cpplab/sse.cpp

54 lines
No EOL
1.3 KiB
C++

#include <iostream>
#include <string>
#include <iomanip>
#include <sys/time.h>
#include "src/core/cpu/naive.hpp"
#include "src/core/cpu/sse.hpp"
#include "src/core/cpu/utils.hpp"
using namespace core::cpu;
long int gettime(){
struct timeval tp;
gettimeofday(&tp, NULL);
long int ms = tp.tv_sec * 1000 + tp.tv_usec / 1000;
return ms;
};
#define MAX_ITER 1000*1000*100
int main(int argc, char** argcv){
int v1_128[Utils::INT_LEN_128] = { 0x1, 0x2,0x3,0x4 };
int v2_128[Utils::INT_LEN_128] = { 0x1, 0x2,0x3,0x4 };
long v1_128_l[Utils::LONG_LEN_128] = { (long)0x2<<32 | 0x2, (long)0x4<<32 | 0x3 };
long v2_128_l[Utils::LONG_LEN_128] = { (long)0x2<<32 | 0x2, (long)0x4<<32 | 0x3 };
long int start,end;
Utils::print(v1_128,Utils::INT_LEN_128);
Utils::print(v2_128,Utils::INT_LEN_128);
start = gettime();
for(int i=0;i<MAX_ITER;i++){
Naive::sum_128_long(v1_128,v2_128);
}
end = gettime();
cout << "Naive Approach: " << end-start << endl;
start = gettime();
for(int i=0;i<MAX_ITER;i++){
SSE::sum_128(v1_128,v2_128);
}
end = gettime();
cout << "SSE Approach paddw: " << end-start << endl;
start = gettime();
for(int i=0;i<MAX_ITER;i++){
SSE::sum_128(v1_128_l,v2_128_l);
}
end = gettime();
cout << "SSE Approach paddd: " << end-start << endl;
}