
        • hpx::lexicographical_compare
        • hpx::experimental::reduction_plus
        • hpx::rotate, hpx::rotate_copy
        • hpx::experimental::reduction_multiplies
        • hpx/parallel/algorithms/iota.hpp
        • hpx/parallel/algorithms/transform_reduce_binary.hpp
        • hpx::exclusive_scan
        • hpx::copy, hpx::copy_n, hpx::copy_if
        • hpx::transform_exclusive_scan
        • hpx::stable_sort
        • hpx::inclusive_scan
        • hpx::experimental::induction
        • hpx::experimental::reduction_min
        • hpx::search, hpx::search_n
        • hpx::experimental::for_loop, hpx::experimental::for_loop_strided, hpx::experimental::for_loop_n, hpx::experimental::for_loop_n_strided
        • hpx::adjacent_difference
        • hpx::transform_reduce
        • hpx::experimental::reduction_bit_and
        • hpx::transform_inclusive_scan
        • hpx::fill, hpx::fill_n
        • hpx::replace, hpx::replace_if, hpx::replace_copy, hpx::replace_copy_if
        • hpx::uninitialized_copy, hpx::uninitialized_copy_n
        • hpx::adjacent_find
        • hpx::partial_sort
        • hpx::includes
        • hpx::is_sorted, hpx::is_sorted_until
        • hpx::transform
        • hpx::experimental::reduction_max
        • hpx::experimental::reduction_bit_or
        • hpx::destroy, hpx::destroy_n
        • hpx::starts_with
        • hpx::generate, hpx::generate_n
        • hpx::shift_left
        • hpx::reduce
        • hpx::count, hpx::count_if
        • hpx::reduce_by_key
        • hpx::remove, hpx::remove_if
        • hpx::uninitialized_default_construct, hpx::uninitialized_default_construct_n
        • hpx::merge, hpx::inplace_merge
        • hpx::experimental::sort_by_key
        • hpx::mismatch
        • hpx::shift_right
        • hpx::reduce_deterministic
        • hpx::all_of, hpx::any_of, hpx::none_of
        • hpx::find, hpx::find_if, hpx::find_if_not, hpx::find_end, hpx::find_first_of
        • hpx::set_intersection
        • hpx::remove_copy, hpx::remove_copy_if
        • hpx::nth_element
        • hpx::is_heap, hpx::is_heap_until
        • hpx::equal
        • hpx::uninitialized_value_construct, hpx::uninitialized_value_construct_n
        • hpx::set_symmetric_difference
        • hpx::set_difference
        • hpx::ranges::ends_with
        • hpx::ranges::for_each, hpx::ranges::for_each_n
        • hpx::ranges::partial_sort_copy
        • hpx::ranges::reverse, hpx::ranges::reverse_copy
        • hpx::ranges::sort
        • hpx::ranges::min_element, hpx::ranges::max_element, hpx::ranges::minmax_element
        • hpx::ranges::uninitialized_move, hpx::ranges::uninitialized_move_n
        • hpx::ranges::swap_ranges
        • hpx::ranges::unique, hpx::ranges::unique_copy
        • hpx::ranges::partition, hpx::ranges::stable_partition, hpx::ranges::partition_copy
        • hpx::ranges::fold_left, hpx::ranges::fold_left_first, hpx::ranges::fold_right, hpx::ranges::fold_right_last, hpx::ranges::fold_left_with_iter, hpx::ranges::fold_left_first_with_iter
        • hpx::ranges::uninitialized_fill, hpx::ranges::uninitialized_fill_n
        • hpx::ranges::set_union
        • hpx::ranges::make_heap
        • hpx::ranges::is_partitioned
        • hpx::ranges::move
        • hpx::ranges::lexicographical_compare
        • hpx::ranges::rotate, hpx::ranges::rotate_copy
        • hpx/parallel/container_algorithms/iota.hpp
        • hpx::ranges::exclusive_scan
        • hpx::ranges::copy, hpx::ranges::copy_n, hpx::ranges::copy_if
        • hpx::ranges::transform_exclusive_scan
