As the age of big data is coming round, the effective data processing becomes a challenging task. To deepen understanding of the staff of international advanced research, the company invited Professor Sun Hexian, the head of department of computer science in Illinois Institute of Technology, to give speech on it. Focusing on “memory wall”, Professor Sun covered how to use concurrent mechanism to enhance memory access efficiency and the assessment mechanism of memory access efficiency in concurrent mechanism in depth. Professor Sun also delivered a speech on the latest research results of Concurrence I/0.