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abouteillerabouteiller
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Merge pull request open-mpi#9925 from abouteiller/ulfm/ishrink
Ulfm/ishrink: add the MPI_COMM_ISHRINK operation
2 parents e4695b2 + 1110a12 commit 74414e0

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13 files changed

+662
-72
lines changed

13 files changed

+662
-72
lines changed

‎ompi/communicator/communicator.h‎

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@@ -633,6 +633,11 @@ OMPI_DECLSPEC int ompi_comm_revoke_internal(ompi_communicator_t* comm);
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*/
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OMPI_DECLSPEC int ompi_comm_shrink_internal(ompi_communicator_t* comm, ompi_communicator_t** newcomm);
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/*
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* Shrink the communicator
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*/
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OMPI_DECLSPEC int ompi_comm_ishrink_internal(ompi_communicator_t* comm, ompi_communicator_t** newcomm, ompi_request_t** request);
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/*
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* Check if the process is active
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*/

‎ompi/communicator/ft/comm_ft.c‎

Lines changed: 407 additions & 68 deletions
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‎ompi/mpiext/ftmpi/c/Makefile.am‎

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@@ -27,6 +27,7 @@ libmpiext_ftmpi_c_la_SOURCES = \
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comm_revoke.c \
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comm_is_revoked.c \
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comm_shrink.c \
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comm_ishrink.c \
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comm_failure_ack.c \
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comm_failure_get_acked.c \
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comm_get_failed.c \

‎ompi/mpiext/ftmpi/c/comm_ishrink.c‎

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@@ -0,0 +1,54 @@
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/*
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* Copyright (c) 2018-2022 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/request/request.h"
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#include "ompi/proc/proc.h"
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#include "ompi/op/op.h"
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#if OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPIX_Comm_ishrink = PMPIX_Comm_ishrink
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#endif
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#define MPIX_Comm_ishrink PMPIX_Comm_ishrink
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#endif
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#include "ompi/mpiext/ftmpi/c/mpiext_ftmpi_c.h"
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static const char FUNC_NAME[] = "MPIX_Comm_ishrink";
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int MPIX_Comm_ishrink(MPI_Comm comm, MPI_Comm* newcomm, MPI_Request *request)
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{
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int rc = MPI_SUCCESS;
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/* Argument checking */
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_comm_invalid(comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
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}
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if (NULL == newcomm) {
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rc = MPI_ERR_ARG;
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}
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if (NULL == request) {
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rc = MPI_ERR_REQUEST;
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}
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OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
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}
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rc = ompi_comm_ishrink_internal(comm, newcomm, request);
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OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
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}
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‎ompi/mpiext/ftmpi/c/mpiext_ftmpi_c.h‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
/*
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* Copyright (c) 2010-2012 Oak Ridge National Labs. All rights reserved.
3-
* Copyright (c) 2010-2020 The University of Tennessee and the University
3+
* Copyright (c) 2010-2023 The University of Tennessee and the University
44
* of Tennessee research Foundation. All rights
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* reserved.
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* $COPYRIGHT$
@@ -25,6 +25,7 @@
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OMPI_DECLSPEC int MPIX_Comm_revoke(MPI_Comm comm);
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OMPI_DECLSPEC int MPIX_Comm_is_revoked(MPI_Comm comm, int *flag);
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OMPI_DECLSPEC int MPIX_Comm_shrink(MPI_Comm comm, MPI_Comm *newcomm);
28+
OMPI_DECLSPEC int MPIX_Comm_ishrink(MPI_Comm comm, MPI_Comm *newcomm, MPI_Request *request);
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OMPI_DECLSPEC int MPIX_Comm_failure_ack(MPI_Comm comm);
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OMPI_DECLSPEC int MPIX_Comm_failure_get_acked(MPI_Comm comm, MPI_Group *failedgrp);
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OMPI_DECLSPEC int MPIX_Comm_get_failed(MPI_Comm comm, MPI_Group *failedgroup);
@@ -47,4 +48,5 @@ OMPI_DECLSPEC int OMPI_Comm_failure_inject(MPI_Comm comm, bool notify);
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/* Provide defines to facilitate the detection of the new API */
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#define OMPI_HAVE_MPIX_COMM_GET_FAILED 1
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#define OMPI_HAVE_MPIX_COMM_ACK_FAILED 1
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#define OMPI_HAVE_MPIX_COMM_ISHRINK 1
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‎ompi/mpiext/ftmpi/mpif-h/Makefile.am‎

