1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "adio.h"
#include "adio_extern.h"
#include "ad_ime.h"
#include "ad_ime_common.h"
#include <stdint.h>
#define IME_READ 0
#define IME_WRITE 1
static void IME_IOContig(ADIO_File fd,
void *buf,
int count,
MPI_Datatype datatype,
int file_ptr_type,
ADIO_Offset offset, ADIO_Status * status, int io_flag, int *error_code)
{
ssize_t ret;
MPI_Count datatype_size;
size_t mem_len;
uint64_t file_offset = offset;
static char myname[] = "ADIOI_IME_IOCONTIG";
if (count == 0) {
ret = 0;
goto fn_exit;
}
MPI_Type_size_x(datatype, &datatype_size);
mem_len = datatype_size * count;
if (file_ptr_type == ADIO_INDIVIDUAL)
file_offset = fd->fp_ind;
switch (io_flag) {
case IME_READ:
ret = ime_native_pread(fd->fd_sys, buf, mem_len, offset);
break;
case IME_WRITE:
ret = ime_native_pwrite(fd->fd_sys, buf, mem_len, offset);
break;
default:
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__, MPI_ERR_IO, "Unknown flag", 0);
goto exit;
break;
};
/* Let the application decide how to fail */
if (ret < 0) {
*error_code = MPI_SUCCESS;
goto exit;
}
if (file_ptr_type == ADIO_INDIVIDUAL)
fd->fp_ind += ret;
fd->fp_sys_posn = file_offset + ret;
fn_exit:
#ifdef HAVE_STATUS_SET_BYTES
if (status)
MPIR_Status_set_bytes(status, datatype, ret);
#endif
*error_code = MPI_SUCCESS;
exit:
return;
}
void ADIOI_IME_ReadContig(ADIO_File fd,
void *buf,
int count,
MPI_Datatype datatype,
int file_ptr_type,
ADIO_Offset offset, ADIO_Status * status, int *error_code)
{
IME_IOContig(fd, buf, count, datatype, file_ptr_type, offset, status, IME_READ, error_code);
}
void ADIOI_IME_WriteContig(ADIO_File fd,
const void *buf,
int count,
MPI_Datatype datatype,
int file_ptr_type,
ADIO_Offset offset, ADIO_Status * status, int *error_code)
{
IME_IOContig(fd,
(void *) buf,
count, datatype, file_ptr_type, offset, status, IME_WRITE, error_code);
}
|