        • hpx::ranges::stable_sort
        • hpx::ranges::inclusive_scan
        • hpx::ranges::search, hpx::ranges::search_n
        • hpx::ranges::experimental::for_loop, hpx::ranges::experimental::for_loop_strided, hpx::ranges::experimental::for_loop_n, hpx::ranges::experimental::for_loop_n_strided
        • hpx::ranges::adjacent_difference
        • hpx::ranges::transform_reduce
        • hpx::ranges::transform_inclusive_scan
        • hpx::ranges::fill, hpx::ranges::fill_n
        • hpx::ranges::replace, hpx::ranges::replace_if, hpx::ranges::replace_copy, hpx::ranges::replace_copy_if
        • hpx::ranges::uninitialized_copy, hpx::ranges::uninitialized_copy_n
        • hpx::ranges::adjacent_find
        • hpx::ranges::partial_sort
        • hpx::ranges::includes
        • hpx::ranges::is_sorted, hpx::ranges::is_sorted_until
        • hpx::ranges::transform
        • hpx::ranges::destroy, hpx::ranges::destroy_n
        • hpx::ranges::starts_with
        • hpx::ranges::generate, hpx::ranges::generate_n
        • hpx::ranges::shift_left
        • hpx::ranges::reduce
        • hpx::ranges::count, hpx::ranges::count_if
        • hpx::ranges::remove, hpx::ranges::remove_if
        • hpx::ranges::uninitialized_default_construct, hpx::ranges::uninitialized_default_construct_n
        • hpx::ranges::merge, hpx::ranges::inplace_merge
        • hpx::ranges::mismatch
        • hpx::ranges::shift_right
        • hpx::ranges::all_of, hpx::ranges::any_of, hpx::ranges::none_of
        • hpx::ranges::find, hpx::ranges::find_if, hpx::ranges::find_if_not, hpx::ranges::find_end, hpx::ranges::find_first_of, hpx::ranges::find_last, hpx::ranges::find_last_if, hpx::ranges::find_last_if_not
        • hpx::ranges::set_intersection
        • hpx::ranges::remove_copy, hpx::ranges::remove_copy_if
        • hpx::ranges::nth_element
        • hpx::ranges::is_heap, hpx::ranges::is_heap_until
        • hpx::ranges::equal
        • hpx::ranges::uninitialized_value_construct, hpx::ranges::uninitialized_value_construct_n
        • hpx::ranges::set_symmetric_difference
        • hpx::ranges::set_difference
        • hpx/parallel/util/range.hpp
      • asio
        • hpx/asio/asio_util.hpp
      • assertion
        • hpx/assertion/evaluate_assert.hpp
        • hpx/assertion/api.hpp
        • HPX_CURRENT_SOURCE_LOCATION, hpx::source_location
        • HPX_ASSERT, HPX_ASSERT_MSG
      • async_base
        • hpx::dataflow
        • hpx::launch
        • hpx::async
        • hpx::sync
        • hpx::post
      • async_combinators
        • hpx/async_combinators/split_future.hpp
        • hpx::wait_any
        • hpx::when_each
        • hpx::wait_some
        • hpx::when_any
        • hpx::wait_each
        • hpx::wait_all
        • hpx::when_some
        • hpx::when_all
      • async_cuda
        • hpx/async_cuda/cublas_executor.hpp
        • hpx/async_cuda/cuda_executor.hpp
      • async_mpi
        • hpx/async_mpi/mpi_executor.hpp
        • hpx/async_mpi/transform_mpi.hpp
      • cache
        • hpx/cache/lru_cache.hpp
        • hpx/cache/local_cache.hpp
        • hpx/cache/entries/fifo_entry.hpp
        • hpx/cache/entries/lfu_entry.hpp
        • hpx/cache/entries/entry.hpp
        • hpx/cache/entries/size_entry.hpp
        • hpx/cache/entries/lru_entry.hpp
        • hpx/cache/statistics/local_statistics.hpp
        • hpx/cache/statistics/no_statistics.hpp
      • checkpoint_base
        • hpx/checkpoint_base/checkpoint_data.hpp
      • compute_local
        • hpx/compute_local/vector.hpp
