XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_coll, smpi, "Logging specific to SMPI (coll)");
s_mpi_coll_description_t mpi_coll_gather_description[] = {
- {"default", "gather default collective", (void*)smpi_mpi_gather},
- COLL_GATHERS(COLL_DESCRIPTION, COLL_COMMA), {NULL, NULL, NULL} /* this array must be NULL terminated */
+ {"default", "gather default collective", reinterpret_cast<void*>(&smpi_mpi_gather)},
+ COLL_GATHERS(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
};
+s_mpi_coll_description_t mpi_coll_allgather_description[] = { {"default", "allgather default collective",
+ reinterpret_cast<void*>(&smpi_mpi_allgather)}, COLL_ALLGATHERS(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr}};
-s_mpi_coll_description_t mpi_coll_allgather_description[] = {
- {"default",
- "allgather default collective",
- (void*)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_allgatherv_description[] = {{"default", "allgatherv default collective",
+ reinterpret_cast<void*>(&smpi_mpi_allgatherv)}, COLL_ALLGATHERVS(COLL_DESCRIPTION, COLL_COMMA),
+ {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
};
-s_mpi_coll_description_t mpi_coll_allgatherv_description[] = {
- {"default",
- "allgatherv default collective",
- (void*)smpi_mpi_allgatherv},
-COLL_ALLGATHERVS(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",
+ reinterpret_cast<void*>(&smpi_mpi_allreduce)}, COLL_ALLREDUCES(COLL_DESCRIPTION, COLL_COMMA),
+ {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
};
-s_mpi_coll_description_t mpi_coll_allreduce_description[] = {
- {"default",
- "allreduce default collective",
- (void*)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_reduce_scatter_description[] = {{"default", "reduce_scatter default collective",
+ reinterpret_cast<void*>(&smpi_mpi_reduce_scatter)}, COLL_REDUCE_SCATTERS(COLL_DESCRIPTION, COLL_COMMA),
+ {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
};
-s_mpi_coll_description_t mpi_coll_reduce_scatter_description[] = {
- {"default",
- "reduce_scatter default collective",
- (void*)smpi_mpi_reduce_scatter},
-COLL_REDUCE_SCATTERS(COLL_DESCRIPTION, COLL_COMMA),
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
+s_mpi_coll_description_t mpi_coll_scatter_description[] = { {"default", "scatter default collective",
+ reinterpret_cast<void*>(&smpi_mpi_scatter)}, COLL_SCATTERS(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr}};
-s_mpi_coll_description_t mpi_coll_scatter_description[] = {
- {"default",
- "scatter default collective",
- (void*)smpi_mpi_scatter},
-COLL_SCATTERS(COLL_DESCRIPTION, COLL_COMMA),
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
+s_mpi_coll_description_t mpi_coll_barrier_description[] = { {"default", "barrier default collective",
+ reinterpret_cast<void*>(&smpi_mpi_barrier)}, COLL_BARRIERS(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr}};
-s_mpi_coll_description_t mpi_coll_barrier_description[] = {
- {"default",
- "barrier default collective",
- (void*)smpi_mpi_barrier},
-COLL_BARRIERS(COLL_DESCRIPTION, COLL_COMMA),
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
-s_mpi_coll_description_t mpi_coll_alltoall_description[] = {
- {"default",
- "Ompi alltoall default collective",
- (void*)smpi_coll_tuned_alltoall_ompi2},
-COLL_ALLTOALLS(COLL_DESCRIPTION, COLL_COMMA),
- {"bruck",
- "Alltoall Bruck (SG) collective",
- (void*)smpi_coll_tuned_alltoall_bruck},
- {"basic_linear",
- "Alltoall basic linear (SG) collective",
- (void*)smpi_coll_tuned_alltoall_basic_linear},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
+s_mpi_coll_description_t mpi_coll_alltoall_description[] = { {"default", "Ompi alltoall default collective",
+ reinterpret_cast<void*>(&smpi_coll_tuned_alltoall_ompi2)}, COLL_ALLTOALLS(COLL_DESCRIPTION, COLL_COMMA),
+ {"bruck", "Alltoall Bruck (SG) collective",
+ reinterpret_cast<void*>(&smpi_coll_tuned_alltoall_bruck)},
+ {"basic_linear", "Alltoall basic linear (SG) collective",
+ reinterpret_cast<void*>(&smpi_coll_tuned_alltoall_basic_linear)}, {nullptr, nullptr, nullptr}};
-s_mpi_coll_description_t mpi_coll_alltoallv_description[] = {
- {"default",
- "Ompi alltoallv default collective",
- (void*)smpi_coll_basic_alltoallv},
