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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2009 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2009 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2015-2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2018 FUJITSU LIMITED. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <stddef.h>
#include "opal/datatype/opal_convertor.h"
#include "opal/datatype/opal_convertor_internal.h"
#include "opal/datatype/opal_datatype.h"
#include "opal/datatype/opal_datatype_checksum.h"
#include "opal/datatype/opal_datatype_internal.h"
/*
* This function is used to copy data from one buffer to another. The assumption
* is that the number of bytes per element to copy at the source and destination
* are the same.
* count - number of instances of a given data-type to copy
* from - point to the source buffer
* to - pointer to the destination buffer
* from_len - length of source buffer (in bytes)
* to_len - length of destination buffer (in bytes)
* from_extent - extent of the source data type (in bytes)
* to_extent - extent of the destination data type (in bytes)
*
* Return value: Number of elements of type TYPE copied
*/
#define COPY_TYPE(TYPENAME, TYPE, COUNT) \
static int copy_##TYPENAME(opal_convertor_t *pConvertor, size_t count, char *from, \
size_t from_len, ptrdiff_t from_extent, char *to, size_t to_len, \
ptrdiff_t to_extent, ptrdiff_t *advance) \
{ \
size_t remote_TYPE_size = sizeof(TYPE) * (COUNT); /* TODO */ \
size_t local_TYPE_size = (COUNT) * sizeof(TYPE); \
\
/* make sure the remote buffer is large enough to hold the data */ \
if ((remote_TYPE_size * count) > from_len) { \
count = from_len / remote_TYPE_size; \
if ((count * remote_TYPE_size) != from_len) { \
DUMP("oops should I keep this data somewhere (excedent %d bytes)?\n", \
from_len - (count * remote_TYPE_size)); \
} \
DUMP("correct: copy %s count %d from buffer %p with length %d to %p space %d\n", \
#TYPE, count, from, from_len, to, to_len); \
} else \
DUMP(" copy %s count %d from buffer %p with length %d to %p space %d\n", \
#TYPE, count, from, from_len, to, to_len); \
\
if ((from_extent == (ptrdiff_t) local_TYPE_size) \
&& (to_extent == (ptrdiff_t) remote_TYPE_size)) { \
/* copy of contiguous data at both source and destination */ \
MEMCPY(to, from, count *local_TYPE_size); \
} else { \
/* source or destination are non-contiguous */ \
for (size_t i = 0; i < count; i++) { \
MEMCPY(to, from, local_TYPE_size); \
to += to_extent; \
from += from_extent; \
} \
} \
*advance = count * from_extent; \
return count; \
}
/*
* This function is used to copy data from one buffer to another. The assumption
* is that the number of bytes per element to copy at the source and destination
* are the same.
* count - number of instances of a given data-type to copy
* from - point to the source buffer
* to - pointer to the destination buffer
* from_len - length of source buffer (in bytes)
* to_len - length of destination buffer (in bytes)
* from_extent - extent of the source data type (in bytes)
* to_extent - extent of the destination data type (in bytes)
*
* Return value: Number of elements of type TYPE copied
*/
#define COPY_CONTIGUOUS_BYTES(TYPENAME, COUNT) \
static size_t copy_##TYPENAME##_##COUNT(opal_convertor_t *pConvertor, size_t count, \
char *from, size_t from_len, ptrdiff_t from_extent, \
char *to, size_t to_len, ptrdiff_t to_extent, \
ptrdiff_t *advance) \
{ \
size_t remote_TYPE_size = (size_t)(COUNT); /* TODO */ \
