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#include <chrono>
#include <cstdint>
#include <iostream>
#include <vector>
#include "utility_dnnlowp_ops.h"
using namespace std;
int main(int argc, const char* argv[]) {
int LEN = argc > 1 ? atoi(argv[1]) : 65536;
vector<uint8_t> a(LEN), b(LEN), c_avx2(LEN), c_avx512(LEN);
for (int i = 0; i < LEN; ++i) {
a[i] = i % 256;
b[i] = (i * 2) % 256;
}
chrono::time_point<chrono::system_clock> t = chrono::system_clock::now();
caffe2::internal::ElementWiseSumAVX2<uint8_t, false>(
a.data(),
b.data(),
c_avx2.data(),
a.size(),
1.0f,
11,
2.0f,
22,
3.0f,
33);
double dt = chrono::duration<double>(chrono::system_clock::now() - t).count();
double bytes = 3. * LEN * sizeof(a[0]);
cout << bytes / dt / 1e9 << " GB/s" << endl;
return 0;
}
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