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QUDA
v0.7.0
A library for QCD on GPUs
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QUDA
v0.7.0
A library for QCD on GPUs
|
Go to the source code of this file.
Typedefs | |
| typedef struct MsgHandle_s | MsgHandle |
| typedef struct Topology_s | Topology |
| typedef int(* | QudaCommsMap )(const int *coords, void *fdata) |
Functions | |
| char * | comm_hostname (void) |
| double | comm_drand (void) |
| Topology * | comm_create_topology (int ndim, const int *dims, QudaCommsMap rank_from_coords, void *map_data) |
| void | comm_destroy_topology (Topology *topo) |
| int | comm_ndim (const Topology *topo) |
| const int * | comm_dims (const Topology *topo) |
| const int * | comm_coords (const Topology *topo) |
| const int * | comm_coords_from_rank (const Topology *topo, int rank) |
| int | comm_rank_from_coords (const Topology *topo, const int *coords) |
| int | comm_rank_displaced (const Topology *topo, const int displacement[]) |
| void | comm_set_default_topology (Topology *topo) |
| Topology * | comm_default_topology (void) |
| int | comm_dim (int dim) |
| int | comm_coord (int dim) |
| MsgHandle * | comm_declare_send_relative (void *buffer, int dim, int dir, size_t nbytes) |
| MsgHandle * | comm_declare_receive_relative (void *buffer, int dim, int dir, size_t nbytes) |
| MsgHandle * | comm_declare_strided_send_relative (void *buffer, int dim, int dir, size_t blksize, int nblocks, size_t stride) |
| MsgHandle * | comm_declare_strided_receive_relative (void *buffer, int dim, int dir, size_t blksize, int nblocks, size_t stride) |
| void | comm_finalize (void) |
| void | comm_dim_partitioned_set (int dim) |
| int | comm_dim_partitioned (int dim) |
| void | comm_init (int ndim, const int *dims, QudaCommsMap rank_from_coords, void *map_data) |
| int | comm_rank (void) |
| int | comm_size (void) |
| int | comm_gpuid (void) |
| MsgHandle * | comm_declare_send_displaced (void *buffer, const int displacement[], size_t nbytes) |
| MsgHandle * | comm_declare_receive_displaced (void *buffer, const int displacement[], size_t nbytes) |
| MsgHandle * | comm_declare_strided_send_displaced (void *buffer, const int displacement[], size_t blksize, int nblocks, size_t stride) |
| MsgHandle * | comm_declare_strided_receive_displaced (void *buffer, const int displacement[], size_t blksize, int nblocks, size_t stride) |
| void | comm_free (MsgHandle *mh) |
| void | comm_start (MsgHandle *mh) |
| void | comm_wait (MsgHandle *mh) |
| int | comm_query (MsgHandle *mh) |
| void | comm_allreduce (double *data) |
| void | comm_allreduce_max (double *data) |
| void | comm_allreduce_array (double *data, size_t size) |
| void | comm_allreduce_int (int *data) |
| void | comm_broadcast (void *data, size_t nbytes) |
| void | comm_barrier (void) |
| void | comm_abort (int status) |
| typedef struct MsgHandle_s MsgHandle |
Definition at line 8 of file comm_quda.h.
| typedef int(* QudaCommsMap)(const int *coords, void *fdata) |
Definition at line 12 of file comm_quda.h.
| typedef struct Topology_s Topology |
Definition at line 9 of file comm_quda.h.
| void comm_abort | ( | int | status | ) |
Definition at line 246 of file comm_mpi.cpp.
| void comm_allreduce | ( | double * | data | ) |
Definition at line 201 of file comm_mpi.cpp.
| void comm_allreduce_array | ( | double * | data, |
| size_t | size | ||
| ) |
Definition at line 216 of file comm_mpi.cpp.
| void comm_allreduce_int | ( | int * | data | ) |
Definition at line 225 of file comm_mpi.cpp.
| void comm_allreduce_max | ( | double * | data | ) |
Definition at line 209 of file comm_mpi.cpp.
| void comm_barrier | ( | void | ) |
Definition at line 240 of file comm_mpi.cpp.
