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common/ompio: implement pipelined file_iwrite and iread #11225

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Merged
merged 1 commit into from
Jan 23, 2023
Merged

common/ompio: implement pipelined file_iwrite and iread #11225

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5 changes: 4 additions & 1 deletion ompi/mca/common/ompio/common_ompio.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
* Copyright (c) 2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2018 DataDirect Networks. All rights reserved.
* Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
Expand Down Expand Up @@ -101,6 +102,8 @@
#define OMPIO_PERM_NULL -1
#define OMPIO_IOVEC_INITIAL_SIZE 100

extern opal_mutex_t mca_common_ompio_mutex;

enum ompio_fs_type
{
NONE = 0,
Expand Down Expand Up @@ -274,7 +277,7 @@ OMPI_DECLSPEC int mca_common_ompio_file_iwrite_at_all (ompio_file_t *fp, OMPI_MP

OMPI_DECLSPEC int mca_common_ompio_build_io_array ( ompio_file_t *fh, int index, int cycles,
size_t bytes_per_cycle, size_t max_data, uint32_t iov_count,
struct iovec *decoded_iov, int *ii, int *jj, size_t *tbw,
struct iovec *decoded_iov, int *ii, size_t *tbw,
size_t *spc, mca_common_ompio_io_array_t **io_array,
int *num_io_entries );

Expand Down
24 changes: 8 additions & 16 deletions ompi/mca/common/ompio/common_ompio_buffer.h
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Expand Up @@ -31,14 +31,10 @@
opal_output(1, "common_ompio: error allocating memory\n"); \
return OMPI_ERR_OUT_OF_RESOURCE; \
} \
_decoded_iov = (struct iovec *) malloc ( sizeof ( struct iovec )); \
if ( NULL == _decoded_iov ) { \
opal_output(1, "common_ompio: could not allocate memory.\n"); \
return OMPI_ERR_OUT_OF_RESOURCE; \
} \
_decoded_iov->iov_base = _tbuf; \
_decoded_iov->iov_len = _max_data; \
_iov_count=1;}
if (NULL != _decoded_iov) { \
((struct iovec*)_decoded_iov)->iov_base = _tbuf; \
((struct iovec*)_decoded_iov)->iov_len = _max_data; \
_iov_count=1;}}

#define OMPIO_PREPARE_READ_BUF(_fh,_buf,_count,_datatype,_tbuf,_convertor,_max_data,_tmp_buf_size,_decoded_iov,_iov_count){ \
OBJ_CONSTRUCT( _convertor, opal_convertor_t); \
Expand All @@ -49,14 +45,10 @@
opal_output(1, "common_ompio: error allocating memory\n"); \
return OMPI_ERR_OUT_OF_RESOURCE; \
} \
_decoded_iov = (struct iovec *) malloc ( sizeof ( struct iovec )); \
if ( NULL == _decoded_iov ) { \
opal_output(1, "common_ompio: could not allocate memory.\n"); \
return OMPI_ERR_OUT_OF_RESOURCE; \
} \
_decoded_iov->iov_base = _tbuf; \
_decoded_iov->iov_len = _max_data; \
_iov_count=1;}
if (NULL != _decoded_iov) { \
((struct iovec*)_decoded_iov)->iov_base = _tbuf; \
((struct iovec*)_decoded_iov)->iov_len = _max_data; \
_iov_count=1;}}

void mca_common_ompio_check_gpu_buf ( ompio_file_t *fh, const void *buf,
int *is_gpu, int *is_managed);
Expand Down
6 changes: 6 additions & 0 deletions ompi/mca/common/ompio/common_ompio_file_open.c
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Expand Up @@ -48,6 +48,12 @@
static mca_common_ompio_generate_current_file_view_fn_t generate_current_file_view_fn;
static mca_common_ompio_get_mca_parameter_value_fn_t get_mca_parameter_value_fn;

/*
* Global, component-wide OMPIO mutex
*/
opal_mutex_t mca_common_ompio_mutex = {{0}};


int mca_common_ompio_file_open (ompi_communicator_t *comm,
const char *filename,
int amode,
Expand Down
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