/* selector for collective algorithms based on openmpi's default coll_tuned_decision_fixed selector */
-/* Copyright (c) 2009-2010, 2013-2017. The SimGrid Team.
+/* Copyright (c) 2009-2019. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#define INTEL_MAX_NB_NUMPROCS 12
#define INTEL_MAX_NB_PPN 5 /* 1 2 4 8 16 ppn */
-typedef struct {
+struct intel_tuning_table_size_element {
unsigned int max_size;
int algo;
-} intel_tuning_table_size_element;
+};
-typedef struct {
+struct intel_tuning_table_numproc_element {
int max_num_proc;
int num_elems;
intel_tuning_table_size_element elems[INTEL_MAX_NB_THRESHOLDS];
-} intel_tuning_table_numproc_element;
+};
-typedef struct {
+struct intel_tuning_table_element {
int ppn;
intel_tuning_table_numproc_element elems[INTEL_MAX_NB_NUMPROCS];
-} intel_tuning_table_element;
+};
/*
I_MPI_ADJUST_ALLREDUCE
namespace simgrid{
namespace smpi{
-int (*intel_allreduce_functions_table[])(void *sendbuf,
+int (*intel_allreduce_functions_table[])(const void *sendbuf,
void *recvbuf,
int count,
MPI_Datatype datatype,
}
}
};
-int (*intel_alltoall_functions_table[])(void *sbuf, int scount,
+int (*intel_alltoall_functions_table[])(const void *sbuf, int scount,
MPI_Datatype sdtype,
void* rbuf, int rcount,
MPI_Datatype rdtype,
*/
-int (*intel_reduce_functions_table[])(void *sendbuf, void *recvbuf,
+int (*intel_reduce_functions_table[])(const void *sendbuf, void *recvbuf,
int count, MPI_Datatype datatype,
MPI_Op op, int root,
MPI_Comm comm) ={
5. Topology aware Reduce + Scatterv algorithm
*/
-static int intel_reduce_scatter_reduce_scatterv(void *sbuf, void *rbuf,
- int *rcounts,
+static int intel_reduce_scatter_reduce_scatterv(const void *sbuf, void *rbuf,
+ const int *rcounts,
MPI_Datatype dtype,
MPI_Op op,
MPI_Comm comm)
return MPI_SUCCESS;
}
-static int intel_reduce_scatter_recursivehalving(void *sbuf, void *rbuf,
- int *rcounts,
+static int intel_reduce_scatter_recursivehalving(const void *sbuf, void *rbuf,
+ const int *rcounts,
MPI_Datatype dtype,
MPI_Op op,
MPI_Comm comm)
return Coll_reduce_scatter_mvapich2::reduce_scatter(sbuf, rbuf, rcounts,dtype, op,comm);
}
-int (*intel_reduce_scatter_functions_table[])( void *sbuf, void *rbuf,
- int *rcounts,
+int (*intel_reduce_scatter_functions_table[])( const void *sbuf, void *rbuf,
+ const int *rcounts,
MPI_Datatype dtype,
MPI_Op op,
MPI_Comm comm
*/
-int (*intel_allgather_functions_table[])(void *sbuf, int scount,
+int (*intel_allgather_functions_table[])(const void *sbuf, int scount,
MPI_Datatype sdtype,
void* rbuf, int rcount,
MPI_Datatype rdtype,
*/
-int (*intel_allgatherv_functions_table[])(void *sbuf, int scount,
+int (*intel_allgatherv_functions_table[])(const void *sbuf, int scount,
MPI_Datatype sdtype,
- void* rbuf, int *rcounts,
- int *rdispls,
+ void* rbuf, const int *rcounts,
+ const int *rdispls,
MPI_Datatype rdtype,
MPI_Comm comm
) ={
*/
