23 lines
582 B
C++
23 lines
582 B
C++
// baseline_asm.cpp
|
|
#include <iostream>
|
|
#include <chrono>
|
|
#include <cstddef>
|
|
|
|
int main() {
|
|
const size_t count = 400000;
|
|
|
|
auto start_time = std::chrono::high_resolution_clock::now();
|
|
|
|
for (size_t i = 0; i < count; ++i) {
|
|
asm volatile("" ::: "memory");
|
|
}
|
|
|
|
auto end_time = std::chrono::high_resolution_clock::now();
|
|
|
|
auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end_time - start_time);
|
|
std::cout << "Baseline (400000x asm volatile(\"\" ::: \"memory\")) Time: "
|
|
<< duration.count() << " us\n";
|
|
|
|
return 0;
|
|
}
|