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@@ -24,6 +24,7 @@ f77_sources = \
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comm_revoke_f.c \
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comm_is_revoked_f.c \
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comm_shrink_f.c \
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comm_ishrink_f.c \
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comm_get_failed_f.c \
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comm_ack_failed_f.c \
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comm_failure_ack_f.c \

‎ompi/mpiext/ftmpi/mpif-h/comm_ishrink_f.c‎

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@@ -0,0 +1,73 @@
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/*
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* Copyright (c) 2010-2022 The University of Tennessee and the University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "ompi/mpi/fortran/mpif-h/bindings.h"
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#include "ompi/mpi/fortran/base/constants.h"
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#include "ompi/mpiext/ftmpi/c/mpiext_ftmpi_c.h"
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#include "ompi/mpiext/ftmpi/mpif-h/prototypes_mpi.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/request/request.h"
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#include "ompi/mpi/fortran/base/fint_2_int.h"
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak PMPIX_COMM_ISHRINK = ompix_comm_ishrink_f
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#pragma weak pmpix_comm_ishrink = ompix_comm_ishrink_f
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#pragma weak pmpix_comm_ishrink_ = ompix_comm_ishrink_f
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#pragma weak pmpix_comm_ishrink__ = ompix_comm_ishrink_f
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#pragma weak PMPIX_Comm_ishrink_f = ompix_comm_ishrink_f
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#pragma weak PMPIX_Comm_ishrink_f08 = ompix_comm_ishrink_f
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#pragma weak MPIX_COMM_ISHRINK = ompix_comm_ishrink_f
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#pragma weak mpix_comm_ishrink = ompix_comm_ishrink_f
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#pragma weak mpix_comm_ishrink_ = ompix_comm_ishrink_f
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#pragma weak mpix_comm_ishrink__ = ompix_comm_ishrink_f
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#pragma weak MPIX_Comm_ishrink_f = ompix_comm_ishrink_f
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#pragma weak MPIX_Comm_ishrink_f08 = ompix_comm_ishrink_f
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#else /* No weak symbols */
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OMPI_GENERATE_F77_BINDINGS(PMPIX_COMM_ISHRINK,
40+
pmpix_comm_ishrink,
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pmpix_comm_ishrink_,
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pmpix_comm_ishrink__,
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ompix_comm_ishrink_f,
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(MPI_Fint *comm, MPI_Fint *newcomm, MPI_Fint *request, MPI_Fint *ierr),
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(comm, newcomm, request, ierr))
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OMPI_GENERATE_F77_BINDINGS(MPIX_COMM_ISHRINK,
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mpix_comm_ishrink,
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mpix_comm_ishrink_,
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mpix_comm_ishrink__,
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ompix_comm_ishrink_f,
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(MPI_Fint *comm, MPI_Fint *newcomm, MPI_Fint *request, MPI_Fint *ierr),
53+
(comm, newcomm, request, ierr))
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#endif
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void ompix_comm_ishrink_f(MPI_Fint *comm, MPI_Fint *newcomm, MPI_Fint *request, MPI_Fint *ierr)
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{
58+
MPI_Comm c_comm = PMPI_Comm_f2c(*comm);
59+
MPI_Request c_req;
60+
MPI_Comm c_newcomm;
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*ierr = OMPI_INT_2_FINT(MPIX_Comm_ishrink(c_comm,
63+
&c_newcomm,
64+
&c_req));
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if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
67+
*request = PMPI_Request_c2f(c_req);
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*newcomm = PMPI_Comm_c2f(c_newcomm);
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}
70+
else {
71+
*newcomm = PMPI_Comm_c2f(&ompi_mpi_comm_null.comm);
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}
73+
}