-int (*intel_gather_functions_table[])(void *sbuf, int scount,
+int (*intel_gather_functions_table[])(const void *sbuf, int scount,
MPI_Datatype sdtype,
void* rbuf, int rcount,
MPI_Datatype rdtype,
*/
-int (*intel_scatter_functions_table[])(void *sbuf, int scount,
+int (*intel_scatter_functions_table[])(const void *sbuf, int scount,
MPI_Datatype sdtype,
void* rbuf, int rcount,
MPI_Datatype rdtype,
*/
-int (*intel_alltoallv_functions_table[])(void *sbuf, int *scounts, int *sdisps,
+int (*intel_alltoallv_functions_table[])(const void *sbuf, const int *scounts, const int *sdisps,
MPI_Datatype sdtype,
- void *rbuf, int *rcounts, int *rdisps,
+ void *rbuf, const int *rcounts, const int *rdisps,
MPI_Datatype rdtype,
MPI_Comm comm
) ={
#define SIZECOMP_alltoallv\
size_t block_dsize = 1;
-#define IMPI_COLL_SELECT(cat, ret, args, args2)\
-ret Coll_ ## cat ## _impi:: cat (COLL_UNPAREN args)\
-{\
- int comm_size = comm->size();\
- int i =0;\
- SIZECOMP_ ## cat\
- i=0;\
- int j =0, k=0;\
- if(comm->get_leaders_comm()==MPI_COMM_NULL){\
- comm->init_smp();\
- }\
- int local_size=1;\
- if (comm->is_uniform()) {\
- local_size = comm->get_intra_comm()->size();\
- }\
- while(i < INTEL_MAX_NB_PPN &&\
- local_size!=intel_ ## cat ## _table[i].ppn)\
- i++;\
- if(i==INTEL_MAX_NB_PPN) i=0;\
- while(comm_size>intel_ ## cat ## _table[i].elems[j].max_num_proc\
- && j < INTEL_MAX_NB_THRESHOLDS)\
- j++;\
- while(block_dsize >=intel_ ## cat ## _table[i].elems[j].elems[k].max_size\
- && k< intel_ ## cat ## _table[i].elems[j].num_elems)\
- k++;\
- return (intel_ ## cat ## _functions_table[intel_ ## cat ## _table[i].elems[j].elems[k].algo-1]\
- args2);\
-}
-
+#define IMPI_COLL_SELECT(cat, ret, args, args2) \
+ ret _XBT_CONCAT3(Coll_, cat, _impi)::cat(COLL_UNPAREN args) \
+ { \
+ int comm_size = comm->size(); \
+ int i = 0; \
+ _XBT_CONCAT(SIZECOMP_, cat) \
+ i = 0; \
+ int j = 0, k = 0; \
+ if (comm->get_leaders_comm() == MPI_COMM_NULL) { \
+ comm->init_smp(); \
+ } \
+ int local_size = 1; \
+ if (comm->is_uniform()) { \
+ local_size = comm->get_intra_comm()->size(); \
+ } \
+ while (i < INTEL_MAX_NB_PPN && local_size != _XBT_CONCAT3(intel_, cat, _table)[i].ppn) \
+ i++; \
+ if (i == INTEL_MAX_NB_PPN) \
+ i = 0; \
+ while (comm_size > _XBT_CONCAT3(intel_, cat, _table)[i].elems[j].max_num_proc && j < INTEL_MAX_NB_THRESHOLDS) \
+ j++; \
+ while (block_dsize >= _XBT_CONCAT3(intel_, cat, _table)[i].elems[j].elems[k].max_size && \
+ k < _XBT_CONCAT3(intel_, cat, _table)[i].elems[j].num_elems) \
+ k++; \
+ return (_XBT_CONCAT3(intel_, cat, \
+ _functions_table)[_XBT_CONCAT3(intel_, cat, _table)[i].elems[j].elems[k].algo - 1] args2); \
+ }
COLL_APPLY(IMPI_COLL_SELECT, COLL_ALLGATHERV_SIG, (send_buff, send_count, send_type, recv_buff, recv_count, recv_disps, recv_type, comm));
COLL_APPLY(IMPI_COLL_SELECT, COLL_ALLREDUCE_SIG, (sbuf, rbuf, rcount, dtype, op, comm));
