X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c5ad8ca1a68bbaa9152471c8d0eeb99d762f0d86..c1c1e55a043d3cb03aa731754b30c18b3151da91:/src/smpi/smpi_coll.c diff --git a/src/smpi/smpi_coll.c b/src/smpi/smpi_coll.c index 1c05340fc9..13ff3b3e30 100644 --- a/src/smpi/smpi_coll.c +++ b/src/smpi/smpi_coll.c @@ -11,10 +11,102 @@ #include #include "private.h" +#include "colls/colls.h" + +s_mpi_coll_description_t mpi_coll_allgather_description[] = { + {"default", + "allgather default collective", + smpi_mpi_allgather}, +COLL_ALLGATHERS(COLL_DESCRIPTION, COLL_COMMA), + {NULL, NULL, NULL} /* this array must be NULL terminated */ +}; + +s_mpi_coll_description_t mpi_coll_allreduce_description[] = { + {"default", + "allreduce default collective", + smpi_mpi_allreduce}, +COLL_ALLREDUCES(COLL_DESCRIPTION, COLL_COMMA), + {NULL, NULL, NULL} /* this array must be NULL terminated */ +}; + +s_mpi_coll_description_t mpi_coll_alltoall_description[] = { + {"ompi", + "Ompi alltoall default collective", + smpi_coll_tuned_alltoall_ompi}, +COLL_ALLTOALLS(COLL_DESCRIPTION, COLL_COMMA), + {"bruck", + "Alltoall Bruck (SG) collective", + smpi_coll_tuned_alltoall_bruck}, + {"basic_linear", + "Alltoall basic linear (SG) collective", + smpi_coll_tuned_alltoall_basic_linear}, + {"pairwise", + "Alltoall pairwise (SG) collective", + smpi_coll_tuned_alltoall_pairwise}, + {NULL, NULL, NULL} /* this array must be NULL terminated */ +}; + +s_mpi_coll_description_t mpi_coll_bcast_description[] = { + {"default", + "allgather default collective", + smpi_mpi_bcast}, +COLL_BCASTS(COLL_DESCRIPTION, COLL_COMMA), + {NULL, NULL, NULL} /* this array must be NULL terminated */ +}; + +s_mpi_coll_description_t mpi_coll_reduce_description[] = { + {"default", + "allgather default collective", + smpi_mpi_reduce}, +COLL_REDUCES(COLL_DESCRIPTION, COLL_COMMA), + {NULL, NULL, NULL} /* this array must be NULL terminated */ +}; + + + +/** Displays the long description of all registered models, and quit */ +void coll_help(const char *category, s_mpi_coll_description_t * table) +{ + int i; + printf("Long description of the %s models accepted by this simulator:\n", + category); + for (i = 0; table[i].name; i++) + printf(" %s: %s\n", table[i].name, table[i].description); +} + +int find_coll_description(s_mpi_coll_description_t * table, + const char *name) +{ + int i; + char *name_list = NULL; + + for (i = 0; table[i].name; i++) + if (!strcmp(name, table[i].name)) { + return i; + } + name_list = strdup(table[0].name); + for (i = 1; table[i].name; i++) { + name_list = + xbt_realloc(name_list, + strlen(name_list) + strlen(table[i].name) + 3); + strcat(name_list, ", "); + strcat(name_list, table[i].name); + } + xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list); + return -1; +} + + XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_coll, smpi, "Logging specific to SMPI (coll)"); +int (*mpi_coll_allgather_fun)(void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm); +int (*mpi_coll_allreduce_fun)(void *sbuf, void *rbuf, int rcount, MPI_Datatype dtype, MPI_Op op, MPI_Comm comm); +int (*mpi_coll_alltoall_fun)(void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm); +int (*mpi_coll_bcast_fun)(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm com); +int (*mpi_coll_reduce_fun)(void *buf, void *rbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm); + struct s_proc_tree { int PROCTREE_A; int numChildren; @@ -118,9 +210,6 @@ static void tree_bcast(void *buf, int count, MPI_Datatype datatype, } smpi_mpi_startall(tree->numChildren, requests); smpi_mpi_waitall(tree->numChildren, requests, MPI_STATUS_IGNORE); - for (i = 0; i < tree->numChildren; i++){ - xbt_free (requests[i]); - } xbt_free(requests); } @@ -159,9 +248,6 @@ static void tree_antibcast(void *buf, int count, MPI_Datatype datatype, } smpi_mpi_startall(tree->numChildren, requests); smpi_mpi_waitall(tree->numChildren, requests, MPI_STATUS_IGNORE); - for (i = 0; i < tree->numChildren; i++){ - xbt_free (requests[i]); - } xbt_free(requests); } @@ -198,6 +284,32 @@ void nary_tree_barrier(MPI_Comm comm, int arity) free_tree(tree); } +int smpi_coll_tuned_alltoall_ompi(void *sendbuf, int sendcount, + MPI_Datatype sendtype, void *recvbuf, + int recvcount, MPI_Datatype recvtype, + MPI_Comm comm) +{ + int size, sendsize; + size = smpi_comm_size(comm); + sendsize = smpi_datatype_size(sendtype) * sendcount; + if (sendsize < 200 && size > 12) { + return + smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, sendtype, + recvbuf, recvcount, recvtype, + comm); + } else if (sendsize < 3000) { + return + smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount, + sendtype, recvbuf, + recvcount, recvtype, comm); + } else { + return + smpi_coll_tuned_alltoall_pairwise(sendbuf, sendcount, sendtype, + recvbuf, recvcount, recvtype, + comm); + } +} + /** * Alltoall Bruck * @@ -267,7 +379,7 @@ int smpi_coll_tuned_alltoall_bruck(void *sendbuf, int sendcount, } /** - * Alltoall basic_linear + * Alltoall basic_linear (STARMPI:alltoall-simple) **/ int smpi_coll_tuned_alltoall_basic_linear(void *sendbuf, int sendcount, MPI_Datatype sendtype,