size_t local_TYPE_size = (size_t)(COUNT); \
\
if ((remote_TYPE_size * count) > from_len) { \
count = from_len / remote_TYPE_size; \
if ((count * remote_TYPE_size) != from_len) { \
DUMP("oops should I keep this data somewhere (excedent %d bytes)?\n", \
from_len - (count * remote_TYPE_size)); \
} \
DUMP("correct: copy %s count %d from buffer %p with length %d to %p space %d\n", \
#TYPENAME, count, from, from_len, to, to_len); \
} else \
DUMP(" copy %s count %d from buffer %p with length %d to %p space %d\n", \
#TYPENAME, count, from, from_len, to, to_len); \
\
if ((from_extent == (ptrdiff_t) local_TYPE_size) \
&& (to_extent == (ptrdiff_t) remote_TYPE_size)) { \
MEMCPY(to, from, count *local_TYPE_size); \
} else { \
for (size_t i = 0; i < count; i++) { \
MEMCPY(to, from, local_TYPE_size); \
to += to_extent; \
from += from_extent; \
} \
} \
*advance = count * from_extent; \
return count; \
}
/* set up copy functions for the basic C MPI data types */
/* per default, select all of them */
#define REQUIRE_COPY_BYTES_1 1
#define REQUIRE_COPY_BYTES_2 1
#define REQUIRE_COPY_BYTES_4 1
#define REQUIRE_COPY_BYTES_8 1
#define REQUIRE_COPY_BYTES_16 1
#if REQUIRE_COPY_BYTES_1
COPY_CONTIGUOUS_BYTES(bytes, 1)
#endif
#if REQUIRE_COPY_BYTES_2
COPY_CONTIGUOUS_BYTES(bytes, 2)
#endif
#if REQUIRE_COPY_BYTES_4
COPY_CONTIGUOUS_BYTES(bytes, 4)
#endif
#if REQUIRE_COPY_BYTES_8
COPY_CONTIGUOUS_BYTES(bytes, 8)
#endif
#if REQUIRE_COPY_BYTES_16
COPY_CONTIGUOUS_BYTES(bytes, 16)
#endif
#if defined(HAVE_SHORT_FLOAT) && SIZEOF_SHORT_FLOAT == 2
COPY_TYPE(float_2, short float, 1)
#elif SIZEOF_FLOAT == 2
COPY_TYPE(float_2, float, 1)
#elif SIZEOF_DOUBLE == 2
COPY_TYPE(float_2, double, 1)
#elif SIZEOF_LONG_DOUBLE == 2
COPY_TYPE(float_2, long double, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_T) && SIZEOF_OPAL_SHORT_FLOAT_T == 2
COPY_TYPE(float_2, opal_short_float_t, 1)
#else
/* #error No basic type for copy function for opal_datatype_float2 found */
# define copy_float_2 NULL
#endif
#if defined(HAVE_SHORT_FLOAT) && SIZEOF_SHORT_FLOAT == 4
COPY_TYPE(float_4, short float, 1)
#elif SIZEOF_FLOAT == 4
COPY_TYPE(float_4, float, 1)
#elif SIZEOF_DOUBLE == 4
COPY_TYPE(float_4, double, 1)
#elif SIZEOF_LONG_DOUBLE == 4
COPY_TYPE(float_4, long double, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_T) && SIZEOF_OPAL_SHORT_FLOAT_T == 4
COPY_TYPE(float_4, opal_short_float_t, 1)
#else
# error No basic type for copy function for opal_datatype_float4 found
#endif
#if defined(HAVE_SHORT_FLOAT) && SIZEOF_SHORT_FLOAT == 8
COPY_TYPE(float_8, short float, 1)
#elif SIZEOF_FLOAT == 8
COPY_TYPE(float_8, float, 1)
#elif SIZEOF_DOUBLE == 8
COPY_TYPE(float_8, double, 1)
#elif SIZEOF_LONG_DOUBLE == 8
COPY_TYPE(float_8, long double, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_T) && SIZEOF_OPAL_SHORT_FLOAT_T == 8
COPY_TYPE(float_8, opal_short_float_t, 1)
#else
# error No basic type for copy function for opal_datatype_float8 found
#endif
#if defined(HAVE_SHORT_FLOAT) && SIZEOF_SHORT_FLOAT == 12
COPY_TYPE(float_12, short float, 1)
#elif SIZEOF_FLOAT == 12
COPY_TYPE(float_12, float, 1)
#elif SIZEOF_DOUBLE == 12
COPY_TYPE(float_12, double, 1)
#elif SIZEOF_LONG_DOUBLE == 12
COPY_TYPE(float_12, long double, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_T) && SIZEOF_OPAL_SHORT_FLOAT_T == 12
COPY_TYPE(float_12, opal_short_float_t, 1)
#else
/* #error No basic type for copy function for opal_datatype_float12 found */
