c4c69b4ddf
Add support for MPI_Count type and MPI_COUNT datatype and add the required MPI-3 functions MPI_Get_elements_x, MPI_Status_set_elements_x, MPI_Type_get_extent_x, MPI_Type_get_true_extent_x, and MPI_Type_size_x. This commit adds only the C bindings. Fortran bindins will be added in another commit. For now the MPI_Count type is define to have the same size as MPI_Offset. The type is required to be at least as large as MPI_Offset and MPI_Aint. The type was initially intended to be a ssize_t (if it was the same size as a long long) but there were issues compiling romio with that definition (despite the inclusion of stddef.h). I updated the datatype engine to use size_t instead of uint32_t to support large datatypes. This will require some review to make sure that 1) the changes are beneficial, 2) nothing was broken by the change (I doubt anything was), and 3) there are no performance regressions due to this change. Increase the maximum number of predifined datatypes to support MPI_Count Put common get_elements code to ompi/datatype/ompi_datatype_get_elements.c Update MPI_Get_count to reflect changes in MPI-3 (return MPI_UNDEFINED when the count is too large for an int) This commit was SVN r28932.
426 строки
15 KiB
C
426 строки
15 KiB
C
/*
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* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2010 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 (c) 2004-2007 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2009 Sun Microsystems, Inc. All rights 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 "opal/class/opal_pointer_array.h"
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#include "ompi/constants.h"
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#include "ompi/op/op.h"
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#include "ompi/mca/op/base/base.h"
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#include "ompi/datatype/ompi_datatype_internal.h"
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/*
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* Table for Fortran <-> C op handle conversion
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*/
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opal_pointer_array_t *ompi_op_f_to_c_table;
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/*
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* Create intrinsic op
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*/
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static int add_intrinsic(ompi_op_t *op, int fort_handle, int flags,
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const char *name);
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/*
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* Class information
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*/
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static void ompi_op_construct(ompi_op_t *eh);
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static void ompi_op_destruct(ompi_op_t *eh);
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/*
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* Class instance
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*/
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OBJ_CLASS_INSTANCE(ompi_op_t, opal_object_t,
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ompi_op_construct, ompi_op_destruct);
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/*
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* Intrinsic MPI_Op objects (_addr flavors are for F03 bindings)
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*/
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ompi_predefined_op_t ompi_mpi_op_null;
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ompi_predefined_op_t *ompi_mpi_op_null_addr = &ompi_mpi_op_null;
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ompi_predefined_op_t ompi_mpi_op_max;
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ompi_predefined_op_t *ompi_mpi_op_max_addr = &ompi_mpi_op_max;
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ompi_predefined_op_t ompi_mpi_op_min;
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ompi_predefined_op_t *ompi_mpi_op_min_addr = &ompi_mpi_op_min;
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ompi_predefined_op_t ompi_mpi_op_sum;
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ompi_predefined_op_t *ompi_mpi_op_sum_addr = &ompi_mpi_op_sum;
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ompi_predefined_op_t ompi_mpi_op_prod;
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ompi_predefined_op_t *ompi_mpi_op_prod_addr = &ompi_mpi_op_prod;
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ompi_predefined_op_t ompi_mpi_op_land;
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ompi_predefined_op_t *ompi_mpi_op_land_addr = &ompi_mpi_op_land;
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ompi_predefined_op_t ompi_mpi_op_band;
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ompi_predefined_op_t *ompi_mpi_op_band_addr = &ompi_mpi_op_band;
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ompi_predefined_op_t ompi_mpi_op_lor;
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ompi_predefined_op_t *ompi_mpi_op_lor_addr = &ompi_mpi_op_lor;
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ompi_predefined_op_t ompi_mpi_op_bor;
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ompi_predefined_op_t *ompi_mpi_op_bor_addr = &ompi_mpi_op_bor;
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ompi_predefined_op_t ompi_mpi_op_lxor;
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ompi_predefined_op_t *ompi_mpi_op_lxor_addr = &ompi_mpi_op_lxor;
