Gromacs
2022.2
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#include "gmxpre.h"
#include "domdec_network.h"
#include "config.h"
#include <cstring>
#include "gromacs/domdec/domdec_struct.h"
#include "gromacs/utility/gmxmpi.h"
#include "domdec_internal.h"
This file defines functions for (mostly) the domdec module to use MPI functionality.
Macros | |
#define | DDMASTERRANK(dd) ((dd)->masterrank) |
Returns the MPI rank of the domain decomposition master rank. | |
Functions | |
template<typename T > | |
void | ddSendrecv (const struct gmx_domdec_t *dd, int ddDimensionIndex, int direction, T *sendBuffer, int numElementsToSend, T *receiveBuffer, int numElementsToReceive) |
Move data of type T in the communication region one cell along the domain decomposition. More... | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, int *, int, int *, int) |
Specialization of extern template for int. | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, real *, int, real *, int) |
Specialization of extern template for real. | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, rvec *, int, rvec *, int) |
Specialization of extern template for gmx::RVec. | |
template<typename T > | |
void | ddSendrecv (const gmx_domdec_t *dd, int ddDimensionIndex, int direction, gmx::ArrayRef< T > sendBuffer, gmx::ArrayRef< T > receiveBuffer) |
Move a view of T values in the communication region one cell along the domain decomposition. More... | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, gmx::ArrayRef< int >, gmx::ArrayRef< int >) |
Specialization of extern template for int. | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, gmx::ArrayRef< real >, gmx::ArrayRef< real >) |
Specialization of extern template for real. | |
template void | ddSendrecv (const gmx_domdec_t *, int, int, gmx::ArrayRef< gmx::RVec >, gmx::ArrayRef< gmx::RVec >) |
Specialization of extern template for gmx::RVec. | |
void | dd_sendrecv2_rvec (const struct gmx_domdec_t gmx_unused *dd, int gmx_unused ddimind, rvec gmx_unused *buf_s_fw, int gmx_unused n_s_fw, rvec gmx_unused *buf_r_fw, int gmx_unused n_r_fw, rvec gmx_unused *buf_s_bw, int gmx_unused n_s_bw, rvec gmx_unused *buf_r_bw, int gmx_unused n_r_bw) |
void | dd_bcast (const gmx_domdec_t gmx_unused *dd, int gmx_unused nbytes, void gmx_unused *data) |
void | dd_bcastc (const gmx_domdec_t *dd, int nbytes, void *src, void *dest) |
Copies nbytes from src to dest on DDMASTERRANK and then broadcasts to dest on all PP ranks. | |
void | dd_scatter (const gmx_domdec_t gmx_unused *dd, int gmx_unused nbytes, const void gmx_unused *src, void *dest) |
void | dd_gather (const gmx_domdec_t gmx_unused *dd, int gmx_unused nbytes, const void gmx_unused *src, void gmx_unused *dest) |
void | dd_scatterv (const gmx_domdec_t gmx_unused *dd, int gmx_unused *scounts, int gmx_unused *disps, const void *sbuf, int rcount, void *rbuf) |
void | dd_gatherv (const gmx_domdec_t gmx_unused *dd, int gmx_unused scount, const void gmx_unused *sbuf, int gmx_unused *rcounts, int gmx_unused *disps, void gmx_unused *rbuf) |
void ddSendrecv | ( | const struct gmx_domdec_t * | dd, |
int | ddDimensionIndex, | ||
int | direction, | ||
T * | sendBuffer, | ||
int | numElementsToSend, | ||
T * | receiveBuffer, | ||
int | numElementsToReceive | ||
) |
Move data of type T
in the communication region one cell along the domain decomposition.
Moves in the dimension indexed by ddDimensionIndex, either forward (direction=dddirFoward) or backward (direction=dddirBackward).
void ddSendrecv | ( | const gmx_domdec_t * | dd, |
int | ddDimensionIndex, | ||
int | direction, | ||
gmx::ArrayRef< T > | sendBuffer, | ||
gmx::ArrayRef< T > | receiveBuffer | ||
) |
Move a view of T values in the communication region one cell along the domain decomposition.
Moves in the dimension indexed by ddDimensionIndex, either forward (direction=dddirFoward) or backward (direction=dddirBackward).