| void comm_broadcast | ( | void * | data, |
| size_t | nbytes | ||
| ) |
broadcast from rank 0
Definition at line 234 of file comm_mpi.cpp.
| int comm_coord | ( | int | dim | ) |
Definition at line 219 of file comm_common.cpp.
| const int* comm_coords | ( | const Topology * | topo | ) |
Definition at line 156 of file comm_common.cpp.
| const int* comm_coords_from_rank | ( | const Topology * | topo, |
| int | rank | ||
| ) |
Definition at line 162 of file comm_common.cpp.
| Topology* comm_create_topology | ( | int | ndim, |
| const int * | dims, | ||
| QudaCommsMap | rank_from_coords, | ||
| void * | map_data | ||
| ) |
Definition at line 93 of file comm_common.cpp.
| MsgHandle* comm_declare_receive_displaced | ( | void * | buffer, |
| const int | displacement[], | ||
| size_t | nbytes | ||
| ) |
Create a persistent message handler for a relative receive
| buffer | Buffer into which message will be received |
| dim | Dimension from message will be received |
| dir | Direction from messaged with be recived (0 - backwards, 1 forwards) |
| nbytes | Size of message in bytes |
Declare a message handle for receiving from a node displaced in (x,y,z,t) according to "displacement"
Definition at line 117 of file comm_mpi.cpp.
| MsgHandle* comm_declare_receive_relative | ( | void * | buffer, |
| int | dim, | ||
| int | dir, | ||
| size_t | nbytes | ||
| ) |
Create a persistent message handler for a relative receive
| buffer | Buffer into which message will be received |
| dim | Dimension from message will be received |
| dir | Direction from messaged with be recived (0 - backwards, 1 forwards) |
| nbytes | Size of message in bytes |
Receive from the "dir" direction in the "dim" dimension
Definition at line 241 of file comm_common.cpp.
| MsgHandle* comm_declare_send_displaced | ( | void * | buffer, |
| const int | displacement[], | ||
| size_t | nbytes | ||
| ) |
Create a persistent message handler for a relative send
| buffer | Buffer from which message will be sent |
| dim | Dimension in which message will be sent |
| dir | Direction in which messaged with be sent (0 - backwards, 1 forwards) |
| nbytes | Size of message in bytes |
Declare a message handle for sending to a node displaced in (x,y,z,t) according to "displacement"
Definition at line 101 of file comm_mpi.cpp.
| MsgHandle* comm_declare_send_relative | ( | void * | buffer, |
| int | dim, | ||
| int | dir, | ||
| size_t | nbytes | ||
| ) |
Create a persistent message handler for a relative send
| buffer | Buffer from which message will be sent |
| dim | Dimension in which message will be sent |
| dir | Direction in which messaged with be sent (0 - backwards, 1 forwards) |
| nbytes | Size of message in bytes |
Send to the "dir" direction in the "dim" dimension
Definition at line 229 of file comm_common.cpp.
| MsgHandle* comm_declare_strided_receive_displaced | ( | void * | buffer, |
| const int | displacement[], | ||
| size_t | blksize, | ||
| int | nblocks, | ||
| size_t | stride | ||
| ) |
Create a persistent strided message handler for a displaced receive
| buffer | Buffer into which message will be received |
| displacement | Array of offsets specifying the relative node from which we are receiving |
| blksize | Size of block in bytes |
| nblocks | Number of blocks |
| stride | Stride between blocks in bytes |
Declare a message handle for receiving from a node displaced in (x,y,z,t) according to "displacement"
Declare a message handle for strided receiving from a node displaced in (x,y,z,t) according to "displacement"
Definition at line 155 of file comm_mpi.cpp.
| MsgHandle* comm_declare_strided_receive_relative | ( | void * | buffer, |
| int | dim, | ||
| int | dir, | ||
| size_t | blksize, | ||
| int | nblocks, | ||
| size_t | stride | ||
| ) |
Create a persistent strided message handler for a relative receive
| buffer | Buffer into which message will be received |
| dim | Dimension from message will be received |
| dir | Direction from messaged with be recived (0 - backwards, 1 forwards) |
| blksize | Size of block in bytes |
| nblocks | Number of blocks |
| stride | Stride between blocks in bytes |
Strided receive from the "dir" direction in the "dim" dimension
Definition at line 265 of file comm_common.cpp.