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ompi_predefined_op_t ompi_mpi_op_bxor;
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ompi_predefined_op_t *ompi_mpi_op_bxor_addr = &ompi_mpi_op_bxor;
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ompi_predefined_op_t ompi_mpi_op_maxloc;
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ompi_predefined_op_t *ompi_mpi_op_maxloc_addr = &ompi_mpi_op_maxloc;
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ompi_predefined_op_t ompi_mpi_op_minloc;
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ompi_predefined_op_t *ompi_mpi_op_minloc_addr = &ompi_mpi_op_minloc;
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ompi_predefined_op_t ompi_mpi_op_replace;
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ompi_predefined_op_t *ompi_mpi_op_replace_addr = &ompi_mpi_op_replace;
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/*
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* Map from ddt->id to position in op function pointer array
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*/
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int ompi_op_ddt_map[OMPI_DATATYPE_MAX_PREDEFINED];
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#define FLAGS_NO_FLOAT \
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(OMPI_OP_FLAGS_INTRINSIC | OMPI_OP_FLAGS_ASSOC | OMPI_OP_FLAGS_COMMUTE)
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#define FLAGS \
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(OMPI_OP_FLAGS_INTRINSIC | OMPI_OP_FLAGS_ASSOC | \
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OMPI_OP_FLAGS_FLOAT_ASSOC | OMPI_OP_FLAGS_COMMUTE)
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/*
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* Initialize OMPI op infrastructure
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*/
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int ompi_op_init(void)
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{
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int i;
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/* initialize ompi_op_f_to_c_table */
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ompi_op_f_to_c_table = OBJ_NEW(opal_pointer_array_t);
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if (NULL == ompi_op_f_to_c_table){
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return OMPI_ERROR;
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}
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/* Fill in the ddt.id->op_position map */
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for (i = 0; i < OMPI_DATATYPE_MAX_PREDEFINED; ++i) {
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ompi_op_ddt_map[i] = -1;
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}
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_INT8_T] = OMPI_OP_BASE_TYPE_INT8_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_UINT8_T] = OMPI_OP_BASE_TYPE_UINT8_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_INT16_T] = OMPI_OP_BASE_TYPE_INT16_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_UINT16_T] = OMPI_OP_BASE_TYPE_UINT16_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_INT32_T] = OMPI_OP_BASE_TYPE_INT32_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_UINT32_T] = OMPI_OP_BASE_TYPE_UINT32_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_INT64_T] = OMPI_OP_BASE_TYPE_INT64_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_UINT64_T] = OMPI_OP_BASE_TYPE_UINT64_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_FLOAT] = OMPI_OP_BASE_TYPE_FLOAT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_DOUBLE] = OMPI_OP_BASE_TYPE_DOUBLE;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_LONG_DOUBLE] = OMPI_OP_BASE_TYPE_LONG_DOUBLE;
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#if OMPI_SIZEOF_FORTRAN_COMPLEX8 == SIZEOF_FLOAT__COMPLEX
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COMPLEX8] = OMPI_OP_BASE_TYPE_COMPLEX8;
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#endif
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#if OMPI_SIZEOF_FORTRAN_COMPLEX16 == SIZEOF_DOUBLE__COMPLEX
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COMPLEX16] = OMPI_OP_BASE_TYPE_COMPLEX16;
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#endif
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#if OMPI_SIZEOF_FORTRAN_COMPLEX32 == SIZEOF_LONG_DOUBLE__COMPLEX
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COMPLEX32] = OMPI_OP_BASE_TYPE_COMPLEX32;
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#endif
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_WCHAR] = OMPI_OP_BASE_TYPE_WCHAR;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_BOOL] = OMPI_OP_BASE_TYPE_BOOL;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_LOGICAL] = OMPI_OP_BASE_TYPE_LOGICAL;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_CHARACTER] = OMPI_OP_BASE_TYPE_UINT8_T;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_INTEGER] = OMPI_OP_BASE_TYPE_INTEGER;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_REAL] = OMPI_OP_BASE_TYPE_REAL;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_DOUBLE_PRECISION] = OMPI_OP_BASE_TYPE_DOUBLE_PRECISION;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX8;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_DOUBLE_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX16;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_LONG_DOUBLE_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX32;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2INT] = OMPI_OP_BASE_TYPE_2INT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2INTEGER] = OMPI_OP_BASE_TYPE_2INTEGER;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2REAL] = OMPI_OP_BASE_TYPE_2REAL;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2DBLPREC] = OMPI_OP_BASE_TYPE_2DOUBLE_PRECISION;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2COMPLEX] = -1; /* Not defined */
