- if (string(argv[1]) != "bench" || argc < 4 || argc > 7)
- cout << "Usage: stockfish bench <hash size> <threads> "
- << "[time = 60s] [fen positions file = default] "
- << "[time, depth or node limited = time]" << endl;
+ // Print copyright notice
+ cout << engine_name()
+ << " by Tord Romstad, Marco Costalba, Joona Kiiski" << endl;
+
+ if (CpuHasPOPCNT)
+ cout << "Good! CPU has hardware POPCNT." << endl;
+
+ // Wait for a command from the user, and passes this command to
+ // execute_uci_command() and also intercepts EOF from stdin, by
+ // translating EOF to the "quit" command. This ensures that we
+ // exit gracefully if the GUI dies unexpectedly.
+ string cmd;
+
+ do {
+ // Wait for a command from stdin
+ if (!getline(cin, cmd))
+ cmd = "quit";
+
+ } while (execute_uci_command(cmd));
+ }
+ else // Process command line arguments
+ {
+ if (string(argv[1]) != "bench" || argc > 7)
+ cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+ << "[limit = 12] [fen positions file = default] "
+ << "[depth, time, perft or node limited = depth]" << endl;