int main( int argc, char * argv[])
{
try
{
bind_to_processor( 0);
boost::program_options::options_description desc("allowed options");
desc.add_options()
("help", "help message")
("fpu,f", boost::program_options::value< bool >( & preserve_fpu), "preserve FPU registers")
("jobs,j", boost::program_options::value< boost::uint64_t >( & jobs), "jobs to run");
boost::program_options::variables_map vm;
boost::program_options::store(
boost::program_options::parse_command_line(
argc,
argv,
desc),
vm);
boost::program_options::notify( vm);
if ( vm.count("help") ) {
std::cout << desc << std::endl;
return EXIT_SUCCESS;
}
stack_allocator stack_alloc;
fc = boost::context::make_fcontext(
stack_alloc.allocate( stack_allocator::default_stacksize() ),
stack_allocator::default_stacksize(),
foo);
boost::uint64_t res = measure_time_fc().count();
std::cout << "fcontext_t: average of " << res << " nano seconds" << std::endl;
# if __cplusplus >= 201103L
res = measure_time_ec().count();
std::cout << "execution_context: average of " << res << " nano seconds" << std::endl;
# endif
#ifdef BOOST_CONTEXT_CYCLE
res = measure_cycles_fc();
std::cout << "fcontext_t: average of " << res << " cpu cycles" << std::endl;
# if __cplusplus >= 201103L
res = measure_cycles_ec();
std::cout << "execution_context: average of " << res << " cpu cycles" << std::endl;
# endif
#endif
return EXIT_SUCCESS;
}
catch ( std::exception const& e)
{ std::cerr << "exception: " << e.what() << std::endl; }
catch (...)
{ std::cerr << "unhandled exception" << std::endl; }
return EXIT_FAILURE;
}
int main( int argc, char * argv[])
{
try
{
bind_to_processor( 0);
boost::program_options::options_description desc("allowed options");
desc.add_options()
("help", "help message")
("jobs,j", boost::program_options::value< boost::uint64_t >( & jobs), "jobs to run");
boost::program_options::variables_map vm;
boost::program_options::store(
boost::program_options::parse_command_line(
argc,
argv,
desc),
vm);
boost::program_options::notify( vm);
if ( vm.count("help") ) {
std::cout << desc << std::endl;
return EXIT_SUCCESS;
}
boost::uint64_t res = measure_time_fc().count();
std::cout << "fcontext_t: average of " << res << " nano seconds" << std::endl;
#ifdef BOOST_CONTEXT_CYCLE
res = measure_cycles_fc();
std::cout << "fcontext_t: average of " << res << " cpu cycles" << std::endl;
#endif
return EXIT_SUCCESS;
}
catch ( std::exception const& e)
{ std::cerr << "exception: " << e.what() << std::endl; }
catch (...)
{ std::cerr << "unhandled exception" << std::endl; }
return EXIT_FAILURE;
}
