1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2013 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2014-2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_COLL_LIBNBC_EXPORT_H
#define MCA_COLL_LIBNBC_EXPORT_H
#include "ompi/mca/coll/coll.h"
#include "ompi/request/request.h"
#include "opal/sys/atomic.h"
BEGIN_C_DECLS
/*********************** LibNBC tuning parameters ************************/
/* the debug level */
#define NBC_DLEVEL 0
/* enable schedule caching - undef NBC_CACHE_SCHEDULE to deactivate it */
/* TODO: this whole schedule cache stuff does not work with the tmbuf
* :-( - first, the tmpbuf must not be freed if a schedule using it is
* still in the cache and second, the tmpbuf used by the schedule must
* be attached to the handle that uses this schedule !!!!
* I.E., THIS IS EXPERIMENTAL AND MIGHT NOT WORK */
/* It also leaks memory because the schedule is never cleaned up when
the communicator is destroyed, so don't use it for now */
#ifdef NBC_CACHE_SCHEDULE
#undef NBC_CACHE_SCHEDULE
#endif
#define NBC_SCHED_DICT_UPPER 1024 /* max. number of dict entries */
#define NBC_SCHED_DICT_LOWER 512 /* nuber of dict entries after wipe, if SCHED_DICT_UPPER is reached */
/********************* end of LibNBC tuning parameters ************************/
/* Function return codes */
#define NBC_OK 0 /* everything went fine */
#define NBC_SUCCESS 0 /* everything went fine (MPI compliant :) */
#define NBC_OOR 1 /* out of resources */
#define NBC_BAD_SCHED 2 /* bad schedule */
#define NBC_CONTINUE 3 /* progress not done */
#define NBC_DATATYPE_NOT_SUPPORTED 4 /* datatype not supported or not valid */
#define NBC_OP_NOT_SUPPORTED 5 /* operation not supported or not valid */
#define NBC_NOT_IMPLEMENTED 6
#define NBC_INVALID_PARAM 7 /* invalid parameters */
#define NBC_INVALID_TOPOLOGY_COMM 8 /* invalid topology attached to communicator */
/* number of implemented collective functions */
#define NBC_NUM_COLL 17
extern bool libnbc_ibcast_skip_dt_decision;
struct ompi_coll_libnbc_component_t {
mca_coll_base_component_2_0_0_t super;
opal_free_list_t requests;
opal_list_t active_requests;
int32_t active_comms;
opal_atomic_lock_t progress_lock; /* protect from recursive calls */
opal_mutex_t lock; /* protect access to the active_requests list */
};
typedef struct ompi_coll_libnbc_component_t ompi_coll_libnbc_component_t;
/* Globally exported variables */
OMPI_MODULE_DECLSPEC extern ompi_coll_libnbc_component_t mca_coll_libnbc_component;
struct ompi_coll_libnbc_module_t {
mca_coll_base_module_t super;
opal_mutex_t mutex;
bool comm_registered;
int tag;
#ifdef NBC_CACHE_SCHEDULE
void *NBC_Dict[NBC_NUM_COLL]; /* this should point to a struct
hb_tree, but since this is a
public header-file, this would be
an include mess :-(. So let's void
it ...*/
int NBC_Dict_size[NBC_NUM_COLL];
#endif
};
typedef struct ompi_coll_libnbc_module_t ompi_coll_libnbc_module_t;
OBJ_CLASS_DECLARATION(ompi_coll_libnbc_module_t);
typedef ompi_coll_libnbc_module_t NBC_Comminfo;
struct NBC_Schedule {
opal_object_t super;
volatile int size;
volatile int current_round_offset;
char *data;
};
typedef struct NBC_Schedule NBC_Schedule;
OBJ_CLASS_DECLARATION(NBC_Schedule);
struct ompi_coll_libnbc_request_t {
ompi_request_t super;
MPI_Comm comm;
long row_offset;
int tag;
volatile int req_count;
ompi_request_t **req_array;
NBC_Comminfo *comminfo;
NBC_Schedule *schedule;
void *tmpbuf; /* temporary buffer e.g. used for Reduce */
/* TODO: we should make a handle pointer to a state later (that the user
* can move request handles) */
};
typedef struct ompi_coll_libnbc_request_t ompi_coll_libnbc_request_t;
OBJ_CLASS_DECLARATION(ompi_coll_libnbc_request_t);
typedef ompi_coll_libnbc_request_t NBC_Handle;
#define OMPI_COLL_LIBNBC_REQUEST_ALLOC(comm, req) \
do { \
opal_free_list_item_t *item; \
item = opal_free_list_wait (&mca_coll_libnbc_component.requests); \
req = (ompi_coll_libnbc_request_t*) item; \
OMPI_REQUEST_INIT(&req->super, false); \
req->super.req_mpi_object.comm = comm; \
req->super.req_complete = false; \
req->super.req_state = OMPI_REQUEST_ACTIVE; \
} while (0)
#define OMPI_COLL_LIBNBC_REQUEST_RETURN(req) \
do { \
OMPI_REQUEST_FINI(&(req)->super); \
opal_free_list_return (&mca_coll_libnbc_component.requests, \
(opal_free_list_item_t*) (req)); \
} while (0)
int ompi_coll_libnbc_progress(void);
int NBC_Init_comm(MPI_Comm comm, ompi_coll_libnbc_module_t *module);
int NBC_Progress(NBC_Handle *handle);
int ompi_coll_libnbc_iallgather(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iallgatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, const int *recvcounts, const int *displs,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iallreduce(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoall(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoallv(const void* sendbuf, const int *sendcounts, const int *sdispls,
MPI_Datatype sendtype, void* recvbuf, const int *recvcounts, const int *rdispls,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoallw(const void *sbuf, const int *scounts, const int *sdisps, struct ompi_datatype_t * const *sdtypes,
void *rbuf, const int *rcounts, const int *rdisps, struct ompi_datatype_t * const *rdtypes,
