o["Threads"] = UCIOption(cpus, 1, MAX_THREADS);
o["Use Sleeping Threads"] = UCIOption(true, on_threads);
o["Hash"] = UCIOption(32, 4, 8192, on_hash_size);
o["Threads"] = UCIOption(cpus, 1, MAX_THREADS);
o["Use Sleeping Threads"] = UCIOption(true, on_threads);
o["Hash"] = UCIOption(32, 4, 8192, on_hash_size);