| MsgHandle* comm_declare_strided_send_displaced | ( | void * | buffer, |
| const int | displacement[], | ||
| size_t | blksize, | ||
| int | nblocks, | ||
| size_t | stride | ||
| ) |
Create a persistent strided message handler for a displaced send
| buffer | Buffer from which message will be sent |
| displacement | Array of offsets specifying the relative node to which we are sending |
| blksize | Size of block in bytes |
| nblocks | Number of blocks |
| stride | Stride between blocks in bytes |
Declare a message handle for sending to a node displaced in (x,y,z,t) according to "displacement"
Declare a message handle for strided sending to a node displaced in (x,y,z,t) according to "displacement"
Definition at line 133 of file comm_mpi.cpp.
| MsgHandle* comm_declare_strided_send_relative | ( | void * | buffer, |
| int | dim, | ||
| int | dir, | ||
| size_t | blksize, | ||
| int | nblocks, | ||
| size_t | stride | ||
| ) |
Create a persistent strided message handler for a relative send
| buffer | Buffer from which message will be sent |
| dim | Dimension in which message will be sent |
| dir | Direction in which messaged with be sent (0 - backwards, 1 forwards) |
| blksize | Size of block in bytes |
| nblocks | Number of blocks |
| stride | Stride between blocks in bytes |
Strided send to the "dir" direction in the "dim" dimension
Definition at line 252 of file comm_common.cpp.
| Topology* comm_default_topology | ( | void | ) |
Definition at line 203 of file comm_common.cpp.
| void comm_destroy_topology | ( | Topology * | topo | ) |
Definition at line 136 of file comm_common.cpp.
| int comm_dim | ( | int | dim | ) |
Definition at line 212 of file comm_common.cpp.
| int comm_dim_partitioned | ( | int | dim | ) |
Definition at line 290 of file comm_common.cpp.
| void comm_dim_partitioned_set | ( | int | dim | ) |
Definition at line 284 of file comm_common.cpp.
| const int* comm_dims | ( | const Topology * | topo | ) |
Definition at line 150 of file comm_common.cpp.
| double comm_drand | ( | void | ) |
We provide our own random number generator to avoid re-seeding rand(), which might also be used by the calling application. This is a clone of rand48(), provided by stdlib.h on UNIX.
Definition at line 81 of file comm_common.cpp.
| void comm_finalize | ( | void | ) |
Definition at line 274 of file comm_common.cpp.
| void comm_free | ( | MsgHandle * | mh | ) |
Definition at line 174 of file comm_mpi.cpp.
| int comm_gpuid | ( | void | ) |
Definition at line 92 of file comm_mpi.cpp.
| char* comm_hostname | ( | void | ) |
Definition at line 57 of file comm_common.cpp.
| void comm_init | ( | int | ndim, |
| const int * | dims, | ||
| QudaCommsMap | rank_from_coords, | ||
| void * | map_data | ||
| ) |
Dummy communications layer for single-GPU backend.
Definition at line 31 of file comm_mpi.cpp.
| int comm_ndim | ( | const Topology * | topo | ) |
Definition at line 144 of file comm_common.cpp.
| int comm_query | ( | MsgHandle * | mh | ) |
Definition at line 192 of file comm_mpi.cpp.
| int comm_rank | ( | void | ) |
Definition at line 80 of file comm_mpi.cpp.
| int comm_rank_displaced | ( | const Topology * | topo, |
| const int | displacement[] | ||
| ) |
Definition at line 179 of file comm_common.cpp.
| int comm_rank_from_coords | ( | const Topology * | topo, |
| const int * | coords | ||
| ) |
Definition at line 168 of file comm_common.cpp.
| void comm_set_default_topology | ( | Topology * | topo | ) |
Definition at line 197 of file comm_common.cpp.
| int comm_size | ( | void | ) |
Definition at line 86 of file comm_mpi.cpp.
| void comm_start | ( | MsgHandle * | mh | ) |
Definition at line 180 of file comm_mpi.cpp.
| void comm_wait | ( | MsgHandle * | mh | ) |
Definition at line 186 of file comm_mpi.cpp.
1.8.6