pybind11/ubench/number_bucket.h

56 lines
1.4 KiB
C++

#pragma once
#include <cstddef>
#include <exception>
#include <iostream>
#include <vector>
namespace pybind11_ubench {
template <int Serial>
struct number_bucket {
std::vector<double> data;
explicit number_bucket(std::size_t data_size = 0) : data(data_size, 1.0) {}
double sum() const {
std::size_t n = 0;
double s = 0;
const double *a = &*data.begin();
const double *e = &*data.end();
while (a != e) {
s += *a++;
n++;
}
if (n != data.size()) {
std::cerr << "Internal consistency failure (sum)." << std::endl;
std::terminate();
}
return s;
}
std::size_t add(const number_bucket &other) {
if (other.data.size() != data.size()) {
std::cerr << "Incompatible data sizes (add)." << std::endl;
std::terminate();
}
std::size_t n = 0;
double *a = &*data.begin();
const double *e = &*data.end();
const double *b = &*other.data.begin();
while (a != e) {
*a++ += *b++;
n++;
}
return n;
}
private:
number_bucket(const number_bucket &) = delete;
number_bucket(number_bucket &&) = delete;
number_bucket &operator=(const number_bucket &) = delete;
number_bucket &operator=(number_bucket &&) = delete;
};
} // namespace pybind11_ubench