// 保存SSD值用于调试if (ssd_debug != nullptr) {{ssd_debug[dy_idx * WINDOW_SIZE + dx_idx] = ssd;}}// 原子操作更新最小SSD和位置while (true) {{unsigned int current_min = *min_ssd;if (ssd >= current_min) break;if (atomicCAS(min_ssd, current_min, ssd) == current_min) {{// 使用原子操作同时更新dx和dy，确保一致性*best_dx = dx_idx;*best_dy = dy_idx;break;}}}}
还要改进
cup多线程计算结果准确但是时间从3s变成58s