# define copy_float_12 NULL
#endif
#if defined(HAVE_SHORT_FLOAT) && SIZEOF_SHORT_FLOAT == 16
COPY_TYPE(float_16, short float, 1)
#elif SIZEOF_FLOAT == 16
COPY_TYPE(float_16, float, 1)
#elif SIZEOF_DOUBLE == 16
COPY_TYPE(float_16, double, 1)
#elif SIZEOF_LONG_DOUBLE == 16
COPY_TYPE(float_16, long double, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_T) && SIZEOF_OPAL_SHORT_FLOAT_T == 16
COPY_TYPE(float_16, opal_short_float_t, 1)
#else
/* #error No basic type for copy function for opal_datatype_float16 found */
# define copy_float_16 NULL
#endif
#if defined(HAVE_SHORT_FLOAT__COMPLEX)
COPY_TYPE(short_float_complex, short float _Complex, 1)
#elif defined(HAVE_OPAL_SHORT_FLOAT_COMPLEX_T)
COPY_TYPE(short_float_complex, opal_short_float_complex_t, 1)
#else
/* #error No basic type for copy function for opal_datatype_short_float_complex found */
# define copy_short_float_complex NULL
#endif
COPY_TYPE(float_complex, float _Complex, 1)
COPY_TYPE(double_complex, double _Complex, 1)
COPY_TYPE(long_double_complex, long double _Complex, 1)
#if SIZEOF__BOOL == SIZEOF_CHAR
COPY_TYPE(bool, char, 1)
#elif SIZEOF__BOOL == SIZEOF_SHORT
COPY_TYPE(bool, short, 1)
#elif SIZEOF__BOOL == SIZEOF_INT
COPY_TYPE(bool, int, 1)
#elif SIZEOF__BOOL == SIZEOF_LONG
COPY_TYPE(bool, long, 1)
#else
# error No basic type for copy function for opal_datatype_bool found
#endif
COPY_TYPE(wchar, wchar_t, 1)
/* Table of predefined copy functions - one for each OPAL type */
/* NOTE: The order of this array *MUST* match the order in opal_datatype_basicDatatypes */
conversion_fct_t opal_datatype_copy_functions[OPAL_DATATYPE_MAX_PREDEFINED] = {
[OPAL_DATATYPE_LOOP] = (conversion_fct_t) NULL,
[OPAL_DATATYPE_END_LOOP] = (conversion_fct_t) NULL,
[OPAL_DATATYPE_LB] = (conversion_fct_t) NULL,
[OPAL_DATATYPE_UB] = (conversion_fct_t) NULL,
[OPAL_DATATYPE_INT1] = (conversion_fct_t) copy_bytes_1,
[OPAL_DATATYPE_INT2] = (conversion_fct_t) copy_bytes_2,
[OPAL_DATATYPE_INT4] = (conversion_fct_t) copy_bytes_4,
[OPAL_DATATYPE_INT8] = (conversion_fct_t) copy_bytes_8,
[OPAL_DATATYPE_INT16] = (conversion_fct_t) copy_bytes_16,
[OPAL_DATATYPE_UINT1] = (conversion_fct_t) copy_bytes_1,
[OPAL_DATATYPE_UINT2] = (conversion_fct_t) copy_bytes_2,
[OPAL_DATATYPE_UINT4] = (conversion_fct_t) copy_bytes_4,
[OPAL_DATATYPE_UINT8] = (conversion_fct_t) copy_bytes_8,
[OPAL_DATATYPE_UINT16] = (conversion_fct_t) copy_bytes_16,
[OPAL_DATATYPE_FLOAT2] = (conversion_fct_t) copy_float_2,
[OPAL_DATATYPE_FLOAT4] = (conversion_fct_t) copy_float_4,
[OPAL_DATATYPE_FLOAT8] = (conversion_fct_t) copy_float_8,
[OPAL_DATATYPE_FLOAT12] = (conversion_fct_t) copy_float_12,
[OPAL_DATATYPE_FLOAT16] = (conversion_fct_t) copy_float_16,
[OPAL_DATATYPE_SHORT_FLOAT_COMPLEX] = (conversion_fct_t) copy_short_float_complex,
[OPAL_DATATYPE_FLOAT_COMPLEX] = (conversion_fct_t) copy_float_complex,
[OPAL_DATATYPE_DOUBLE_COMPLEX] = (conversion_fct_t) copy_double_complex,
[OPAL_DATATYPE_LONG_DOUBLE_COMPLEX] = (conversion_fct_t) copy_long_double_complex,
[OPAL_DATATYPE_BOOL] = (conversion_fct_t) copy_bool,
[OPAL_DATATYPE_WCHAR] = (conversion_fct_t) copy_wchar,
#if SIZEOF_LONG == 4
[OPAL_DATATYPE_LONG] = (conversion_fct_t)copy_bytes_4,
[OPAL_DATATYPE_UNSIGNED_LONG] = (conversion_fct_t)copy_bytes_4,
#elif SIZEOF_LONG == 8
[OPAL_DATATYPE_LONG] = (conversion_fct_t)copy_bytes_8,
[OPAL_DATATYPE_UNSIGNED_LONG] = (conversion_fct_t)copy_bytes_8,
#endif
[OPAL_DATATYPE_UNAVAILABLE] = NULL,
};
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