ports/openmpi
ports/openmpi
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osc/sm: fix MPI_Win_allocate_shared() alignment

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add padding so the memory allocated by MPI_Win_allocate_shared()
is 64 bytes aligned.

Thanks Joseph Schuchart for the bug report

Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
Этот коммит содержится в:
Gilles Gouaillardet 2017-02-15 11:18:00 +09:00
родитель 404fe327be
Коммит cd4537193c
1 изменённых файлов: 5 добавлений и 2 удалений
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7
ompi/mca/osc/sm/osc_sm_component.c
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@ -5,7 +5,7 @@
* reserved. * reserved.
* Copyright (c) 2014 Intel, Inc. All rights reserved. * Copyright (c) 2014 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015-2016 Research Organization for Information Science * Copyright (c) 2015-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved. * and Technology (RIST). All rights reserved.
* $COPYRIGHT$ * $COPYRIGHT$
* *
@ -21,6 +21,7 @@
#include "ompi/mca/osc/base/osc_base_obj_convert.h" #include "ompi/mca/osc/base/osc_base_obj_convert.h"
#include "ompi/request/request.h" #include "ompi/request/request.h"
#include "opal/util/sys_limits.h" #include "opal/util/sys_limits.h"
#include "opal/include/opal/align.h"
#include "osc_sm.h" #include "osc_sm.h"
@ -211,7 +212,7 @@ component_select(struct ompi_win_t *win, void **base, size_t size, int disp_unit
int i, flag; int i, flag;
size_t pagesize; size_t pagesize;
size_t state_size; size_t state_size;
int posts_size, post_size = (comm_size + 63) / 64; size_t posts_size, post_size = (comm_size + 63) / 64;
OPAL_OUTPUT_VERBOSE((1, ompi_osc_base_framework.framework_output, OPAL_OUTPUT_VERBOSE((1, ompi_osc_base_framework.framework_output,
"allocating shared memory region of size %ld\n", (long) size)); "allocating shared memory region of size %ld\n", (long) size));
@ -246,7 +247,9 @@ component_select(struct ompi_win_t *win, void **base, size_t size, int disp_unit
/* user opal/shmem directly to create a shared memory segment */ /* user opal/shmem directly to create a shared memory segment */
state_size = sizeof(ompi_osc_sm_global_state_t) + sizeof(ompi_osc_sm_node_state_t) * comm_size; state_size = sizeof(ompi_osc_sm_global_state_t) + sizeof(ompi_osc_sm_node_state_t) * comm_size;
state_size += OPAL_ALIGN_PAD_AMOUNT(state_size, 64);
posts_size = comm_size * post_size * sizeof (uint64_t); posts_size = comm_size * post_size * sizeof (uint64_t);
posts_size += OPAL_ALIGN_PAD_AMOUNT(posts_size, 64);
if (0 == ompi_comm_rank (module->comm)) { if (0 == ompi_comm_rank (module->comm)) {
char *data_file; char *data_file;
if (asprintf(&data_file, "%s"OPAL_PATH_SEP"shared_window_%d.%s", if (asprintf(&data_file, "%s"OPAL_PATH_SEP"shared_window_%d.%s",