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Fixed some const's and added --confidence option.

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This commit is contained in:
dimarub2000 2019-08-09 13:46:57 +03:00
parent b780072a9d
commit b2cbc1a747
1 changed files with 13 additions and 10 deletions
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23
dbms/programs/benchmark/Benchmark.cpp
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@ -55,11 +55,12 @@ public:
bool cumulative_, bool secure_, const String & default_database_,
const String & user_, const String & password_, const String & stage,
bool randomize_, size_t max_iterations_, double max_time_,
const String & json_path_, const Settings & settings_)
const String & json_path_, size_t confidence_, const Settings & settings_)
:
concurrency(concurrency_), delay(delay_), queue(concurrency), randomize(randomize_),
cumulative(cumulative_), max_iterations(max_iterations_), max_time(max_time_),
json_path(json_path_), settings(settings_), global_context(Context::createGlobal()), pool(concurrency)
confidence(confidence_), json_path(json_path_), settings(settings_),
global_context(Context::createGlobal()), pool(concurrency)
{
const auto secure = secure_ ? Protocol::Secure::Enable : Protocol::Secure::Disable;
size_t connections_cnt = std::max(ports_.size(), hosts_.size());
@ -139,6 +140,7 @@ private:
bool cumulative;
size_t max_iterations;
double max_time;
size_t confidence;
String json_path;
Settings settings;
Context global_context;
@ -199,20 +201,20 @@ private:
squares_sum += seconds * seconds;
}
double avg()
double avg() const
{
return sum / cnt;
}
double var()
double var() const
{
return (squares_sum - (sum * sum / cnt)) / static_cast<double>(cnt - 1);
}
};
std::vector<double> confidence_level = { 80, 90, 95, 98, 99, 99.5 };
const std::vector<double> confidence_level = { 80, 90, 95, 98, 99, 99.5 };
std::vector<std::vector<double>> students_table = {
const std::vector<std::vector<double>> students_table = {
/* inf */ { 1.282, 1.645, 1.960, 2.326, 2.576, 3.090 },
/* 1. */ { 3.078, 6.314, 12.706, 31.821, 63.657, 318.313 },
/* 2. */ { 1.886, 2.920, 4.303, 6.965, 9.925, 22.327 },
@ -318,7 +320,7 @@ private:
std::vector<RelativeStats> data;
bool report(UInt8 confidence_index)
bool report(size_t confidence_index)
{
if (data.size() != 2) /// Works for two connections only
return true;
@ -427,8 +429,7 @@ private:
{
printNumberOfQueriesExecuted(queries_executed);
cumulative ? report(comparison_info_total) : report(comparison_info_per_interval);
comparison_relative.report(5);
comparison_relative.report(confidence);
delay_watch.restart();
}
@ -476,7 +477,7 @@ private:
printNumberOfQueriesExecuted(queries_executed);
report(comparison_info_total);
comparison_relative.report(5);
comparison_relative.report(confidence);
}
@ -693,6 +694,7 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
("password", value<std::string>()->default_value(""), "")
("database", value<std::string>()->default_value("default"), "")
("stacktrace", "print stack traces of exceptions")
("confidence", value<size_t>()->default_value(5), "set the level of confidence for T-test [0=80%, 1=90%, 2=95%, 3=98%, 4=99%, 5=99.5%(default)")
;
Settings settings;
@ -728,6 +730,7 @@ int mainEntryClickHouseBenchmark(int argc, char ** argv)
options["iterations"].as<size_t>(),
options["timelimit"].as<double>(),
options["json"].as<std::string>(),
options["confidence"].as<size_t>(),
settings);
return benchmark.run();
}