Qichen Zhang

Title: Innovations of Qichen Zhang

Introduction

Qichen Zhang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of computing, particularly in memory management and bandwidth allocation. With a total of two patents to his name, Zhang's work reflects a deep understanding of computer architecture and performance optimization.

Latest Patents

Zhang's latest patents include "Systems and methods for memory bandwidth allocation" and "Management of IOMMU TLB entries for compute units of a SIMD processing device." The first patent describes a computer-implemented method for allocating memory bandwidth among multiple CPU cores in a server. This method involves receiving access requests to a last level cache (LLC) and determining whether these requests result in an LLC hit or miss. The memory bandwidth controller then adjusts the request rate based on this determination, optimizing performance. The second patent outlines a computing system that includes a master and a slave computing device, detailing how the input-output memory management unit (IOMMU) manages virtual addresses and physical addresses to enhance efficiency in data processing.

Career Highlights

Qichen Zhang is currently employed at Alibaba (China) Co., Ltd., where he applies his expertise in computer systems and memory management. His innovative approaches have contributed to advancements in the company's technology offerings.

Collaborations

Zhang has collaborated with notable colleagues such as Lide Duan and Yen-kuang Chen, further enhancing the impact of his work in the field.

Conclusion

Qichen Zhang's contributions to computing through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence advancements in memory management and system performance.