-COLL_ALLTOALLVS(COLL_DESCRIPTION, COLL_COMMA),
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+s_mpi_coll_description_t mpi_coll_alltoallv_description[] = { {"default", "Ompi alltoallv default collective",
+ reinterpret_cast<void*>(&smpi_coll_basic_alltoallv)}, COLL_ALLTOALLVS(COLL_DESCRIPTION, COLL_COMMA),
+ {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */
};
-s_mpi_coll_description_t mpi_coll_bcast_description[] = {
- {"default",
- "bcast default collective ",
- (void*)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_bcast_description[] = { {"default", "bcast default collective ",
+ reinterpret_cast<void*>(&smpi_mpi_bcast)}, COLL_BCASTS(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr}};
-s_mpi_coll_description_t mpi_coll_reduce_description[] = {
- {"default",
- "reduce default collective",
- (void*)smpi_mpi_reduce},
-COLL_REDUCES(COLL_DESCRIPTION, COLL_COMMA),
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
+s_mpi_coll_description_t mpi_coll_reduce_description[] = { {"default", "reduce default collective",
+ reinterpret_cast<void*>(&smpi_mpi_reduce)}, COLL_REDUCES(COLL_DESCRIPTION, COLL_COMMA), {nullptr, nullptr, nullptr} };
/** 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("Long description of the %s models accepted by this simulator:\n", category);
+ for (int 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,
- char *name, const char *desc)
+int find_coll_description(s_mpi_coll_description_t * table, char *name, const char *desc)
{
- char *name_list = NULL;
+ char *name_list = nullptr;
int selector_on=0;
- if(name==NULL){//no argument provided, use active selector's algorithm
- name=(char*)xbt_cfg_get_string("smpi/coll_selector");
+ if (name==nullptr || name[0] == '\0') {
+ //no argument provided, use active selector's algorithm
+ name=static_cast<char*>(xbt_cfg_get_string("smpi/coll-selector"));
selector_on=1;
}
for (int i = 0; table[i].name; i++)
if(selector_on){
// collective seems not handled by the active selector, try with default one
- name=(char*)"default";
for (int i = 0; table[i].name; i++)
- if (!strcmp(name, table[i].name)) {
+ if (!strcmp("default", table[i].name)) {
return i;
}
}
xbt_die("No collective is valid for '%s'! This is a bug.",name);
name_list = xbt_strdup(table[0].name);
for (int i = 1; table[i].name; i++) {
- name_list = static_cast<char*>(xbt_realloc(name_list,
- strlen(name_list) + strlen(table[i].name) + 3));
- strcat(name_list, ", ");
- strcat(name_list, table[i].name);
+ name_list = static_cast<char*>(xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3));
+ strncat(name_list, ", ",2);
+ strncat(name_list, table[i].name, strlen(table[i].name));
}
xbt_die("Collective '%s' is invalid! Valid collectives are: %s.", name, name_list);
return -1;
int (*mpi_coll_reduce_scatter_fun)(void *sbuf, void *rbuf, int *rcounts,MPI_Datatype dtype,MPI_Op op,MPI_Comm comm);
int (*mpi_coll_scatter_fun)(void *sendbuf, int sendcount, MPI_Datatype sendtype,void *recvbuf, int recvcount, MPI_Datatype recvtype,int root, MPI_Comm comm);
int (*mpi_coll_barrier_fun)(MPI_Comm comm);
+void (*smpi_coll_cleanup_callback)();
-int smpi_coll_tuned_alltoall_ompi2(void *sendbuf, int sendcount,
- MPI_Datatype sendtype, void *recvbuf,
- int recvcount, MPI_Datatype recvtype,
- MPI_Comm comm)
+int smpi_coll_tuned_alltoall_ompi2(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;
+ int size = smpi_comm_size(comm);
+ int sendsize = smpi_datatype_size(sendtype) * sendcount;
if (sendsize < 200 && size > 12) {
- return
- smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, sendtype,
- recvbuf, recvcount, recvtype,
- comm);
+ 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);
+ return smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
} else {
- return
- smpi_coll_tuned_alltoall_ring(sendbuf, sendcount, sendtype,
- recvbuf, recvcount, recvtype,
- comm);
+ return smpi_coll_tuned_alltoall_ring(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
}
}
* Alltoall Bruck
*
* Openmpi calls this routine when the message size sent to each rank < 2000 bytes and size < 12
- * FIXME: uh, check smpi_pmpi again, but this routine is called for > 12, not
- * less...
