thread_pool_os_executor<Scheduler>::thread_pool_os_executor(
std::size_t num_punits, std::string const& affinity_desc)
: scheduler_(nullptr),
executor_name_(get_unique_name()),
notifier_(get_notification_policy(executor_name_.c_str())),
pool_(nullptr),
num_threads_(num_punits)
{
if (num_punits > hpx::threads::hardware_concurrency())
{
HPX_THROW_EXCEPTION(bad_parameter,
"thread_pool_os_executor<Scheduler>::thread_pool_os_executor",
"max_punit shouldn't be larger than number of available "
"OS-threads");
return;
}
std::unique_ptr<Scheduler> scheduler(new Scheduler(num_punits));
scheduler_ = scheduler.get();
pool_.reset(new threads::detail::scheduled_thread_pool<Scheduler>(
std::move(scheduler), notifier_, 0, executor_name_.c_str()));
std::unique_lock<mutex_type> lk(mtx_);
pool_->init(num_threads_, 0);
if (!pool_->run(lk, num_threads_))
{
lk.unlock();
HPX_THROW_EXCEPTION(invalid_status,
"thread_pool_os_executor<Scheduler>::thread_pool_os_executor",
"couldn't start thread_pool");
}
}
thread_pool_os_executor<Scheduler>::thread_pool_os_executor(
std::size_t num_punits, std::string const& affinity_desc)
: scheduler_(num_punits),
executor_name_(get_unique_name()),
notifier_(get_notification_policy(executor_name_.c_str())),
pool_(scheduler_, notifier_, executor_name_.c_str()),
num_threads_(num_punits)
{
if (num_punits > hpx::threads::hardware_concurrency())
{
HPX_THROW_EXCEPTION(bad_parameter,
"thread_pool_os_executor<Scheduler>::thread_pool_os_executor",
"max_punit shouldn't be larger than number of available "
"OS-threads");
return;
}
boost::unique_lock<mutex_type> lk(mtx_);
// initialize the affinity configuration for this scheduler
threads::policies::init_affinity_data data("pu", affinity_desc);
pool_.init(num_threads_, data);
if (!pool_.run(lk, num_threads_))
{
HPX_THROW_EXCEPTION(invalid_status,
"thread_pool_os_executor<Scheduler>::thread_pool_os_executor",
"couldn't start thread_pool");
}
}
