o["Min Split Depth"] = Option(msd, 4, 12, on_threads);
o["Max Threads per Split Point"] = Option(5, 4, 8, on_threads);
o["Threads"] = Option(cpus, 1, MAX_THREADS, on_threads);
- o["Use Sleeping Threads"] = Option(false);
+ o["Use Sleeping Threads"] = Option(true);
o["Hash"] = Option(32, 1, 8192, on_hash_size);
o["Clear Hash"] = Option(on_clear_hash);
o["Ponder"] = Option(true);