alltoall_dispatch.hpp File Reference

Plugin to dispatch to one of multiple possible algorithms for alltoallv exchanges. More...

#include "kamping/checking_casts.hpp"
#include "kamping/collectives/allreduce.hpp"
#include "kamping/collectives/alltoall.hpp"
#include "kamping/communicator.hpp"
#include "kamping/environment.hpp"
#include "kamping/parameter_objects.hpp"
#include "kamping/plugin/alltoall_grid.hpp"
#include "kamping/plugin/alltoall_sparse.hpp"
#include "kamping/plugin/plugin_helpers.hpp"

Include dependency graph for alltoall_dispatch.hpp:

Go to the source code of this file.

Classes
struct	kamping::plugin::dispatch_alltoall::internal::PredicateDispatchAlltoall
	Predicate to check whether an argument provided to alltoallv_dispatch shall be discarded in the internal calls. More...
class	kamping::plugin::DispatchAlltoall< Comm, DefaultContainerType >
	Plugin providing an alltoallv exchange method which calls one of multiple underlying alltoallv exchange algorithms depending on the communication volume. More...

Enumerations
enum class	kamping::plugin::dispatch_alltoall::ParameterType { comm_volume_threshold }
	Parameter types used for the DispatchAlltoall plugin. More...

Functions
auto	kamping::plugin::dispatch_alltoall::comm_volume_threshold (size_t num_bytes)
	The threshold for the maximum bottleneck communication volume in number of bytes indicating for when to switch from grid to builtin alltoall.

Detailed Description

Plugin to dispatch to one of multiple possible algorithms for alltoallv exchanges.

Enumeration Type Documentation

ParameterType

enum class kamping::plugin::dispatch_alltoall::ParameterType

strong

Parameter types used for the DispatchAlltoall plugin.

Enumerator
comm_volume_threshold	Tag used to the communication volume threshold to use within alltoall_dispatch.

Function Documentation

comm_volume_threshold()

auto kamping::plugin::dispatch_alltoall::comm_volume_threshold ( size_t num_bytes )

inline

The threshold for the maximum bottleneck communication volume in number of bytes indicating for when to switch from grid to builtin alltoall.

Parameters

num_bytes

Threshold volume in number of bytes.

Returns

The corresponding parameter object.