        • hpx/compute_local/host/block_fork_join_executor.hpp
        • hpx/compute_local/host/block_executor.hpp
      • config
        • hpx/config/endian.hpp
      • contracts
        • HPX_PRE, HPX_POST, HPX_CONTRACT_ASSERT
      • coroutines
        • hpx/coroutines/thread_enums.hpp
        • hpx/coroutines/thread_id_type.hpp
      • datastructures
        • hpx::any_nonser. hpx::bad_any_cast, hpx::unique_any_nonser, hpx::any_cast, hpx::make_any_nonser, hpx::make_unique_any_nonser
        • hpx::ignore, hpx::tuple, hpx::tuple_size, hpx::tuple_element, hpx::make_tuple, hpx::tie, hpx::forward_as_tuple, hpx::tuple_cat, hpx::get
        • hpx::any, hpx::make_any
      • debugging
        • hpx/debugging/print.hpp
      • errors
        • hpx/errors/define_error_info.hpp
        • HPX_THROW_EXCEPTION, HPX_THROW_BAD_ALLOC, HPX_THROWS_IF
        • hpx::exception
        • hpx/errors/exception_list.hpp
        • hpx/errors/error.hpp
        • hpx/errors/macros.hpp
        • hpx::error_code
        • hpx/errors/exception_fwd.hpp
      • execution
        • hpx/execution/executors/execution_information.hpp
        • hpx::execution::experimental::persistent_auto_chunk_size
        • hpx/execution/executors/adaptive_static_chunk_size.hpp
        • hpx/execution/executors/execution_parameters_fwd.hpp
        • hpx::execution::experimental::max_num_chunks
        • hpx::execution::experimental::static_chunk_size
        • hpx/execution/executors/default_parameters.hpp
        • hpx/execution/executors/execution_parameters.hpp
        • hpx::execution::experimental::dynamic_chunk_size
        • hpx::execution::experimental::guided_chunk_size
        • hpx/execution/executors/execution.hpp
        • hpx/execution/executors/polymorphic_executor.hpp
        • hpx::execution::experimental::num_cores
        • hpx::execution::experimental::collect_chunking_parameters
        • hpx::execution::experimental::auto_chunk_size
        • hpx/execution/executors/rebind_executor.hpp
        • hpx/execution/traits/is_execution_policy.hpp
      • execution_base
        • hpx/execution_base/receiver.hpp
        • hpx/execution_base/execution.hpp
        • hpx/execution_base/traits/is_executor_parameters.hpp
      • executors
        • hpx/executors/current_executor.hpp
        • hpx/executors/annotating_executor.hpp
        • hpx::execution::seq, hpx::execution::par, hpx::execution::par_unseq, hpx::execution::task, hpx::execution::sequenced_policy, hpx::execution::parallel_policy, hpx::execution::parallel_unsequenced_policy, hpx::execution::sequenced_task_policy, hpx::execution::parallel_task_policy
        • hpx/executors/parallel_executor.hpp
        • hpx/executors/fork_join_executor.hpp
        • hpx/executors/execution_policy_scheduling_property.hpp
        • hpx/executors/exception_list.hpp
        • hpx/executors/execution_policy_parameters.hpp
        • hpx/executors/service_executors.hpp
        • hpx/executors/sequenced_executor.hpp
        • hpx/executors/parallel_executor_aggregated.hpp
        • hpx/executors/explicit_scheduler_executor.hpp
        • hpx/executors/std_execution_policy.hpp
        • hpx/executors/execution_policy_annotation.hpp
        • hpx/executors/restricted_thread_pool_executor.hpp
        • hpx/executors/execution_policy_mappings.hpp
        • hpx/executors/scheduler_executor.hpp
        • hpx/executors/thread_pool_scheduler.hpp
        • hpx/executors/datapar/execution_policy.hpp
        • hpx/executors/datapar/execution_policy_mappings.hpp
