Company Filing History:
Years Active: 1979-1994
Title: Innovator Patrick M. Gannon: Advancing Multi-Level Machine Architectures
Introduction: Patrick M. Gannon is a prolific inventor based in Poughkeepsie, NY, known for his significant contributions to the field of computer architecture. With a total of seven patents to his name, Gannon's innovations focus primarily on improving system efficiencies in multi-level virtual machines and data coherence in processor caches.
Latest Patents: Gannon's latest patents include groundbreaking technologies that enhance the performance of multi-level machine systems. One of his notable inventions is the "Apparatus and Method for TLB Purge Reduction in a Multi-Level Machine." This system addresses the inefficiencies of purging translation lookaside buffer (TLB) entries that can occur when underlying page table entries are invalidated. By minimizing the purging required as a result of invalidate page table entry (IPTE) instructions, Gannon's invention significantly increases overall system performance in environments running multiple virtual machines.
Another significant patent is the "Coherence Control by Data Invalidation in Selected Processor Caches." This technology introduces a coherence directory that manages data coherence in private processor caches across multiple processors. The system operates with or without shared second-level (L2) caches and diverts the need for additional L2 directories, providing an efficient mechanism for maintaining data consistency.
Career Highlights: Gannon's career is marked by his affiliation with the International Business Machines Corporation (IBM), where he has contributed to a wide array of advancements in computer technology. His expertise in virtual machine operations and data coherence has placed him at the forefront of innovation within his company.
Collaborations: Throughout his career, Gannon has collaborated with esteemed colleagues in the field, such as Peter H. Gum and Roger E. Hough. These partnerships have fostered an environment of creativity and innovation, leading to numerous successful projects and patents.
Conclusion: Patrick M. Gannon's work exemplifies the critical role of inventors in shaping modern technology. Through his innovative patents, he has made significant strides in enhancing the performance and efficiency of computing systems. As the landscape of computer architecture continues to evolve, Gannon's contributions will undoubtedly continue to influence future advancements.
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