time_get_ns
start_time = time_get_ns();
max_cnt * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll * 64 / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll * 64 / (time_get_ns() - start_time));
start_time = time_get_ns();
cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time));
MAX_CNT * 1000000000ll / (time_get_ns() - start_time));
start_time = time_get_ns();
long long val = time_get_ns();
start_time = time_get_ns();
MAX_CNT * 1000000ll / (time_get_ns() - start_time));