      • filesystem
        • hpx/filesystem/api.hpp
      • functional
        • hpx::invoke_fused, hpx::invoke_fused_r
        • hpx::bind, hpx::placeholders::_1, hpx::placeholders::_2, …, hpx::placeholders::_9
        • hpx::bind_back
        • hpx::reference_wrapper, hpx::ref, hpx::cref
        • hpx::mem_fn
        • hpx::function
        • hpx::move_only_function
        • hpx::function_ref
        • hpx::bind_front
        • hpx::is_bind_expression
        • hpx::is_placeholder
        • hpx::experimental::scope_success
        • hpx::experimental::scope_fail
        • hpx::experimental::scope_exit
      • futures
        • hpx::future, hpx::shared_future, hpx::make_future, hpx::make_shared_future, hpx::make_ready_future, hpx::make_ready_future_alloc, hpx::make_ready_future_at, hpx::make_ready_future_after, hpx::make_exceptional_future
        • hpx::packaged_task
        • hpx::promise
        • hpx/futures/future_fwd.hpp
      • io_service
        • hpx/io_service/io_service_pool.hpp
      • lcos_local
        • hpx/lcos_local/trigger.hpp
      • pack_traversal
        • hpx/pack_traversal/pack_traversal_async.hpp
        • hpx/pack_traversal/pack_traversal.hpp
        • hpx::functional::unwrap, hpx::functional::unwrap_n, hpx::functional::unwrap_all, hpx::unwrap, hpx::unwrap_n, hpx::unwrap_all, hpx::unwrapping, hpx::unwrapping_n, hpx::unwrapping_all
      • preprocessor
        • hpx/preprocessor/nargs.hpp
        • hpx/preprocessor/expand.hpp
        • hpx/preprocessor/stringize.hpp
        • hpx/preprocessor/strip_parens.hpp
        • hpx/preprocessor/cat.hpp
      • resiliency
        • hpx/resiliency/replicate_executor.hpp
        • hpx/resiliency/replay_executor.hpp
      • runtime_configuration
        • hpx/runtime_configuration/plugin_registry_base.hpp
        • hpx::runtime_mode
        • HPX_REGISTER_COMPONENT_MODULE
        • hpx::components::component_commandline_base
        • hpx/runtime_configuration/component_registry_base.hpp
      • runtime_local
        • hpx::register_thread, hpx::unregister_thread, hpx::get_os_thread_data, hpx::enumerate_os_threads, hpx::get_runtime_instance_number, hpx::register_on_exit, hpx::is_starting, hpx::tolerate_node_faults, hpx::is_running, hpx::is_stopped, hpx::is_stopped_or_shutting_down, hpx::get_num_worker_threads, hpx::get_system_uptime
        • hpx::get_locality_name
        • hpx/runtime_local/runtime_local.hpp
        • hpx/runtime_local/thread_pool_helpers.hpp
        • hpx::shutdown_function_type, hpx::register_pre_shutdown_function, hpx::register_shutdown_function
        • hpx/runtime_local/termination_detection.hpp
        • hpx/runtime_local/service_executors.hpp
        • hpx/runtime_local/component_startup_shutdown_base.hpp
        • hpx::get_thread_name
        • hpx/runtime_local/custom_exception_info.hpp
        • hpx::get_initial_num_localities, hpx::get_num_localities
        • hpx/runtime_local/report_error.hpp
        • hpx::get_locality_id
        • hpx::startup_function_type, hpx::register_pre_startup_function, hpx::register_startup_function
        • hpx/runtime_local/get_worker_thread_num.hpp
        • hpx/runtime_local/thread_hooks.hpp
        • hpx/runtime_local/get_os_thread_count.hpp
      • serialization
        • hpx/serialization/base_object.hpp
      • synchronization
        • hpx::mutex, hpx::timed_mutex
        • hpx::nostopstate, hpx::stop_callback, hpx::stop_source, hpx::stop_token, hpx::nostopstate_t
        • hpx::condition_variable, hpx::condition_variable_any, hpx::cv_status
