Erik Hagersten

Title: Innovator Spotlight: Erik Hagersten

Introduction

Erik Hagersten is a notable innovator based in Uppsala, Sweden, recognized for his significant contributions to the field of multiprocessor systems. With a remarkable portfolio of 37 patents, Hagersten has made impactful advancements that continue to influence modern computing technologies.

Latest Patents

Hagersten's latest patents focus on enhancing the efficiency and coherence of data management in multiprocessor systems. One such patent is for "Systems and methods for implementing coherent memory in a multiprocessor system." This invention describes a system where data units are stored in private caches of nodes, each containing a processor and cache private to the node, as well as cache location buffers (CLBs). The innovation details a mechanism for maintaining coherence of data units, using a cache coherence protocol to update location information values in response to data unit movements.

Another notable patent by Hagersten is for an "Efficient early ordering mechanism." This invention similarly addresses data management in multiprocessor systems, implementing innovative storage methods within private caches and CLBs, facilitating enhanced data coherence and accessibility across nodes.

Career Highlights

Throughout his career, Erik Hagersten has held influential positions at prominent technology companies, such as Samsung Electronics Co., Ltd. and Sun Microsystems, Inc. His work has significantly contributed to the development of high-performance computing solutions, working at the intersection of hardware and software optimization.

Collaborations

Hagersten has collaborated with esteemed colleagues, including Andreas Sembrant and David Black-Schaffer. These partnerships underscore his commitment to innovation and his ability to work effectively in team environments to push the boundaries of technology.

Conclusion

Erik Hagersten stands out as a leading inventor in the realm of multiprocessor systems. With 37 patents to his name, his contributions significantly enhance data management and processing efficiency in modern computing environments. As technology continues to evolve, the impact of Hagersten's innovations will likely resonate throughout the industry for years to come.