reduction.hpp File Reference

#include "shambase/exception.hpp"
#include "shamalgs/primitives/flatten.hpp"
#include "shambackends/DeviceBuffer.hpp"
#include "shambackends/SyclMpiTypes.hpp"
#include "shambackends/typeAliasVec.hpp"
#include "shamcomm/mpi.hpp"
#include "shamcomm/mpiErrorCheck.hpp"
#include "shamcomm/worldInfo.hpp"
#include "shamcomm/wrapper.hpp"
#include <type_traits>
#include <stdexcept>
#include <utility>

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Namespaces
namespace	shamalgs
	namespace to contain everything implemented by shamalgs

Functions
template<class T>
T	shamalgs::collective::allreduce_one (T a, MPI_Op op, MPI_Comm comm)
template<class T, int n>
sycl::vec< T, n >	shamalgs::collective::allreduce_one (sycl::vec< T, n > a, MPI_Op op, MPI_Comm comm)
template<class T>
T	shamalgs::collective::allreduce_sum (T a)
template<class T>
T	shamalgs::collective::allreduce_min (T a)
template<class T>
T	shamalgs::collective::allreduce_max (T a)
template<class T>
std::pair< T, T >	shamalgs::collective::allreduce_bounds (std::pair< T, T > bounds)
template<class T, sham::USMKindTarget target>
void	shamalgs::collective::reduce_buffer_in_place_sum (sham::DeviceBuffer< T, target > &field, MPI_Comm comm)
template<class T>
std::vector< T >	shamalgs::collective::gather (T a, MPI_Comm comm=MPI_COMM_WORLD, int root=0)

Detailed Description

Author

Timothée David–Cléris (tim.s.nosp@m.hamr.nosp@m.ock@p.nosp@m.roto.nosp@m.n.me)

Definition in file reduction.hpp.

Function Documentation

allreduce_bounds()

template<class T>

std::pair< T, T > shamalgs::collective::allreduce_bounds ( std::pair< T, T > bounds )

inline

Definition at line 73 of file reduction.hpp.

allreduce_max()

template<class T>

T shamalgs::collective::allreduce_max ( T a )

inline

Definition at line 68 of file reduction.hpp.

allreduce_min()

template<class T>

T shamalgs::collective::allreduce_min ( T a )

inline

Definition at line 63 of file reduction.hpp.

allreduce_one() [1/2]

template<class T, int n>

sycl::vec< T, n > shamalgs::collective::allreduce_one ( sycl::vec< T, n > a, MPI_Op op, MPI_Comm comm )

inline

Definition at line 42 of file reduction.hpp.

allreduce_one() [2/2]

template<class T>

T shamalgs::collective::allreduce_one ( T a, MPI_Op op, MPI_Comm comm )

inline

Definition at line 35 of file reduction.hpp.

allreduce_sum()

template<class T>

T shamalgs::collective::allreduce_sum ( T a )

inline

Definition at line 58 of file reduction.hpp.

gather()

template<class T>

std::vector< T > shamalgs::collective::gather ( T a, MPI_Comm comm = MPI_COMM_WORLD, int root = 0 )

inline

Definition at line 128 of file reduction.hpp.

reduce_buffer_in_place_sum()

template<class T, sham::USMKindTarget target>

void shamalgs::collective::reduce_buffer_in_place_sum ( sham::DeviceBuffer< T, target > & field, MPI_Comm comm )

inline

Definition at line 78 of file reduction.hpp.