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#include <library/cpp/testing/benchmark/bench.h>
#include <util/generic/xrange.h>
#include <util/generic/string.h>
#include <util/generic/vector.h>
#include <util/generic/buffer.h>
template <class C>
Y_NO_INLINE void Run(const C& c) {
for (size_t i = 0; i < c.size(); ++i) {
Y_DO_NOT_OPTIMIZE_AWAY(c[i]);
}
}
template <class C>
void Do(size_t len, auto& iface) {
C c(len, 0);
for (auto i : xrange(iface.Iterations())) {
Y_UNUSED(i);
Run(c);
}
}
Y_CPU_BENCHMARK(TVector10, iface) {
Do<TVector<char>>(10, iface);
}
Y_CPU_BENCHMARK(TVector100, iface) {
Do<TVector<char>>(100, iface);
}
Y_CPU_BENCHMARK(TVector1000, iface) {
Do<TVector<char>>(1000, iface);
}
Y_CPU_BENCHMARK(TString10, iface) {
Do<TString>(10, iface);
}
Y_CPU_BENCHMARK(TString100, iface) {
Do<TString>(100, iface);
}
Y_CPU_BENCHMARK(TString1000, iface) {
Do<TString>(1000, iface);
}
Y_CPU_BENCHMARK(StdString10, iface) {
Do<std::string>(10, iface);
}
Y_CPU_BENCHMARK(StdString100, iface) {
Do<std::string>(100, iface);
}
Y_CPU_BENCHMARK(StdString1000, iface) {
Do<std::string>(1000, iface);
}
struct TBuf: public TBuffer {
TBuf(size_t len, char v) {
for (size_t i = 0; i < len; ++i) {
Append(v);
}
}
inline const auto& operator[](size_t i) const noexcept {
return *(data() + i);
}
};
Y_CPU_BENCHMARK(TBuffer10, iface) {
Do<TBuf>(10, iface);
}
Y_CPU_BENCHMARK(TBuffer100, iface) {
Do<TBuf>(100, iface);
}
Y_CPU_BENCHMARK(TBuffer1000, iface) {
Do<TBuf>(1000, iface);
}
struct TArr {
inline TArr(size_t len, char ch)
: A(new char[len])
, L(len)
{
for (size_t i = 0; i < L; ++i) {
A[i] = ch;
}
}
inline const auto& operator[](size_t i) const noexcept {
return A[i];
}
inline size_t size() const noexcept {
return L;
}
char* A;
size_t L;
};
Y_CPU_BENCHMARK(Pointer10, iface) {
Do<TArr>(10, iface);
}
Y_CPU_BENCHMARK(Pointer100, iface) {
Do<TArr>(100, iface);
}
Y_CPU_BENCHMARK(Pointer1000, iface) {
Do<TArr>(1000, iface);
}
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