‎ompi/mpiext/ftmpi/mpif-h/comm_shrink_f.c‎

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@@ -1,5 +1,5 @@
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/*
2-
* Copyright (c) 2010-2019 The University of Tennessee and the University
2+
* Copyright (c) 2010-2022 The University of Tennessee and the University
33
* of Tennessee Research Foundation. All rights
44
* reserved.
55
* $COPYRIGHT$
@@ -16,6 +16,8 @@
1616
#include "ompi/mpiext/ftmpi/c/mpiext_ftmpi_c.h"
1717
#include "ompi/mpiext/ftmpi/mpif-h/prototypes_mpi.h"
1818

19+
#include "ompi/communicator/communicator.h"
20+
1921
#if OPAL_HAVE_WEAK_SYMBOLS
2022
#pragma weak PMPIX_COMM_SHRINK = ompix_comm_shrink_f
2123
#pragma weak pmpix_comm_shrink = ompix_comm_shrink_f
@@ -59,4 +61,7 @@ void ompix_comm_shrink_f(MPI_Fint *comm, MPI_Fint *newcomm, MPI_Fint *ierr)
5961
if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
6062
*newcomm = PMPI_Comm_c2f(c_newcomm);
6163
}
64+
else {
65+
*newcomm = PMPI_Comm_c2f(&ompi_mpi_comm_null.comm);
66+
}
6267
}

‎ompi/mpiext/ftmpi/use-mpi-f08/Makefile.am‎

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@@ -62,7 +62,8 @@ mpi_api_files = \
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comm_ack_failed_f08.F90 \
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comm_agree_f08.F90 \
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comm_iagree_f08.F90 \
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comm_shrink_f08.F90
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comm_shrink_f08.F90 \
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comm_ishrink_f08.F90
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6768
pmpi_api_files = \
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profile/pcomm_revoke_f08.F90 \
@@ -73,7 +74,8 @@ pmpi_api_files = \
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profile/pcomm_ack_failed_f08.F90 \
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profile/pcomm_agree_f08.F90 \
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profile/pcomm_iagree_f08.F90 \
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profile/pcomm_shrink_f08.F90
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profile/pcomm_shrink_f08.F90 \
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profile/pcomm_ishrink_f08.F90
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7880
mpi_api_lo_files = $(mpi_api_files:.F90=.lo)
7981
pmpi_api_lo_files = $(pmpi_api_files:.F90=.lo)

‎ompi/mpiext/ftmpi/use-mpi-f08/comm_ishrink_f08.F90‎

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! -*- f90 -*-
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!
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! Copyright (c) 2018-2022 The University of Tennessee and the University
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! of Tennessee Research Foundation. All rights
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! reserved.
6+
! $COPYRIGHT$
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!
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! Additional copyrights may follow
9+
!
10+
! $HEADER$
11+
!
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13+
subroutine MPIX_Comm_ishrink_f08(comm, newcomm, request, ierror)
14+
use :: mpi_f08_types, only : MPI_Comm, MPI_Request
15+
implicit none
16+
interface
17+
subroutine ompix_comm_ishrink_f(comm, newcomm, request, ierror) &
18+
BIND(C, name="ompix_comm_shrink_f")
19+
implicit none
20+
INTEGER, INTENT(IN) :: comm
21+
INTEGER, INTENT(OUT) :: newcomm
22+
INTEGER, INTENT(OUT) :: request
23+
INTEGER, INTENT(OUT) :: ierror
24+
end subroutine ompix_comm_ishrink_f
25+
end interface
26+
TYPE(MPI_Comm), INTENT(IN) :: comm
27+
TYPE(MPI_Comm), INTENT(OUT) :: newcomm
28+
TYPE(MPI_Request), INTENT(OUT) :: request
29+
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
30+
integer :: c_ierror
31+
32+
call ompix_comm_ishrink_f(comm%MPI_VAL, newcomm%MPI_VAL, request%MPI_VAL, c_ierror)
33+
if (present(ierror)) ierror = c_ierror
34+
35+
end subroutine MPIX_Comm_ishrink_f08

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