int main()
{
#ifdef __GNUC__
#ifdef __clang__
std::cout << "clang++ compiler version " << __VERSION__ << "\n";
#else
std::cout << "g++ compiler version " << __VERSION__ << "\n";
#endif
#endif
try {
Application app;
Timer t;
t.Start();
app.runProcess();
t.Stop();
uint64_t tNoThreads = t.usecs();
std::cout << "no threading " << tNoThreads << " usecs"
<< ", " << tNoThreads * 1e-6 << " secs\n";
std::cout << "vector v size/capacity=" << app.Size() << "/" << app.Capacity() << "\n";
app.Reset(); // run adds things to vector v with push_back, reset vector v for the threaded run
t.Start();
app.runProcessWithThreads();
t.Stop();
uint64_t tThreads = t.usecs();
std::cout << "threading " << tThreads << " usecs"
<< ", " << tThreads * 1e-6 << " secs\n";
std::cout << "vector v size/capacity=" << app.Size() << "/" << app.Capacity() << "\n";
double speedup = double(tNoThreads) / double(tThreads);
if(speedup >= 1.)
std::cout << "Threading speed up = " << speedup << " times\n";
else
std::cout << "Threading slow down = " << 1./speedup << " times\n";
} catch (std::exception& e) {
std::cerr << e.what() << "\n";
}
return 0;
}