+ * FIXME: uh, check smpi_pmpi again, but this routine is called for > 12, not less...
**/
-int smpi_coll_tuned_alltoall_bruck(void *sendbuf, int sendcount,
- MPI_Datatype sendtype, void *recvbuf,
- int recvcount, MPI_Datatype recvtype,
- MPI_Comm comm)
+int smpi_coll_tuned_alltoall_bruck(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
{
int system_tag = 777;
- int i, rank, size, err, count;
+ int i;
+ int count;
MPI_Aint lb;
MPI_Aint sendext = 0;
MPI_Aint recvext = 0;
MPI_Request *requests;
// FIXME: check implementation
- rank = smpi_comm_rank(comm);
- size = smpi_comm_size(comm);
+ int rank = smpi_comm_rank(comm);
+ int size = smpi_comm_size(comm);
XBT_DEBUG("<%d> algorithm alltoall_bruck() called.", rank);
smpi_datatype_extent(sendtype, &lb, &sendext);
smpi_datatype_extent(recvtype, &lb, &recvext);
/* Local copy from self */
- err =
- smpi_datatype_copy((char *)sendbuf + rank * sendcount * sendext,
- sendcount, sendtype,
- (char *)recvbuf + rank * recvcount * recvext,
- recvcount, recvtype);
+ int err = smpi_datatype_copy(static_cast<char *>(sendbuf) + rank * sendcount * sendext, sendcount, sendtype,
+ static_cast<char *>(recvbuf) + rank * recvcount * recvext, recvcount, recvtype);
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
requests = xbt_new(MPI_Request, 2 * (size - 1));
count = 0;
/* Create all receives that will be posted first */
for (i = 0; i < size; ++i) {
- if (i == rank) {
- XBT_DEBUG("<%d> skip request creation [src = %d, recvcount = %d]",
- rank, i, recvcount);
- continue;
- }
- requests[count] =
- smpi_irecv_init((char *)recvbuf + i * recvcount * recvext, recvcount,
- recvtype, i, system_tag, comm);
+ if (i != rank) {
+ requests[count] = smpi_irecv_init(static_cast<char *>(recvbuf) + i * recvcount * recvext, recvcount,
+ recvtype, i, system_tag, comm);
count++;
+ }else{
+ XBT_DEBUG("<%d> skip request creation [src = %d, recvcount = %d]", rank, i, recvcount);
+ }
}
/* Now create all sends */
for (i = 0; i < size; ++i) {
- if (i == rank) {
- XBT_DEBUG("<%d> skip request creation [dst = %d, sendcount = %d]",
- rank, i, sendcount);
- continue;
- }
- requests[count] =
- smpi_isend_init((char *)sendbuf + i * sendcount * sendext, sendcount,
- sendtype, i, system_tag, comm);
+ if (i != rank) {
+ requests[count] = smpi_isend_init(static_cast<char *>(sendbuf) + i * sendcount * sendext, sendcount,
+ sendtype, i, system_tag, comm);
count++;
+ }else{
+ XBT_DEBUG("<%d> skip request creation [dst = %d, sendcount = %d]", rank, i, sendcount);
+ }
}
/* Wait for them all. */
smpi_mpi_startall(count, requests);
XBT_DEBUG("<%d> wait for %d requests", rank, count);
smpi_mpi_waitall(count, requests, MPI_STATUS_IGNORE);
for(i = 0; i < count; i++) {
- if(requests[i]!=MPI_REQUEST_NULL) smpi_mpi_request_free(&requests[i]);
+ if(requests[i]!=MPI_REQUEST_NULL)
