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
|
/* Measure strtod implementation.
Copyright (C) 2013-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#define TEST_MAIN
#define TEST_NAME "strtod"
#include <stdio.h>
#include <stdlib.h>
#include "bench-timing.h"
#undef INNER_LOOP_ITERS
#define INNER_LOOP_ITERS 131072
static const char *inputs[] =
{
"1e308",
"100000000e300",
"0x1p1023",
"0x1000p1011",
"0x1p1020",
"0x0.00001p1040" "1e-307",
"0.000001e-301",
"0.0000001e-300",
"0.00000001e-299",
"1000000e-313",
"10000000e-314",
"100000000e-315",
"0x1p-1021",
"0x1000p-1033",
"0x10000p-1037",
"0x0.001p-1009",
"0x0.0001p-1005",
"12.345",
"12.345e19",
"-.1e+9",
".125",
"1e20",
"0e-19",
"4\00012",
"5.9e-76",
"0x1.4p+3",
"0xAp0",
"0x0Ap0",
"0x0A",
"0xA0",
"0x0.A0p8",
"0x0.50p9",
"0x0.28p10",
"0x0.14p11",
"0x0.0A0p12",
"0x0.050p13",
"0x0.028p14",
"0x0.014p15",
"0x00.00A0p16",
"0x00.0050p17",
"0x00.0028p18",
"0x00.0014p19",
"0x1p-1023",
"0x0.8p-1022",
"Inf",
"-Inf",
"+InFiNiTy",
"0x80000Ap-23",
"1e-324",
"0x100000000000008p0",
"0x100000000000008.p0",
"0x100000000000008.00p0",
"0x10000000000000800p0",
"0x10000000000000801p0",
NULL
};
int
do_bench (void)
{
const size_t iters = INNER_LOOP_ITERS;
for (size_t i = 0; inputs[i] != NULL; ++i)
{
char *ep;
timing_t start, stop, cur;
printf ("Input %-24s:", inputs[i]);
TIMING_NOW (start);
for (size_t j = 0; j < iters; ++j)
strtod (inputs[i], &ep);
TIMING_NOW (stop);
TIMING_DIFF (cur, start, stop);
TIMING_PRINT_MEAN ((double) cur, (double) iters);
putchar ('\n');
}
return 0;
}
#define TEST_FUNCTION do_bench ()
#include "../test-skeleton.c"
|
