30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
/* cpufreq-bench CPUFreq microbenchmark
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*
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* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* load loop, this schould take about 1 to 2ms to complete */
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#define ROUNDS(x) {unsigned int rcnt; \
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for (rcnt = 0; rcnt < x*1000; rcnt++) { \
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(void)(((int)(pow(rcnt, rcnt) * \
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sqrt(rcnt*7230970)) ^ 7230716) ^ \
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(int)atan2(rcnt, rcnt)); \
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} } \
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void start_benchmark(struct config *config);
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