EffiBench-X: A Multi-Language Benchmark for Measuring Efficiency of LLM-Generated Code - Qing, Yuhao; Zhu, Boyu; Du, Mingzhe; Guo, Zhijiang; Zhuo, Terry Yue; Zhang, Qianru; Zhang, Jie; Cui, Heming; Yiu, Siu Ming; HUANG, Dong; Ng, See-Kiong; Luu, Anh Tuan (Advances in Neural Information Processing Systems, 2025)