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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2011 Université de Bordeaux 1
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#include <config.h>
#include <stdio.h>
#include <starpu.h>
#define PROGNAME "starpu_machine_display"
static void display_worker_names(enum starpu_archtype type)
{
unsigned nworkers = starpu_worker_get_count_by_type(type);
int ids[nworkers];
starpu_worker_get_ids_by_type(type, ids, nworkers);
unsigned i;
for (i = 0; i < nworkers; i++)
{
char name[256];
starpu_worker_get_name(ids[i], name, 256);
fprintf(stdout, "\t\t%s\n", name);
}
}
static void display_combined_worker(unsigned workerid)
{
int worker_size;
int *combined_workerid;
starpu_combined_worker_get_description(workerid, &worker_size, &combined_workerid);
fprintf(stdout, "\t\t");
int i;
for (i = 0; i < worker_size; i++)
{
char name[256];
starpu_worker_get_name(combined_workerid[i], name, 256);
fprintf(stdout, "%s\t", name);
}
fprintf(stdout, "\n");
}
static void display_all_combined_workers(void)
{
unsigned ncombined_workers = starpu_combined_worker_get_count();
if (ncombined_workers == 0)
return;
unsigned nworkers = starpu_worker_get_count();
fprintf(stdout, "\t%d Combined workers\n", ncombined_workers);
unsigned i;
for (i = 0; i < ncombined_workers; i++)
display_combined_worker(nworkers + i);
}
static void parse_args(int argc, char **argv)
{
if (argc == 1)
return;
if (argc > 2 || /* Argc should be either 1 or 2 */
strncmp(argv[1], "--help", 6) == 0 ||
strncmp(argv[1], "-h", 2) == 0)
{
(void) fprintf(stderr, "\
Show the processing units that StarPU can use, and the \
bandwitdh measured between the memory nodes. \n\
\n\
Usage: %s [OPTION] \n\
\n\
Options: \n\
-h, --help display this help and exit \n\
-v, --version output version information and exit \n\
\n\
Report bugs to <" PACKAGE_BUGREPORT ">.",
PROGNAME);
}
else if (strncmp(argv[1], "--version", 9) == 0 ||
strncmp(argv[1], "-v", 2) == 0)
{
(void) fprintf(stderr, "%s %d.%d\n",
PROGNAME, STARPU_MAJOR_VERSION, STARPU_MINOR_VERSION);
}
else
{
fprintf(stderr, "Unknown arg %s\n", argv[1]);
}
exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
{
parse_args(argc, argv);
/* Even if starpu_init returns -ENODEV, we should go on : we will just
* print that we found no device. */
(void) starpu_init(NULL);
unsigned ncpu = starpu_cpu_worker_get_count();
unsigned ncuda = starpu_cuda_worker_get_count();
unsigned nopencl = starpu_opencl_worker_get_count();
fprintf(stdout, "StarPU has found :\n");
fprintf(stdout, "\t%d CPU cores\n", ncpu);
display_worker_names(STARPU_CPU_WORKER);
fprintf(stdout, "\t%d CUDA devices\n", ncuda);
display_worker_names(STARPU_CUDA_WORKER);
fprintf(stdout, "\t%d OpenCL devices\n", nopencl);
display_worker_names(STARPU_OPENCL_WORKER);
display_all_combined_workers();
starpu_bus_print_bandwidth(stdout);
starpu_shutdown();
return 0;
}
|
