int main() {
try {
ecl::set_priority(ecl::RealTimePriority4);
} catch ( StandardException &e ) {
// dont worry about it.
}
StopWatch stopwatch;
TimeStamp times[22];
unsigned int lines_to_write = 500;// Buffer::buffer_size/10 + 1;
float f = 33.54;
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " OFile Write" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
OFile o_file("odude.txt",New);
for ( unsigned int i = 0; i < lines_to_write; ++i ) { // Avoid speedups from caching affecting times.
o_file.write("Heya Dude\n",10);
}
o_file.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
o_file.write("Heya Dude\n",10);
}
o_file.flush();
times[0] = stopwatch.split();
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " Shared File Write" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
SharedFile s_file("sdude.txt",New);
for ( unsigned int i = 0; i < lines_to_write; ++i ) { // Avoid speedups from caching affecting times.
s_file.write("Heya Dude\n",10);
}
s_file.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
s_file.write("Heya Dude\n",10);
}
s_file.flush();
times[1] = stopwatch.split();
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " TextStream<OFile>" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
TextStream<OFile> ostream;
ostream.device().open("dude_stream.txt",New);
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
ostream << "Heya Dude\n";
}
ostream.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
ostream << "Heya Dude\n";
}
ostream.flush();
times[2] = stopwatch.split();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
ostream << f << "\n";
}
ostream.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
ostream << f << "\n";
}
ostream.flush();
times[3] = stopwatch.split();
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " std::ofstream" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
std::ofstream cpp_ostream("dude_ofstream.txt");
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
cpp_ostream << "Heya Dude\n";
}
cpp_ostream.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
cpp_ostream << "Heya Dude\n";
}
cpp_ostream.flush();
times[4] = stopwatch.split();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
cpp_ostream << f << "\n";
}
cpp_ostream.flush();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
cpp_ostream << f << "\n";
}
cpp_ostream.flush();
times[5] = stopwatch.split();
cpp_ostream.close();
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " LogStream" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
LogStream log_stream("dude_logstream.txt",New);
log_stream.disableHeader();
log_stream.disableTimeStamp();
log_stream.enableMode(Warning,"WARNING");
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
LOG(log_stream,Warning) << "Heya Dude\n";
}
FLUSH(log_stream);
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
LOG(log_stream,Warning) << "Heya Dude\n";
}
FLUSH(log_stream);
times[9] = stopwatch.split();
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
LOG(log_stream,Warning) << f << "\n";
}
FLUSH(log_stream);
stopwatch.restart();
for ( unsigned int i = 0; i < lines_to_write; ++i ) {
LOG(log_stream,Warning) << f << "\n";
}
FLUSH(log_stream);
times[10] = stopwatch.split();
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " Times" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
std::cout << "Writing Char Strings:" << std::endl;
std::cout << " OFile write : " << times[0].nsec() << " ns" << std::endl;
std::cout << " SharedFile write : " << times[1].nsec() << " ns" << std::endl;
std::cout << " OFile stream : " << times[2].nsec() << " ns" << std::endl;
std::cout << " LogStream : " << times[9].nsec() << " ns" << std::endl;
std::cout << " C++ ofstream : " << times[4].nsec() << " ns" << std::endl;
std::cout << "Streaming Floats:" << std::endl;
std::cout << " OFileStream : " << times[3].nsec() << " ns" << std::endl;
std::cout << " Log stream : " << times[10].nsec() << " ns" << std::endl;
std::cout << " C++ ofstream : " << times[5].nsec() << " ns" << std::endl;
std::cout << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << " Passed" << std::endl;
std::cout << "***********************************************************" << std::endl;
std::cout << std::endl;
return 0;
}