        • hpx::spinlock
        • hpx/synchronization/event.hpp
        • hpx::latch
        • hpx/synchronization/sliding_semaphore.hpp
        • hpx::recursive_mutex
        • hpx::once_flag, hpx::call_once
        • hpx::shared_mutex
        • hpx::binary_semaphore
        • hpx::barrier
        • hpx::no_mutex
        • hpx::counting_semaphore
      • tag_invoke
        • hpx::invoke
        • hpx::is_invocable, hpx::is_invocable_r
      • thread_pool_util
        • hpx/thread_pool_util/thread_pool_suspension_helpers.hpp
      • thread_support
        • hpx::unlock_guard
      • threading
        • hpx::jthread
        • hpx::thread, hpx::this_thread::yield, hpx::this_thread::get_id, hpx::this_thread::sleep_for, hpx::this_thread::sleep_until
      • threading_base
        • hpx/threading_base/threading_base_fwd.hpp
        • hpx/threading_base/print.hpp
        • hpx/threading_base/thread_pool_base.hpp
        • hpx::get_worker_thread_num, hpx::get_local_worker_thread_num, hpx::get_local_worker_thread_num, hpx::get_thread_pool_num, hpx::get_thread_pool_num
        • hpx/threading_base/thread_description.hpp
        • hpx/threading_base/thread_helpers.hpp
        • hpx::annotated_function
        • hpx/threading_base/thread_data.hpp
        • hpx/threading_base/register_thread.hpp
        • hpx::scoped_annotation
      • threadmanager
        • hpx/threadmanager/threadmanager.hpp
      • timed_execution
        • hpx/timed_execution/timed_execution_fwd.hpp
        • hpx/timed_execution/timed_executors.hpp
        • hpx/timed_execution/timed_execution.hpp
        • hpx/timed_execution/traits/is_timed_executor.hpp
      • timing
        • hpx::chrono::high_resolution_timer
        • hpx::chrono::high_resolution_clock
      • topology
        • hpx/topology/cpu_mask.hpp
        • hpx/topology/topology.hpp
      • util
        • hpx/util/insert_checked.hpp
        • hpx/util/sed_transform.hpp
      • actions
        • hpx/actions/action_support.hpp
        • hpx/actions/base_action.hpp
        • hpx/actions/transfer_action.hpp
        • hpx/actions/transfer_base_action.hpp
        • hpx/actions/actions_fwd.hpp
      • actions_base
        • HPX_REGISTER_ACTION_DECLARATION, HPX_REGISTER_ACTION
        • hpx/actions_base/basic_action_fwd.hpp
        • hpx/actions_base/lambda_to_action.hpp
        • hpx/actions_base/actions_base_support.hpp
        • hpx/actions_base/plain_action.hpp
        • hpx/actions_base/preassigned_action_id.hpp
        • HPX_DEFINE_COMPONENT_ACTION
        • hpx/actions_base/actions_base_fwd.hpp
        • hpx/actions_base/traits/action_remote_result.hpp
      • agas
        • hpx/agas/addressing_service.hpp
      • agas_base
        • hpx/agas_base/server/primary_namespace.hpp
      • async_colocated
        • hpx::get_colocation_id
      • async_distributed
        • hpx::dataflow (distributed)
        • hpx/async_distributed/trigger_lco_fwd.hpp
        • hpx/async_distributed/trigger_lco.hpp
        • hpx/async_distributed/base_lco_with_value.hpp
        • hpx::async (distributed)
        • hpx/async_distributed/base_lco.hpp
        • hpx/async_distributed/packaged_action.hpp
        • hpx/async_distributed/promise.hpp
        • hpx::sync (distributed)
        • hpx::distributed::promise
        • hpx/async_distributed/transfer_continuation_action.hpp
        • hpx::post (distributed)
      • checkpoint
        • hpx/checkpoint/checkpoint.hpp
      • collectives
        • hpx/collectives/all_gather.hpp
        • hpx/collectives/gather.hpp
