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/*!
| Usage:
|
| static c_void NameOfYourBenchmarkFunction(Bench& bench)
| {
| ...do any setup needed...
|
| bench.run([&] {
| ...do stuff you want to time; refer to src/bench/nanobench.h
| for more information and the options that can be passed here...
| });
|
| ...do any cleanup needed...
| }
|
| BENCHMARK(NameOfYourBenchmarkFunction);
|
*/
crate::ix!();
//-------------------------------------------[.cpp/bitcoin/src/bench/bench.h]
pub type BenchFunction = fn(_0: &mut Bencher) -> ();
pub struct Args {
is_list_only: bool,
/// millis
min_time: Duration,
asymptote: Vec<f64>,
output_csv: String,
output_json: String,
regex_filter: String,
}
pub struct BenchRunner {
}
pub type BenchmarkMap = HashMap<String,BenchFunction>;
/**
| BENCHMARK(foo) expands to: BenchRunner
| bench_11foo("foo", foo);
|
*/
macro_rules! benchmark {
($n:ident) => {
/*
BenchRunner PASTE2(bench_, PASTE2(__LINE__, n))(STRINGIZE(n), n);
*/
}
}
//-------------------------------------------[.cpp/bitcoin/src/bench/bench.cpp]
lazy_static!{
/*
const std::function<c_void(const std::string&)> G_TEST_LOG_FUN{};
*/
}
pub type NanoBenchResult = Broken;
pub fn generate_template_results(
benchmark_results: &Vec<NanoBenchResult>,
filename: &String,
tpl: *const u8) {
todo!();
/*
if (benchmarkResults.empty() || filename.empty()) {
// nothing to write, bail out
return;
}
std::ofstream fout(filename);
if (fout.is_open()) {
ankerl::nanobench::render(tpl, benchmarkResults, fout);
} else {
std::cout << "Could write to file '" << filename << "'" << std::endl;
}
std::cout << "Created '" << filename << "'" << std::endl;
*/
}
impl BenchRunner {
pub fn benchmarks(&mut self) -> &mut BenchmarkMap {
todo!();
/*
static std::map<std::string, BenchFunction> benchmarks_map;
return benchmarks_map;
*/
}
pub fn new(
name: String,
func: BenchFunction) -> Self {
todo!();
/*
benchmarks().insert(std::make_pair(name, func));
*/
}
pub fn run_all(&mut self, args: &Args) {
todo!();
/*
std::regex reFilter(args.regex_filter);
std::smatch baseMatch;
std::vector<ankerl::nanobench::Result> benchmarkResults;
for (const auto& p : benchmarks()) {
if (!std::regex_match(p.first, baseMatch, reFilter)) {
continue;
}
if (args.is_list_only) {
std::cout << p.first << std::endl;
continue;
}
Bench bench;
bench.name(p.first);
if (args.min_time > 0ms) {
// convert to nanos before dividing to reduce rounding errors
std::chrono::nanoseconds min_time_ns = args.min_time;
bench.minEpochTime(min_time_ns / bench.epochs());
}
if (args.asymptote.empty()) {
p.second(bench);
} else {
for (auto n : args.asymptote) {
bench.complexityN(n);
p.second(bench);
}
std::cout << bench.complexityBigO() << std::endl;
}
if (!bench.results().empty()) {
benchmarkResults.push_back(bench.results().back());
}
}
GenerateTemplateResults(benchmarkResults, args.output_csv, "# Benchmark, evals, iterations, total, min, max, median\n"
"{{#result}}{{name}}, {{epochs}}, {{average(iterations)}}, {{sumProduct(iterations, elapsed)}}, {{minimum(elapsed)}}, {{maximum(elapsed)}}, {{median(elapsed)}}\n"
"{{/result}}");
GenerateTemplateResults(benchmarkResults, args.output_json, ankerl::nanobench::templates::json());
*/
}
}