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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
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// Copyright 2009 The RE2 Authors. All Rights Reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#ifndef RE2_UTIL_BENCHMARK_H__
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#define RE2_UTIL_BENCHMARK_H__
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namespace testing {
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struct Benchmark {
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const char* name;
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void (*fn)(int);
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void (*fnr)(int, int);
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int lo;
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int hi;
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int threadlo;
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int threadhi;
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void Register();
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Benchmark(const char* name, void (*f)(int)) { Clear(name); fn = f; Register(); }
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Benchmark(const char* name, void (*f)(int, int), int l, int h) { Clear(name); fnr = f; lo = l; hi = h; Register(); }
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void Clear(const char* n) { name = n; fn = 0; fnr = 0; lo = 0; hi = 0; threadlo = 0; threadhi = 0; }
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Benchmark* ThreadRange(int lo, int hi) { threadlo = lo; threadhi = hi; return this; }
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};
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} // namespace testing
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void SetBenchmarkBytesProcessed(long long);
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void StopBenchmarkTiming();
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void StartBenchmarkTiming();
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void BenchmarkMemoryUsage();
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void SetBenchmarkItemsProcessed(int);
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int NumCPUs();
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#define BENCHMARK(f) \
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::testing::Benchmark* _benchmark_##f = (new ::testing::Benchmark(#f, f))
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#define BENCHMARK_RANGE(f, lo, hi) \
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::testing::Benchmark* _benchmark_##f = \
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(new ::testing::Benchmark(#f, f, lo, hi))
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#endif // RE2_UTIL_BENCHMARK_H__
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