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_2DOUBLE_COMPLEX] = -1; /* Not defined */
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_FLOAT_INT] = OMPI_OP_BASE_TYPE_FLOAT_INT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_DOUBLE_INT] = OMPI_OP_BASE_TYPE_DOUBLE_INT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_LONG_DOUBLE_INT] = OMPI_OP_BASE_TYPE_LONG_DOUBLE_INT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_LONG_INT] = OMPI_OP_BASE_TYPE_LONG_INT;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_SHORT_INT] = OMPI_OP_BASE_TYPE_SHORT_INT;
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#if SIZEOF_PTRDIFF_T == 4
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_AINT] = OMPI_OP_BASE_TYPE_INT32_T;
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#elif SIZEOF_PTRDIFF_T == 8
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_AINT] = OMPI_OP_BASE_TYPE_INT64_T;
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#else
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#warning Unsupported definition for MPI_AINT
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#endif
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#if OMPI_MPI_OFFSET_SIZE == 4
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_OFFSET] = OMPI_OP_BASE_TYPE_UINT32_T;
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#elif OMPI_MPI_OFFSET_SIZE == 8
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_OFFSET] = OMPI_OP_BASE_TYPE_UINT64_T;
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#else
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#warning Unsupported definition for MPI_OFFSET
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#endif
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_C_BOOL] = OMPI_OP_BASE_TYPE_BOOL;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_C_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX8;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_C_FLOAT_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX8;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_C_DOUBLE_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX16;
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_C_LONG_DOUBLE_COMPLEX] = OMPI_OP_BASE_TYPE_COMPLEX32;
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/* MPI 3.0 datatypes */
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#if OMPI_MPI_COUNT_SIZE == 4
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COUNT] = OMPI_OP_BASE_TYPE_INT32_T;
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#elif OMPI_MPI_COUNT_SIZE == 8
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ompi_op_ddt_map[OMPI_DATATYPE_MPI_COUNT] = OMPI_OP_BASE_TYPE_INT64_T;
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#else
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#warning Unsupported definition for MPI_COUNT
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#endif
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/* Create the intrinsic ops */
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if (OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_null.op, OMPI_OP_BASE_FORTRAN_NULL,
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FLAGS, "MPI_NULL") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_max.op, OMPI_OP_BASE_FORTRAN_MAX,
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FLAGS, "MPI_MAX") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_min.op, OMPI_OP_BASE_FORTRAN_MIN,
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FLAGS, "MPI_MIN") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_sum.op, OMPI_OP_BASE_FORTRAN_SUM,
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FLAGS_NO_FLOAT, "MPI_SUM") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_prod.op, OMPI_OP_BASE_FORTRAN_PROD,
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FLAGS_NO_FLOAT, "MPI_PROD") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_land.op, OMPI_OP_BASE_FORTRAN_LAND,
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FLAGS, "MPI_LAND") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_band.op, OMPI_OP_BASE_FORTRAN_BAND,
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FLAGS, "MPI_BAND") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_lor.op, OMPI_OP_BASE_FORTRAN_LOR,
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FLAGS, "MPI_LOR") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_bor.op, OMPI_OP_BASE_FORTRAN_BOR,
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FLAGS, "MPI_BOR") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_lxor.op, OMPI_OP_BASE_FORTRAN_LXOR,
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FLAGS, "MPI_LXOR") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_bxor.op, OMPI_OP_BASE_FORTRAN_BXOR,
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FLAGS, "MPI_BXOR") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_maxloc.op, OMPI_OP_BASE_FORTRAN_MAXLOC,
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FLAGS, "MPI_MAXLOC") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_minloc.op, OMPI_OP_BASE_FORTRAN_MINLOC,
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FLAGS, "MPI_MINLOC") ||
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OMPI_SUCCESS !=
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add_intrinsic(&ompi_mpi_op_replace.op, OMPI_OP_BASE_FORTRAN_REPLACE,
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FLAGS, "MPI_REPLACE")) {
