Yuyang Jin is a Ph.D. student at the Department of Computer Science and Technology, Tsinghua University. His research focuses on high performance computing, especially performance analysis and optimization for large-scale parallel applications. He received his bachelor’s degree from Beijing Institute of Technology in 2017. His current research interest is performance analysis and optimization. His rencent researches focus on performance tools, including ScalAna, BaguaTool and PerFlow. His work ScalAna has been published in Proceedings of the International Conference for High Perfor-mance Computing, Networking, Storage and Analysis (SC’20).