#include <chrono>
#include <iostream>
#include <type_traits>
long createNew(int count)
{
long ret = 1;
for (int i = 0; i < count; ++i) {
ret ^= (long)&hist;
}
return ret;
}
long fillNew(int count)
{
for (int i = 0; i < count; ++i)
hist.
Fill({0.611, 0.611});
return hist.GetNDim();
}
long fillN(int count)
{
std::vector<Experimental::Hist::RCoordArray<2>>
v(count);
for (int i = 0; i < count; ++i)
return hist.GetNDim();
}
long fillBufferedNew(int count)
{
for (int i = 0; i < count; ++i)
filler.Fill({0.611, 0.611});
return hist.GetNDim();
}
using timefunc_t = std::add_pointer_t<long(int)>;
void time1(timefunc_t run,
int count,
const std::string &
name)
{
using namespace std::chrono;
auto start = high_resolution_clock::now();
run(count);
auto end = high_resolution_clock::now();
duration<double> time_span = duration_cast<duration<double>>(
end -
start);
std::cout << count <<
" * " <<
name <<
": " << time_span.count() <<
"seconds \n";
}
void time(timefunc_t r7,
int count,
const std::string &
name)
{
time1(r7, count,
name +
" (ROOT7)");
}
void perf()
{
time(createNew, 1000000, "create 2D hists");
time(fillNew, 100000000, "2D fills");
time(fillBufferedNew, 100000000, "2D fills (buffered)");
}
Histogram class for histograms with DIMENSIONS dimensions, where each bin count is stored by a value ...
void Fill(const CoordArray_t &x, Weight_t weight=(Weight_t) 1) noexcept
Add weight to the bin containing coordinate x.
This file contains a specialised ROOT message handler to test for diagnostic in unit tests.