+ smpi_mpi_request_free(&requests[i]);
}
xbt_free(requests);
}
/**
* Alltoall basic_linear (STARMPI:alltoall-simple)
**/
-int smpi_coll_tuned_alltoall_basic_linear(void *sendbuf, int sendcount,
- MPI_Datatype sendtype,
- void *recvbuf, int recvcount,
- MPI_Datatype recvtype,
- MPI_Comm comm)
+int smpi_coll_tuned_alltoall_basic_linear(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
{
int system_tag = 888;
- int i, rank, size, err, count;
+ int i;
+ int count;
MPI_Aint lb = 0, sendext = 0, recvext = 0;
MPI_Request *requests;
/* Initialize. */
- rank = smpi_comm_rank(comm);
- size = smpi_comm_size(comm);
+ int rank = smpi_comm_rank(comm);
+ int size = smpi_comm_size(comm);
XBT_DEBUG("<%d> algorithm alltoall_basic_linear() called.", rank);
smpi_datatype_extent(sendtype, &lb, &sendext);
smpi_datatype_extent(recvtype, &lb, &recvext);
/* simple optimization */
- err = smpi_datatype_copy((char *)sendbuf + rank * sendcount * sendext,
- sendcount, sendtype,
- (char *)recvbuf + rank * recvcount * recvext,
- recvcount, recvtype);
+ int err = smpi_datatype_copy(static_cast<char *>(sendbuf) + rank * sendcount * sendext, sendcount, sendtype,
+ static_cast<char *>(recvbuf) + rank * recvcount * recvext, recvcount, recvtype);
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
requests = xbt_new(MPI_Request, 2 * (size - 1));
/* Post all receives first -- a simple optimization */
count = 0;
for (i = (rank + 1) % size; i != rank; i = (i + 1) % size) {
- requests[count] =
- smpi_irecv_init((char *)recvbuf + i * recvcount * recvext, recvcount,
- recvtype, i, system_tag, comm);
+ requests[count] = smpi_irecv_init(static_cast<char *>(recvbuf) + i * recvcount * recvext, recvcount,
+ recvtype, i, system_tag, comm);
count++;
}
/* Now post all sends in reverse order
* TODO: check the previous assertion
*/
for (i = (rank + size - 1) % size; i != rank; i = (i + size - 1) % size) {
- requests[count] =
- smpi_isend_init((char *)sendbuf + i * sendcount * sendext, sendcount,
- sendtype, i, system_tag, comm);
+ requests[count] = smpi_isend_init(static_cast<char *>(sendbuf) + i * sendcount * sendext, sendcount,
+ sendtype, i, system_tag, comm);
count++;
}
/* Wait for them all. */
XBT_DEBUG("<%d> wait for %d requests", rank, count);
smpi_mpi_waitall(count, requests, MPI_STATUS_IGNORE);
for(i = 0; i < count; i++) {
- if(requests[i]!=MPI_REQUEST_NULL) smpi_mpi_request_free(&requests[i]);
+ if(requests[i]!=MPI_REQUEST_NULL)
+ smpi_mpi_request_free(&requests[i]);
}
xbt_free(requests);
}
return err;
}
-int smpi_coll_basic_alltoallv(void *sendbuf, int *sendcounts,
- int *senddisps, MPI_Datatype sendtype,
- void *recvbuf, int *recvcounts,
- int *recvdisps, MPI_Datatype recvtype,
- MPI_Comm comm)
+int smpi_coll_basic_alltoallv(void *sendbuf, int *sendcounts, int *senddisps, MPI_Datatype sendtype,