        • hpx/collectives/argument_types.hpp
        • hpx/collectives/create_communicator.hpp
        • hpx/collectives/channel_communicator.hpp
        • hpx/collectives/fold.hpp
        • hpx/collectives/broadcast.hpp
        • hpx/collectives/exclusive_scan.hpp
        • hpx/collectives/inclusive_scan.hpp
        • hpx::distributed::latch
        • hpx/collectives/broadcast_direct.hpp
        • hpx/collectives/reduce.hpp
        • hpx/collectives/all_reduce.hpp
        • hpx/collectives/scatter.hpp
        • hpx/collectives/reduce_direct.hpp
        • hpx::distributed::barrier
        • hpx/collectives/all_to_all.hpp
      • components
        • hpx::components::client
        • hpx/components/basename_registration.hpp
        • hpx::components::client_base
        • hpx/components/get_ptr.hpp
        • hpx/components/basename_registration_fwd.hpp
      • components_base
        • hpx/components_base/get_lva.hpp
        • HPX_REGISTER_STARTUP_MODULE
        • hpx/components_base/agas_interface.hpp
        • HPX_REGISTER_COMMANDLINE_MODULE
        • hpx::components::component, hpx::components::component_base
        • hpx/components_base/component_type.hpp
        • hpx/components_base/server/fixed_component_base.hpp
        • hpx/components_base/server/managed_component_base.hpp
        • hpx/components_base/server/migration_support.hpp
      • compute
        • hpx/compute/host/target_distribution_policy.hpp
      • distribution_policies
        • hpx/distribution_policies/default_distribution_policy.hpp
        • hpx/distribution_policies/binpacking_distribution_policy.hpp
        • hpx/distribution_policies/target_distribution_policy.hpp
        • hpx/distribution_policies/unwrapping_result_policy.hpp
        • hpx/distribution_policies/colocating_distribution_policy.hpp
      • executors_distributed
        • hpx/executors_distributed/distribution_policy_executor.hpp
      • include
        • hpx/experimental/sandbox.hpp
      • init_runtime
        • hpx::suspend, hpx::resume
        • hpx/hpx_init.hpp
        • hpx/hpx_start.hpp
        • hpx::start
        • hpx::init
        • hpx::init_params
        • hpx::finalize, hpx::disconnect
      • naming_base
        • hpx/naming_base/unmanaged.hpp
      • parcelset
        • hpx/parcelset/parcelhandler.hpp
        • hpx/parcelset/connection_cache.hpp
        • hpx/parcelset/parcelset_fwd.hpp
        • hpx/parcelset/message_handler_fwd.hpp
      • parcelset_base
        • hpx/parcelset_base/parcelport.hpp
        • hpx/parcelset_base/parcelset_base_fwd.hpp
        • hpx/parcelset_base/set_parcel_write_handler.hpp
      • performance_counters
        • hpx/performance_counters/counters.hpp
        • hpx/performance_counters/registry.hpp
        • hpx/performance_counters/counters_fwd.hpp
        • hpx/performance_counters/counter_creators.hpp
        • hpx/performance_counters/manage_counter_type.hpp
      • plugin_factories
        • hpx/plugin_factories/binary_filter_factory.hpp
        • hpx/plugin_factories/plugin_registry.hpp
        • hpx/plugin_factories/message_handler_factory.hpp
        • hpx/plugin_factories/parcelport_factory.hpp
      • runtime_components
        • hpx/runtime_components/derived_component_factory.hpp
        • hpx/runtime_components/component_registry.hpp
        • hpx/runtime_components/components_fwd.hpp
        • hpx::new_
        • HPX_REGISTER_COMPONENT
      • runtime_distributed
        • hpx/runtime_distributed.hpp
        • hpx/runtime_distributed/applier_fwd.hpp
