| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Measure strtod implementation. |
| 2 | Copyright (C) 2013-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #define TEST_MAIN |
| 20 | #define TEST_NAME "strtod" |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include "bench-timing.h" |
| 25 | |
| 26 | #undef INNER_LOOP_ITERS |
| 27 | #define INNER_LOOP_ITERS 65536 |
| 28 | |
| 29 | static const char *inputs[] = |
| 30 | { |
| 31 | "1e308", |
| 32 | "100000000e300", |
| 33 | "0x1p1023", |
| 34 | "0x1000p1011", |
| 35 | "0x1p1020", |
| 36 | "0x0.00001p1040" "1e-307", |
| 37 | "0.000001e-301", |
| 38 | "0.0000001e-300", |
| 39 | "0.00000001e-299", |
| 40 | "1000000e-313", |
| 41 | "10000000e-314", |
| 42 | "100000000e-315", |
| 43 | "0x1p-1021", |
| 44 | "0x1000p-1033", |
| 45 | "0x10000p-1037", |
| 46 | "0x0.001p-1009", |
| 47 | "0x0.0001p-1005", |
| 48 | "12.345", |
| 49 | "12.345e19", |
| 50 | "-.1e+9", |
| 51 | ".125", |
| 52 | "1e20", |
| 53 | "0e-19", |
| 54 | "4\00012", |
| 55 | "5.9e-76", |
| 56 | "0x1.4p+3", |
| 57 | "0xAp0", |
| 58 | "0x0Ap0", |
| 59 | "0x0A", |
| 60 | "0xA0", |
| 61 | "0x0.A0p8", |
| 62 | "0x0.50p9", |
| 63 | "0x0.28p10", |
| 64 | "0x0.14p11", |
| 65 | "0x0.0A0p12", |
| 66 | "0x0.050p13", |
| 67 | "0x0.028p14", |
| 68 | "0x0.014p15", |
| 69 | "0x00.00A0p16", |
| 70 | "0x00.0050p17", |
| 71 | "0x00.0028p18", |
| 72 | "0x00.0014p19", |
| 73 | "0x1p-1023", |
| 74 | "0x0.8p-1022", |
| 75 | "Inf", |
| 76 | "-Inf", |
| 77 | "+InFiNiTy", |
| 78 | "0x80000Ap-23", |
| 79 | "1e-324", |
| 80 | "0x100000000000008p0", |
| 81 | "0x100000000000008.p0", |
| 82 | "0x100000000000008.00p0", |
| 83 | "0x10000000000000800p0", |
| 84 | "0x10000000000000801p0", |
| 85 | NULL |
| 86 | }; |
| 87 | |
| 88 | int |
| 89 | do_bench (void) |
| 90 | { |
| 91 | const size_t iters = INNER_LOOP_ITERS; |
| 92 | timing_t res __attribute__ ((unused)); |
| 93 | |
| 94 | TIMING_INIT (res); |
| 95 | |
| 96 | for (size_t i = 0; inputs[i] != NULL; ++i) |
| 97 | { |
| 98 | char *ep; |
| 99 | timing_t start, stop, cur; |
| 100 | |
| 101 | printf ("Input %-24s:", inputs[i]); |
| 102 | TIMING_NOW (start); |
| 103 | for (size_t j = 0; j < iters; ++j) |
| 104 | strtod (inputs[i], &ep); |
| 105 | TIMING_NOW (stop); |
| 106 | |
| 107 | TIMING_DIFF (cur, start, stop); |
| 108 | TIMING_PRINT_MEAN ((double) cur, (double) iters); |
| 109 | putchar ('\n'); |
| 110 | } |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | #define TEST_FUNCTION do_bench () |
| 116 | |
| 117 | /* On slower platforms this test needs more than the default 2 seconds. */ |
| 118 | #define TIMEOUT 10 |
| 119 | |
| 120 | #include "../test-skeleton.c" |