+ void *recvbuf, int *recvcounts, int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm)
{
int system_tag = 889;
- int i, rank, size, err, count;
- MPI_Aint lb = 0, sendext = 0, recvext = 0;
+ int i;
+ int count;
+ MPI_Aint lb = 0;
+ MPI_Aint sendext = 0;
+ MPI_Aint recvext = 0;
MPI_Request *requests;
/* Initialize. */
- rank = smpi_comm_rank(comm);
- size = smpi_comm_size(comm);
+ int rank = smpi_comm_rank(comm);
+ int size = smpi_comm_size(comm);
XBT_DEBUG("<%d> algorithm basic_alltoallv() called.", rank);
smpi_datatype_extent(sendtype, &lb, &sendext);
smpi_datatype_extent(recvtype, &lb, &recvext);
/* Local copy from self */
- err =
- smpi_datatype_copy((char *)sendbuf + senddisps[rank] * sendext,
- sendcounts[rank], sendtype,
- (char *)recvbuf + recvdisps[rank] * recvext,
- recvcounts[rank], recvtype);
+ int err = smpi_datatype_copy(static_cast<char *>(sendbuf) + senddisps[rank] * sendext, sendcounts[rank], sendtype,
+ static_cast<char *>(recvbuf) + recvdisps[rank] * recvext, recvcounts[rank], recvtype);
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
requests = xbt_new(MPI_Request, 2 * (size - 1));
count = 0;
/* Create all receives that will be posted first */
for (i = 0; i < size; ++i) {
- if (i == rank || recvcounts[i] == 0) {
- XBT_DEBUG
- ("<%d> skip request creation [src = %d, recvcounts[src] = %d]",
- rank, i, recvcounts[i]);
- continue;
+ if (i != rank && recvcounts[i] != 0) {
+ requests[count] = smpi_irecv_init(static_cast<char *>(recvbuf) + recvdisps[i] * recvext,
+ recvcounts[i], recvtype, i, system_tag, comm);
+ count++;
+ }else{
+ XBT_DEBUG("<%d> skip request creation [src = %d, recvcounts[src] = %d]", rank, i, recvcounts[i]);
}
- requests[count] =
- smpi_irecv_init((char *)recvbuf + recvdisps[i] * recvext,
- recvcounts[i], recvtype, i, system_tag, comm);
- count++;
}
/* Now create all sends */
for (i = 0; i < size; ++i) {
- if (i == rank || sendcounts[i] == 0) {
- XBT_DEBUG
- ("<%d> skip request creation [dst = %d, sendcounts[dst] = %d]",
- rank, i, sendcounts[i]);
- continue;
- }
- requests[count] =
- smpi_isend_init((char *)sendbuf + senddisps[i] * sendext,
- sendcounts[i], sendtype, i, system_tag, comm);
+ if (i != rank && sendcounts[i] != 0) {
+ requests[count] = smpi_isend_init(static_cast<char *>(sendbuf) + senddisps[i] * sendext,
+ sendcounts[i], sendtype, i, system_tag, comm);
count++;
+ }else{
+ XBT_DEBUG("<%d> skip request creation [dst = %d, sendcounts[dst] = %d]", rank, i, sendcounts[i]);
+ }
}
/* Wait for them all. */
smpi_mpi_startall(count, requests);
XBT_DEBUG("<%d> wait for %d requests", rank, count);
smpi_mpi_waitall(count, requests, MPI_STATUS_IGNORE);
for(i = 0; i < count; i++) {
- if(requests[i]!=MPI_REQUEST_NULL) smpi_mpi_request_free(&requests[i]);
+ if(requests[i]!=MPI_REQUEST_NULL)
+ smpi_mpi_request_free(&requests[i]);
}
xbt_free(requests);
}