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ompi/info: introduce support for the mpi_memory_alloc_kinds info object #13054

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ompi/info: introduce support for the mpi_memory_alloc_kinds info object #13054

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5f53427
info/info_memkind: add code to handle memkind info
edgargabriel Jan 22, 2025
6377d8b
accelerator: add interface to retrieve memkind
edgargabriel Jan 25, 2025
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12 changes: 10 additions & 2 deletions ompi/communicator/comm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
* Copyright (c) 2021 Nanook Consulting. All rights reserved.
* Copyright (c) 2018-2024 Triad National Security, LLC. All rights
* reserved.
* Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
* Copyright (c) 2023-2024 Advanced Micro Devices, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
Expand Down Expand Up @@ -56,6 +56,7 @@
#include "ompi/communicator/communicator.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#include "ompi/info/info_memkind.h"

#include "ompi/runtime/params.h"

Expand Down Expand Up @@ -444,6 +445,7 @@ int ompi_comm_create_w_info (ompi_communicator_t *comm, ompi_group_t *group, opa

/* Copy info if there is one. */
newcomp->super.s_info = OBJ_NEW(opal_info_t);
ompi_info_memkind_copy_or_set (&comm->super, &newcomp->super, info);
if (info) {
opal_info_dup(info, &(newcomp->super.s_info));
}
Expand Down Expand Up @@ -699,8 +701,9 @@ int ompi_comm_split_with_info( ompi_communicator_t* comm, int color, int key,
ompi_comm_print_cid (newcomp), ompi_comm_print_cid (comm));

/* Copy info if there is one */
newcomp->super.s_info = OBJ_NEW(opal_info_t);
ompi_info_memkind_copy_or_set (&comm->super, &newcomp->super, info);
if (info) {
newcomp->super.s_info = OBJ_NEW(opal_info_t);
opal_info_dup(info, &(newcomp->super.s_info));
}

Expand Down Expand Up @@ -991,6 +994,7 @@ static int ompi_comm_split_type_core(ompi_communicator_t *comm,

ompi_comm_assert_subscribe (newcomp, OMPI_COMM_ASSERT_LAZY_BARRIER);
ompi_comm_assert_subscribe (newcomp, OMPI_COMM_ASSERT_ACTIVE_POLL);
ompi_info_memkind_copy_or_set (&comm->super, &newcomp->super, info);
if (info) {
opal_infosubscribe_change_info(&newcomp->super, info);
}
Expand Down Expand Up @@ -1344,6 +1348,7 @@ int ompi_comm_dup_with_info ( ompi_communicator_t * comm, opal_info_t *info, omp
// Copy info if there is one.
ompi_comm_assert_subscribe (newcomp, OMPI_COMM_ASSERT_LAZY_BARRIER);
ompi_comm_assert_subscribe (newcomp, OMPI_COMM_ASSERT_ACTIVE_POLL);
ompi_info_memkind_copy_or_set (&comm->super, &newcomp->super, info);
if (info) {
opal_infosubscribe_change_info(&newcomp->super, info);
}
Expand Down Expand Up @@ -1434,6 +1439,7 @@ static int ompi_comm_idup_internal (ompi_communicator_t *comm, ompi_group_t *gro
{
ompi_communicator_t *newcomp = context->newcomp;
newcomp->super.s_info = OBJ_NEW(opal_info_t);
ompi_info_memkind_copy_or_set (&comm->super, &newcomp->super, info);
if (info) {
opal_info_dup(info, &(newcomp->super.s_info));
}
Expand Down Expand Up @@ -1588,6 +1594,7 @@ int ompi_comm_create_from_group (ompi_group_t *group, const char *tag, opal_info
if (NULL == newcomp->super.s_info) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
ompi_info_memkind_copy_or_set (&group->grp_instance->super, &newcomp->super, info);

/* activate communicator and init coll-module. use the group allreduce implementation as
* no collective module has yet been selected. the tag does not matter as any tag will
Expand Down Expand Up @@ -1885,6 +1892,7 @@ int ompi_intercomm_create_from_groups (ompi_group_t *local_group, int local_lead

