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#include "tbb_local_executor.h"
template <bool RespectTls>
void NPar::TTbbLocalExecutor<RespectTls>::SubmitAsyncTasks(TLocallyExecutableFunction exec, int firstId, int lastId) {
for (int i = firstId; i < lastId; ++i) {
Group.run([=] { exec(i); });
}
}
template <bool RespectTls>
int NPar::TTbbLocalExecutor<RespectTls>::GetThreadCount() const noexcept {
return NumberOfTbbThreads - 1;
}
template <bool RespectTls>
int NPar::TTbbLocalExecutor<RespectTls>::GetWorkerThreadId() const noexcept {
return TbbArena.execute([] {
return tbb::this_task_arena::current_thread_index();
});
}
template <bool RespectTls>
void NPar::TTbbLocalExecutor<RespectTls>::Exec(TIntrusivePtr<ILocallyExecutable> exec, int id, int flags) {
if (flags & WAIT_COMPLETE) {
exec->LocalExec(id);
} else {
TbbArena.execute([=] {
SubmitAsyncTasks([=] (int id) { exec->LocalExec(id); }, id, id + 1);
});
}
}
template <bool RespectTls>
void NPar::TTbbLocalExecutor<RespectTls>::ExecRange(TIntrusivePtr<ILocallyExecutable> exec, int firstId, int lastId, int flags) {
if (flags & WAIT_COMPLETE) {
TbbArena.execute([=] {
if (RespectTls) {
tbb::this_task_arena::isolate([=]{
tbb::parallel_for(firstId, lastId, [=] (int id) { exec->LocalExec(id); });
});
} else {
tbb::parallel_for(firstId, lastId, [=] (int id) { exec->LocalExec(id); });
}
});
} else {
TbbArena.execute([=] {
SubmitAsyncTasks([=] (int id) { exec->LocalExec(id); }, firstId, lastId);
});
}
}
template class NPar::TTbbLocalExecutor<true>;
template class NPar::TTbbLocalExecutor<false>;
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