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Merge bitcoin/bitcoin#22292: bench, doc: benchmarking updates and fixups
d8513fe41102dcbfc05235f3b95e33eb1878f880 doc: update doc/benchmarking.md (Jon Atack) 84e2d5b78181d08b258c77f9c9c4e1bb7fdaa451 bench: bench_bitcoin.cpp help fixups (Jon Atack) 10f4ce20783cbbcb0c0997c605452d9e60827e6d bench: bench.h fixes and improvements (Jon Atack) Pull request description: Fixups and updates I noticed while writing benchmarks for #22284. ACKs for top commit: za-kk: ACK d8513fe41102dcbfc05235f3b95e33eb1878f880 theStack: ACK d8513fe41102dcbfc05235f3b95e33eb1878f880 🚤 Tree-SHA512: d494956b5d6a3329e98e8b6f4405a10613b8fce51a04bbf4493d8b3497b8d5b177c1a9a3eeb828796eb4edb92b0ace769595151e223671c0dc8f09bcf631ebb5
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@ -8,8 +8,10 @@ thread queue, wallet balance.
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Running
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---------------------
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For benchmarks purposes you only need to compile `dash_bench`. Beware of configuring without `--enable-debug` as this would impact
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benchmarking by unlatching log printers and lock analysis.
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For benchmarking, you only need to compile `dash_bench`. The bench runner
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warns if you configure with `--enable-debug`, but consider if building without
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it will impact the benchmark(s) you are interested in by unlatching log printers
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and lock analysis.
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make -C src dash_bench
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@ -19,19 +21,28 @@ After compiling Dash Core, the benchmarks can be run with:
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The output will look similar to:
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```
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| ns/byte | byte/s | error % | benchmark
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|--------------------:|--------------------:|--------:|:----------------------------------------------
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| 64.13 | 15,592,356.01 | 0.1% | `Base58CheckEncode`
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| 24.56 | 40,722,672.68 | 0.2% | `Base58Decode`
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| ns/op | op/s | err% | total | benchmark
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|--------------------:|--------------------:|--------:|----------:|:----------
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| 57,927,463.00 | 17.26 | 3.6% | 0.66 | `AddrManAdd`
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| 677,816.00 | 1,475.33 | 4.9% | 0.01 | `AddrManGetAddr`
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...
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| ns/byte | byte/s | err% | total | benchmark
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|--------------------:|--------------------:|--------:|----------:|:----------
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| 127.32 | 7,854,302.69 | 0.3% | 0.00 | `Base58CheckEncode`
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| 31.95 | 31,303,226.99 | 0.2% | 0.00 | `Base58Decode`
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...
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```
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Help
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---------------------
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src/bench/bench_dash --help
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src/bench/bench_dash -?
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To print options like scaling factor or per-benchmark filter.
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To print the various options, like listing the benchmarks without running them
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or using a regex filter to only run certain benchmarks.
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Notes
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---------------------
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@ -18,16 +18,19 @@
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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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static void NameOfYourBenchmarkFunction(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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bench.run([&] {
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...do stuff you want to time; refer to src/bench/nanobench.h
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for more information and the options that can be passed here...
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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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BENCHMARK(NameOfYourBenchmarkFunction);
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*/
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@ -55,7 +58,8 @@ public:
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static void RunAll(const Args& args);
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};
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}
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} // namespace benchmark
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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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@ -17,11 +17,11 @@ static void SetupBenchArgs(ArgsManager& argsman)
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{
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SetupHelpOptions(argsman);
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argsman.AddArg("-list", "List benchmarks without executing them", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-asymptote=n1,n2,n3,...", "Test asymptotic growth of the runtime of an algorithm, if supported by the benchmark", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-filter=<regex>", strprintf("Regular expression filter to select benchmark by name (default: %s)", DEFAULT_BENCH_FILTER), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-asymptote=n1,n2,n3,...", strprintf("Test asymptotic growth of the runtime of an algorithm, if supported by the benchmark"), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-output_csv=<output.csv>", "Generate CSV file with the most important benchmark results.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-output_json=<output.json>", "Generate JSON file with all benchmark results.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-list", "List benchmarks without executing them", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-output_csv=<output.csv>", "Generate CSV file with the most important benchmark results", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-output_json=<output.json>", "Generate JSON file with all benchmark results", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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}
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// parses a comma separated list like "10,20,30,50"
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