112 строки
4.6 KiB
C
112 строки
4.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; -*- */
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/*
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* Copyright (c) 2004-2005 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) 2004-2013 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) 2004-2005 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) 2008-2016 University of Houston. All rights reserved.
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* Copyright (c) 2018 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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*
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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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#ifndef MCA_COMMON_OMPIO_AGGREGATORS_H
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#define MCA_COMMON_OMPIO_AGGREGATORS_H
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/*AGGREGATOR GROUPING DECISIONS*/
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#define OMPIO_MERGE 1
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#define OMPIO_SPLIT 2
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#define OMPIO_RETAIN 3
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typedef struct {
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int ndims;
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int *dims;
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int *periods;
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int *coords;
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int reorder;
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} mca_io_ompio_cart_topo_components;
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typedef struct{
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OMPI_MPI_OFFSET_TYPE contg_chunk_size;
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int *procs_in_contg_group;
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int procs_per_contg_group;
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} mca_common_ompio_contg;
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/*Aggregator selection methods*/
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OMPI_DECLSPEC int mca_common_ompio_set_aggregator_props (struct ompio_file_t *fh,
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int num_aggregators,
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size_t bytes_per_proc);
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int mca_common_ompio_forced_grouping ( ompio_file_t *fh,
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int num_groups,
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mca_common_ompio_contg *contg_groups);
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int mca_common_ompio_cart_based_grouping(ompio_file_t *ompio_fh, int *num_groups,
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mca_common_ompio_contg *contg_groups);
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int mca_common_ompio_fview_based_grouping(ompio_file_t *fh, int *num_groups,
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mca_common_ompio_contg *contg_groups);
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int mca_common_ompio_simple_grouping(ompio_file_t *fh, int *num_groups,
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mca_common_ompio_contg *contg_groups);
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int mca_common_ompio_finalize_initial_grouping(ompio_file_t *fh, int num_groups,
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mca_common_ompio_contg *contg_groups);
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int mca_common_ompio_create_groups(ompio_file_t *fh, size_t bytes_per_proc);
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int mca_common_ompio_prepare_to_group(ompio_file_t *fh,
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OMPI_MPI_OFFSET_TYPE **start_offsets_lens,
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OMPI_MPI_OFFSET_TYPE **end_offsets,
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OMPI_MPI_OFFSET_TYPE **aggr_bytes_per_group,
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OMPI_MPI_OFFSET_TYPE *bytes_per_group,
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int **decision_list,
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size_t bytes_per_proc,
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int *is_aggregator,
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int *ompio_grouping_flag);
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int mca_common_ompio_retain_initial_groups(ompio_file_t *fh);
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int mca_common_ompio_split_initial_groups(ompio_file_t *fh,
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OMPI_MPI_OFFSET_TYPE *start_offsets_lens,
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OMPI_MPI_OFFSET_TYPE *end_offsets,
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OMPI_MPI_OFFSET_TYPE bytes_per_group);
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int mca_common_ompio_split_a_group(ompio_file_t *fh,
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OMPI_MPI_OFFSET_TYPE *start_offsets_lens,
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OMPI_MPI_OFFSET_TYPE *end_offsets,
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int size_new_group,
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OMPI_MPI_OFFSET_TYPE *max_cci,
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OMPI_MPI_OFFSET_TYPE *min_cci,
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int *num_groups, int *size_smallest_group);
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int mca_common_ompio_finalize_split(ompio_file_t *fh, int size_new_group,
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int size_last_group);
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int mca_common_ompio_merge_initial_groups(ompio_file_t *fh,
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OMPI_MPI_OFFSET_TYPE *aggr_bytes_per_group,
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int *decision_list, int is_aggregator);
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int mca_common_ompio_merge_groups(ompio_file_t *fh, int *merge_aggrs,
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int num_merge_aggrs);
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#endif /* MCA_COMMON_AGGREGATORS_H */
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