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return OMPI_ERROR;
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}
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/* All done */
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return OMPI_SUCCESS;
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}
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/*
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* Clean up the op resources
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*/
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int ompi_op_finalize(void)
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{
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/* clean up the intrinsic ops */
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OBJ_DESTRUCT(&ompi_mpi_op_replace);
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OBJ_DESTRUCT(&ompi_mpi_op_minloc);
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OBJ_DESTRUCT(&ompi_mpi_op_maxloc);
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OBJ_DESTRUCT(&ompi_mpi_op_bxor);
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OBJ_DESTRUCT(&ompi_mpi_op_lxor);
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OBJ_DESTRUCT(&ompi_mpi_op_bor);
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OBJ_DESTRUCT(&ompi_mpi_op_lor);
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OBJ_DESTRUCT(&ompi_mpi_op_band);
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OBJ_DESTRUCT(&ompi_mpi_op_land);
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OBJ_DESTRUCT(&ompi_mpi_op_prod);
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OBJ_DESTRUCT(&ompi_mpi_op_sum);
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OBJ_DESTRUCT(&ompi_mpi_op_min);
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OBJ_DESTRUCT(&ompi_mpi_op_max);
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OBJ_DESTRUCT(&ompi_mpi_op_null);
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/* Remove op F2C table */
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OBJ_RELEASE(ompi_op_f_to_c_table);
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/* All done */
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return OMPI_SUCCESS;
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}
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/*
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* Create a new MPI_Op
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*/
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ompi_op_t *ompi_op_create_user(bool commute,
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ompi_op_fortran_handler_fn_t func)
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{
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ompi_op_t *new_op;
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/* Create a new object and ensure that it's valid */
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new_op = OBJ_NEW(ompi_op_t);
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if (NULL == new_op) {
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goto error;
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}
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if (0 > new_op->o_f_to_c_index) {
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OBJ_RELEASE(new_op);
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new_op = NULL;
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goto error;
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}
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/*
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* The new object is valid -- initialize it. If this is being
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* created from fortran, the fortran MPI API wrapper function
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* will override the o_flags field directly. We cast the
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* function pointer type to the fortran type arbitrarily -- it
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* only has to be a function pointer in order to store properly,
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* it doesn't matter what type it is (we'll cast it to the Right
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* type when we *use* it).
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*/
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new_op->o_flags = OMPI_OP_FLAGS_ASSOC;
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if (commute) {
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new_op->o_flags |= OMPI_OP_FLAGS_COMMUTE;
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}
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/* Set the user-defined callback function. The "fort_fn" member
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is part of a union, so it doesn't matter if this is a C or
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Fortan callback; we'll call the right flavor (per o_flags) at
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invocation time. */
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new_op->o_func.fort_fn = func;
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error:
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/* All done */
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return new_op;
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}
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/*
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* See lengthy comment in mpi/cxx/intercepts.cc for how the C++ MPI::Op
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* callbacks work.