        • hpx/runtime_distributed/get_locality_name.hpp
        • hpx/runtime_distributed/find_here.hpp
        • hpx::find_root_locality, hpx::find_all_localities, hpx::find_remote_localities
        • hpx::find_locality
        • hpx/runtime_distributed/copy_component.hpp
        • hpx/runtime_distributed/applier.hpp
        • hpx/runtime_distributed/runtime_support.hpp
        • hpx/runtime_distributed/runtime_fwd.hpp
        • hpx/runtime_distributed/get_num_localities.hpp
        • hpx/runtime_distributed/migrate_component.hpp
        • hpx/runtime_distributed/server/copy_component.hpp
        • hpx/runtime_distributed/server/runtime_support.hpp
        • hpx/runtime_distributed/stubs/runtime_support.hpp
      • segmented_algorithms
        • hpx/parallel/segmented_algorithms/for_each.hpp
        • hpx/parallel/segmented_algorithms/minmax.hpp
        • hpx/parallel/segmented_algorithms/exclusive_scan.hpp
        • hpx/parallel/segmented_algorithms/transform_exclusive_scan.hpp
        • hpx/parallel/segmented_algorithms/inclusive_scan.hpp
        • hpx/parallel/segmented_algorithms/adjacent_difference.hpp
        • hpx/parallel/segmented_algorithms/transform_reduce.hpp
        • hpx/parallel/segmented_algorithms/replace_copy.hpp
        • hpx/parallel/segmented_algorithms/transform_inclusive_scan.hpp
        • hpx/parallel/segmented_algorithms/fill.hpp
        • hpx/parallel/segmented_algorithms/replace.hpp
        • hpx/parallel/segmented_algorithms/adjacent_find.hpp
        • hpx/parallel/segmented_algorithms/is_sorted.hpp
        • hpx/parallel/segmented_algorithms/transform.hpp
        • hpx/parallel/segmented_algorithms/generate.hpp
        • hpx/parallel/segmented_algorithms/reduce.hpp
        • hpx/parallel/segmented_algorithms/count.hpp
        • hpx/parallel/segmented_algorithms/all_any_none.hpp
        • hpx/parallel/segmented_algorithms/equal.hpp

Developer documentation

  • Contributing to HPX
    • Contributing to HPX
    • HPX governance model
    • Release procedure for HPX
    • Testing HPX
    • Using docker for development
    • Documentation
    • Module structure

Other

  • Releases
    • HPX V2.0.0 (TBD)
    • HPX V1.11.0 (Jun 30, 2025)
    • HPX V1.10.0 (May 29, 2024)
    • HPX V1.9.1 (August 4, 2023)
    • HPX V1.9.0 (May 2, 2023)
    • HPX V1.8.1 (Aug 5, 2022)
    • HPX V1.8.0 (May 18, 2022)
    • HPX V1.7.1 (Aug 12, 2021)
    • HPX V1.7.0 (Jul 14, 2021)
    • HPX V1.6.0 (Feb 17, 2021)
    • HPX V1.5.1 (Sep 30, 2020)
    • HPX V1.5.0 (Sep 02, 2020)
    • HPX V1.4.1 (Feb 12, 2020)
    • HPX V1.4.0 (January 15, 2020)
    • HPX V1.3.0 (May 23, 2019)
    • HPX V1.2.1 (Feb 19, 2019)
    • HPX V1.2.0 (Nov 12, 2018)
    • HPX V1.1.0 (Mar 24, 2018)
    • HPX V1.0.0 (Apr 24, 2017)
    • HPX V0.9.99 (Jul 15, 2016)
    • HPX V0.9.11 (Nov 11, 2015)
    • HPX V0.9.10 (Mar 24, 2015)
    • HPX V0.9.9 (Oct 31, 2014, codename Spooky)
    • HPX V0.9.8 (Mar 24, 2014)
    • HPX V0.9.7 (Nov 13, 2013)
    • HPX V0.9.6 (Jul 30, 2013)
    • HPX V0.9.5 (Jan 16, 2013)
    • HPX V0.9.0 (Jul 5, 2012)
    • HPX V0.8.1 (Apr 21, 2012)
    • HPX V0.8.0 (Mar 23, 2012)
    • HPX V0.7.0 (Dec 12, 2011)
    • HPX V1.9.0 Namespace changes
  • Citing HPX
  • HPX users
  • About HPX
    • History
    • People
  • Repository
  • Open issue

Index – L

  • LCO
  • lcos (C++ type), [1]
  • Lightweight Control Object
  • Local Control Object
  • Locality

By The HPX project

© Copyright 2026, HPX Project, a Series of LF Projects, LLC.

Last updated on Apr 05, 2026.