struct ompi_communicator_t *comm, ompi_request_t **request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ibarrier(struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ibcast(void *buffer, int count, MPI_Datatype datatype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iexscan(const void *sbuf, void *rbuf, int count, struct ompi_datatype_t *dtype,
struct ompi_op_t *op, struct ompi_communicator_t *comm, ompi_request_t **request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_igather(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_igatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype,
void* recvbuf, const int *recvcounts, const int *displs, MPI_Datatype recvtype,
int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype,
MPI_Op op, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce_scatter(const void* sendbuf, void* recvbuf, const int *recvcounts, MPI_Datatype datatype,
MPI_Op op, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce_scatter_block(const void *sbuf, void *rbuf, int rcount, struct ompi_datatype_t *dtype,
struct ompi_op_t *op, struct ompi_communicator_t *comm,
ompi_request_t **request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iscan(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iscatter(const void* sendbuf, int sendcount, MPI_Datatype sendtype,
void* recvbuf, int recvcount, MPI_Datatype recvtype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iscatterv(const void* sendbuf, const int *sendcounts, const int *displs, MPI_Datatype sendtype,
void* recvbuf, int recvcount, MPI_Datatype recvtype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iallgather_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iallgatherv_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, const int *recvcounts, const int *displs,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iallreduce_inter(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoall_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoallv_inter(const void* sendbuf, const int *sendcounts, const int *sdispls,
MPI_Datatype sendtype, void* recvbuf, const int *recvcounts, const int *rdispls,
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ialltoallw_inter(const void *sbuf, const int *scounts, const int *sdisps, struct ompi_datatype_t * const *sdtypes,
void *rbuf, const int *rcounts, const int *rdisps, struct ompi_datatype_t * const *rdtypes,
struct ompi_communicator_t *comm, ompi_request_t **request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ibarrier_inter(struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ibcast_inter(void *buffer, int count, MPI_Datatype datatype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_igather_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_igatherv_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype,
void* recvbuf, const int *recvcounts, const int *displs, MPI_Datatype recvtype,
int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce_inter(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype,
MPI_Op op, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce_scatter_inter(const void* sendbuf, void* recvbuf, const int *recvcounts, MPI_Datatype datatype,
MPI_Op op, struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ireduce_scatter_block_inter(const void *sbuf, void *rbuf, int rcount, struct ompi_datatype_t *dtype,
struct ompi_op_t *op, struct ompi_communicator_t *comm,
ompi_request_t **request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iscatter_inter(const void* sendbuf, int sendcount, MPI_Datatype sendtype,
void* recvbuf, int recvcount, MPI_Datatype recvtype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_iscatterv_inter(const void* sendbuf, const int *sendcounts, const int *displs, MPI_Datatype sendtype,
void* recvbuf, int recvcount, MPI_Datatype recvtype, int root,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ineighbor_allgather(const void *sbuf, int scount, MPI_Datatype stype, void *rbuf,
int rcount, MPI_Datatype rtype, struct ompi_communicator_t *comm,
ompi_request_t ** request, struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ineighbor_allgatherv(const void *sbuf, int scount, MPI_Datatype stype, void *rbuf,
const int *rcounts, const int *displs, MPI_Datatype rtype,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ineighbor_alltoall(const void *sbuf, int scount, MPI_Datatype stype, void *rbuf,
int rcount, MPI_Datatype rtype, struct ompi_communicator_t *comm,
ompi_request_t ** request, struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ineighbor_alltoallv(const void *sbuf, const int *scounts, const int *sdispls, MPI_Datatype stype,
void *rbuf, const int *rcounts, const int *rdispls, MPI_Datatype rtype,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
int ompi_coll_libnbc_ineighbor_alltoallw(const void *sbuf, const int *scounts, const MPI_Aint *sdisps, struct ompi_datatype_t * const *stypes,
void *rbuf, const int *rcounts, const MPI_Aint *rdisps, struct ompi_datatype_t * const *rtypes,
struct ompi_communicator_t *comm, ompi_request_t ** request,
struct mca_coll_base_module_2_1_0_t *module);
END_C_DECLS
#endif /* MCA_COLL_LIBNBC_EXPORT_H */
|
