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63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
// Copyright (c) 2015-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_BENCH_BENCH_H
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#define BITCOIN_BENCH_BENCH_H
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#include <util/macros.h>
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#include <chrono>
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#include <functional>
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#include <map>
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#include <string>
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#include <vector>
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#include <bench/nanobench.h>
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/*
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* Usage:
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static void CODE_TO_TIME(benchmark::Bench& bench)
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{
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... do any setup needed...
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nanobench::Config().run([&] {
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... do stuff you want to time...
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});
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... do any cleanup needed...
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}
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BENCHMARK(CODE_TO_TIME);
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*/
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namespace benchmark {
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using ankerl::nanobench::Bench;
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typedef std::function<void(Bench&)> BenchFunction;
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struct Args {
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std::string regex_filter;
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bool is_list_only;
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std::vector<double> asymptote;
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std::string output_csv;
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std::string output_json;
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};
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class BenchRunner
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{
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typedef std::map<std::string, BenchFunction> BenchmarkMap;
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static BenchmarkMap& benchmarks();
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public:
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BenchRunner(std::string name, BenchFunction func);
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static void RunAll(const Args& args);
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};
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}
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// BENCHMARK(foo) expands to: benchmark::BenchRunner bench_11foo("foo", foo);
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#define BENCHMARK(n) \
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benchmark::BenchRunner PASTE2(bench_, PASTE2(__LINE__, n))(STRINGIZE(n), n);
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#endif // BITCOIN_BENCH_BENCH_H
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