cpplab/app/sse.cpp

64 lines
No EOL
1.5 KiB
C++

#include <iostream>
#include "../src/cpu/utils.hpp"
#include "../src/cpu/x86/sse.hpp"
#include "../src/cpu/naive.hpp"
#include <sys/time.h>
using namespace cpu;
using namespace std;
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){
SSE sse = SSE();
UInt v1_128[INT_LEN_128] = { 0x1, 0x2,0x3,0x4 };
UInt v2_128[INT_LEN_128] = { 0x1, 0x2,0x3,0x4 };
ULong v1_128_l[LONG_LEN_128];
ULong v2_128_l[LONG_LEN_128];
Utils::int128BitToLong(v1_128,v1_128_l);
Utils::int128BitToLong(v2_128,v2_128_l);
sse.add_128(v1_128,v2_128);
long int start,end;
Utils::printHex(v1_128,INT_LEN_128);
Utils::printHex(v2_128,INT_LEN_128);
Utils::printHex(v1_128_l,LONG_LEN_128);
Utils::printHex(v2_128_l,LONG_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.add_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.add_128(v1_128_l,v2_128_l);
}
end = gettime();
cout << "SSE Approach paddd: " << end-start << endl;
Utils::printHex(v1_128,INT_LEN_128);
Utils::printHex(v1_128_l,LONG_LEN_128);
}