// Copy info if there is one.
newcomp->super.s_info = OBJ_NEW(opal_info_t);
ompi_info_memkind_copy_or_set (&local_comm->super, &newcomp->super, info);
if (info) {
opal_info_dup(info, &(newcomp->super.s_info));
}
Expand Down
13 changes: 12 additions & 1 deletion ompi/communicator/comm_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* Copyright (c) 2018-2024 Triad National Security, LLC. All rights
* reserved.
* Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
* Copyright (c) 2023-2024 Advanced Micro Devices, Inc. All rights reserved.
* Copyright (c) 2023 NVIDIA Corporation. All rights reserved.
* $COPYRIGHT$
*
Expand Down Expand Up @@ -53,6 +53,7 @@
#include "ompi/dpm/dpm.h"
#include "ompi/memchecker.h"
#include "ompi/instance/instance.h"
#include "ompi/info/info_memkind.h"

/*
** Table for Fortran <-> C communicator handle conversion
Expand Down Expand Up @@ -266,6 +267,7 @@ int ompi_comm_init_mpi3 (void)
free(str);
}
}

/* Setup MPI_COMM_SELF */
OBJ_CONSTRUCT(&ompi_mpi_comm_self, ompi_communicator_t);
assert(ompi_mpi_comm_self.comm.c_f_to_c_index == 1);
Expand Down Expand Up @@ -300,6 +302,15 @@ int ompi_comm_init_mpi3 (void)
MPI_COMM_SELF, the keyhash will automatically be created. */
ompi_mpi_comm_self.comm.c_keyhash = NULL;

char *memkind_requested = getenv ("OMPI_MCA_mpi_memory_alloc_kinds");
if (NULL != memkind_requested) {
char *memkind_provided;

ompi_info_memkind_process (memkind_requested, &memkind_provided);
opal_infosubscribe_subscribe (&ompi_mpi_comm_world.comm.super, "mpi_memory_alloc_kinds", memkind_provided, ompi_info_memkind_cb);
opal_infosubscribe_subscribe (&ompi_mpi_comm_self.comm.super, "mpi_memory_alloc_kinds", memkind_provided, ompi_info_memkind_cb);
}

/*
* finally here we set the predefined attribute keyvals
*/
Expand Down
4 changes: 3 additions & 1 deletion ompi/file/file.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* Copyright (c) 2024 Triad National Security, LLC. All rights
* reserved.
* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
Expand All @@ -34,7 +35,7 @@
#include "ompi/runtime/params.h"
#include "ompi/mca/io/base/base.h"
#include "ompi/info/info.h"

#include "ompi/info/info_memkind.h"

opal_mutex_t ompi_mpi_file_bootstrap_mutex = OPAL_MUTEX_STATIC_INIT;

Expand Down Expand Up @@ -120,6 +121,7 @@ int ompi_file_open(struct ompi_communicator_t *comm, const char *filename,

/* Copy the info for the info layer */
file->super.s_info = OBJ_NEW(opal_info_t);
ompi_info_memkind_copy_or_set (&comm->super, &file->super, info);
if (info) {
opal_info_dup(info, &(file->super.s_info));
}
Expand Down
6 changes: 4 additions & 2 deletions ompi/info/Makefile.am
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,9 @@
# This makefile.am does not stand on its own - it is included from ompi/Makefile.am

headers += \
info/info.h
info/info.h \
info/info_memkind.h

lib@OMPI_LIBMPI_NAME@_la_SOURCES += \
info/info.c
info/info.c \
info/info_memkind.c
4 changes: 4 additions & 0 deletions ompi/info/info.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
#include "opal/util/info.h"

#include "ompi/info/info.h"
#include "ompi/info/info_memkind.h"
#include "ompi/runtime/mpiruntime.h"
#include "ompi/runtime/params.h"
#include "ompi/runtime/ompi_rte.h"
Expand Down Expand Up @@ -351,6 +352,9 @@ int ompi_mpiinfo_finalize(void)
}
}

/* Release the array of available memkind objects */
ompi_info_memkind_free_available();

/* All done -- destroy the table */

OBJ_DESTRUCT(&ompi_info_f_to_c_table);
Expand Down
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