StarNEig Library  v0.1.1
A task-based library for solving dense nonsymmetric eigenvalue problems
node.h
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1 
41 #ifndef STARNEIG_NODE_H
42 #define STARNEIG_NODE_H
43 
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47 
48 #include <starneig/configuration.h>
49 #include <stddef.h>
50 #ifdef STARNEIG_ENABLE_MPI
51 #include <mpi.h>
52 #endif
53 
61 
66 
70 typedef unsigned starneig_flag_t;
71 
77 #define STARNEIG_DEFAULT 0x0
78 
85 #define STARNEIG_HINT_SM 0x0
86 
93 #define STARNEIG_HINT_DM 0x1
94 
100 #define STARNEIG_FXT_DISABLE 0x2
101 
107 #define STARNEIG_AWAKE_WORKERS 0x4
108 
115 #define STARNEIG_AWAKE_MPI_WORKER 0x8
116 
123 #define STARNEIG_FAST_DM (STARNEIG_HINT_DM | STARNEIG_AWAKE_WORKERS | STARNEIG_AWAKE_MPI_WORKER)
124 
130 #define STARNEIG_NO_VERBOSE 0x10
131 
137 #define STARNEIG_NO_MESSAGES (STARNEIG_NO_VERBOSE | 0x20)
138 
142 
163 void starneig_node_init(int cores, int gpus, starneig_flag_t flags);
164 
171 
178 
185 void starneig_node_set_cores(int cores);
186 
193 
200 void starneig_node_set_gpus(int gpus);
201 
206 
207 #ifdef STARNEIG_ENABLE_CUDA
208 
213 
220 
227 
231 
232 #endif
233 
237 
238 // deprecated
239 #ifdef STARNEIG_ENABLE_MPI
240 void starneig_mpi_set_comm(MPI_Comm comm);
241 MPI_Comm starneig_mpi_get_comm();
242 #endif
243 
244 #ifdef __cplusplus
245 }
246 #endif
247 
248 #endif // STARNEIG_NODE_H
MPI_Comm starneig_mpi_get_comm()
Returns the library MPI communicator.
void starneig_node_set_gpus(int gpus)
Changes the number of GPUs to use per MPI rank.
void starneig_node_set_cores(int cores)
Changes the number of CPUs cores (threads) to use per MPI rank.
This file contains StarNEig library configuration.
void starneig_node_init(int cores, int gpus, starneig_flag_t flags)
Initializes the intra-node execution environment.
int starneig_node_initialized()
Checks whether the intra-node execution environment is initialized.
void starneig_node_disable_pinning()
Disables CUDA host memory pinning.
void starneig_node_enable_pinning()
Enable CUDA host memory pinning.
unsigned starneig_flag_t
Library initialization flag data type.
Definition: node.h:70
int starneig_node_get_cores()
Returns the number of cores (threads) per MPI rank.
int starneig_node_get_gpus()
Returns the number of GPUs per MPI rank.
void starneig_node_finalize()
Deallocates resources associated with the intra-node configuration.
void starneig_mpi_set_comm(MPI_Comm comm)
Sets a MPI communicator for the library.