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*/
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void ompi_op_set_cxx_callback(ompi_op_t *op, MPI_User_function *fn)
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{
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op->o_flags |= OMPI_OP_FLAGS_CXX_FUNC;
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/* The OMPI C++ intercept was previously stored in
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op->o_func.fort_fn by ompi_op_create_user(). So save that in
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cxx.intercept_fn and put the user's fn in cxx.user_fn. */
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op->o_func.cxx_data.intercept_fn =
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(ompi_op_cxx_handler_fn_t *) op->o_func.fort_fn;
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op->o_func.cxx_data.user_fn = fn;
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}
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/**************************************************************************
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*
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* Static functions
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*
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**************************************************************************/
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static int add_intrinsic(ompi_op_t *op, int fort_handle, int flags,
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const char *name)
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{
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/* Add the op to the table */
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OBJ_CONSTRUCT(op, ompi_op_t);
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if (op->o_f_to_c_index != fort_handle) {
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return OMPI_ERROR;
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}
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/* Set the members */
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op->o_flags = flags;
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strncpy(op->o_name, name, sizeof(op->o_name) - 1);
|
|
op->o_name[sizeof(op->o_name) - 1] = '\0';
|
|
|
|
/* Perform the selection on this op to fill in the function
|
|
pointers (except for NULL and REPLACE, which don't get
|
|
components) */
|
|
if (OMPI_OP_BASE_FORTRAN_NULL != op->o_f_to_c_index &&
|
|
OMPI_OP_BASE_FORTRAN_REPLACE != op->o_f_to_c_index) {
|
|
return ompi_op_base_op_select(op);
|
|
} else {
|
|
return OMPI_SUCCESS;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Op constructor
|
|
*/
|
|
static void ompi_op_construct(ompi_op_t *new_op)
|
|
{
|
|
int i;
|
|
|
|
/* assign entry in fortran <-> c translation array */
|
|
|
|
new_op->o_f_to_c_index =
|
|
opal_pointer_array_add(ompi_op_f_to_c_table, new_op);
|
|
|
|
/* Set everything to NULL so that we can intelligently free
|
|
non-NULL's in the destructor */
|
|
for (i = 0; i < OMPI_OP_BASE_TYPE_MAX; ++i) {
|
|
new_op->o_func.intrinsic.fns[i] = NULL;
|
|
new_op->o_func.intrinsic.modules[i] = NULL;
|
|
new_op->o_3buff_intrinsic.fns[i] = NULL;
|
|
new_op->o_3buff_intrinsic.modules[i] = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Op destructor
|
|
*/
|
|
static void ompi_op_destruct(ompi_op_t *op)
|
|
{
|
|
int i;
|
|
|
|
/* reset the ompi_op_f_to_c_table entry - make sure that the
|
|
entry is in the table */
|
|
|
|
if (NULL != opal_pointer_array_get_item(ompi_op_f_to_c_table,
|
|
op->o_f_to_c_index)) {
|
|
opal_pointer_array_set_item(ompi_op_f_to_c_table,
|
|
op->o_f_to_c_index, NULL);
|
|
}
|
|
|
|
for (i = 0; i < OMPI_OP_BASE_TYPE_MAX; ++i) {
|
|
op->o_func.intrinsic.fns[i] = NULL;
|
|
if( NULL != op->o_func.intrinsic.modules[i] ) {
|
|
OBJ_RELEASE(op->o_func.intrinsic.modules[i]);
|
|
op->o_func.intrinsic.modules[i] = NULL;
|
|
}
|
|
op->o_3buff_intrinsic.fns[i] = NULL;
|
|
if( NULL != op->o_3buff_intrinsic.modules[i] ) {
|
|
OBJ_RELEASE(op->o_3buff_intrinsic.modules[i]);
|
|
op->o_3buff_intrinsic.modules[i] = NULL;
|
|
}
|
|
}
|
|
}
|