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1 | /* cpufreq-bench CPUFreq microbenchmark |
2 | * | |
3 | * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program 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 | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | */ | |
19 | ||
20 | /* load loop, this schould take about 1 to 2ms to complete */ | |
21 | #define ROUNDS(x) {unsigned int rcnt; \ | |
02af3cb5 DB |
22 | for (rcnt = 0; rcnt < x*1000; rcnt++) { \ |
23 | (void)(((int)(pow(rcnt, rcnt) * \ | |
24 | sqrt(rcnt*7230970)) ^ 7230716) ^ \ | |
25 | (int)atan2(rcnt, rcnt)); \ | |
26 | } } \ | |
7fe2f639 DB |
27 | |
28 | ||
29 | void start_benchmark(struct config *config); |