mirror of https://gitee.com/openkylin/linux.git
17 lines
503 B
C
17 lines
503 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* 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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/* 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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