c7d02257e3
Summary: stdint.h defines the modern standard c types which have a fixed memory size. This makes the program run more predictably as well as removing the need to ugly double work types such as `unsigned int` or `long long`. Reviewed By: lucasr Differential Revision: D3649096 fbshipit-source-id: dc9fc8861c3106494c5d00d6ac337da50a4c945b
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#ifndef __CSS_BENCHMARK_H
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#define __CSS_BENCHMARK_H
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <time.h>
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#define NUM_REPETITIONS 100000
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#define CSS_BENCHMARKS(BLOCK) \
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int main(int argc, char const *argv[]) { \
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clock_t __start; \
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clock_t __end; \
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{ \
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BLOCK \
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} \
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return 0; \
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}
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#define CSS_BENCHMARK(NAME, BLOCK) \
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__start = clock(); \
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for (uint32_t __i = 0; __i < NUM_REPETITIONS; __i++) { BLOCK } \
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__end = clock(); \
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__printBenchmarkResult(NAME, __start, __end);
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void __printBenchmarkResult(char *name, clock_t start, clock_t end) {
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float total = (end - start) / (double) CLOCKS_PER_SEC * 1000;
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float mean = total / NUM_REPETITIONS;
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printf("%s: ", name);
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printf("%lf ms", mean);
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printf("\n");
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}
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#endif
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