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Minor fixes

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This commit is contained in:
dimarub2000 2019-08-09 18:08:10 +03:00
parent 9d2c9c8c2a
commit 2ce2bba496
1 changed files with 8 additions and 2 deletions
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10
dbms/programs/benchmark/Benchmark.cpp
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@ -80,6 +80,12 @@ public:
comparison_info_total.emplace_back(std::make_shared<Stats>());
}
if (confidence > 5)
{
std::cerr << "Confidence can't be set to " + toString(confidence) + ". It was set to 5 instead." << '\n';
confidence = 5;
}
global_context.makeGlobalContext();
std::cerr << std::fixed << std::setprecision(3);
@ -334,7 +340,7 @@ private:
double s = spool * sqrt(1.0 / data[0].cnt + 1.0 / data[1].cnt);
double d = data[0].avg() - data[1].avg();
double d = data[1].avg() - data[0].avg();
double e = t * s;
@ -343,7 +349,7 @@ private:
{
std::cerr << std::setprecision(1) << "Difference at " << confidence_level[confidence_index] << "% confidence\n" << std::setprecision(6);
std::cerr << "\t" << d << " +/- " << e << "\n";
std::cerr << "\t" << d * 100 / data[1].avg() << " +/- " << e * 100 / data[1].avg() << "\n";
std::cerr << "\t" << d * 100 / data[0].avg() << "% +/- " << e * 100 / data[0].avg() << "%\n";
std::cerr << "\t(Student's t, pooled s = " << spool << ")\n" << std::setprecision(3);
return false;
}