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vec.cpp
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58 lines (54 loc) · 1.25 KB
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#include <iostream>
#include <vector>
#include <list>
#include <chrono>
int test(int M, const std::vector<int>& c)
{
int sum = 0;
auto start = std::chrono::high_resolution_clock::now();
for (int i = 0; i < M; i++)
{
for (auto v: c)
{
__asm volatile("#LLVM-MCA-BEGIN test");
sum += v;
}
__asm volatile("#LLVM-MCA-END");
}
auto end = std::chrono::high_resolution_clock::now();
std::cout << "elapsed milliseconds: " << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << std::endl;
return sum;
}
int test(int M, const std::list<int>& c)
{
int sum = 0;
auto start = std::chrono::high_resolution_clock::now();
for (int i = 0; i < M; i++)
{
for (auto v: c)
{
__asm volatile("#LLVM-MCA-BEGIN test");
sum += v;
}
__asm volatile("#LLVM-MCA-END");
}
auto end = std::chrono::high_resolution_clock::now();
std::cout << "elapsed milliseconds: " << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << std::endl;
return sum;
}
int main()
{
const int N = 10000;
std::vector<int> va;
std::list<int> la;
for (int i = 0; i < N; i++)
{
va.push_back(rand());
la.push_back(rand());
}
const int M = 100000;
int sum = test(M, va);
sum += test(M, la);
std::cout << sum << std::endl;
return 0;
}