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Increasing throughput of multiplexed electrical bus in pipe-lined architecture

United States Patent

May 27, 2014
View the Complete Patent at the US Patent & Trademark Office
Techniques are disclosed for increasing the throughput of a multiplexed electrical bus by exploiting available pipeline stages of a computer or other system. For example, a method for increasing a throughput of an electrical bus that connects at least two devices in a system comprises introducing at least one signal hold stage in a signal-receiving one of the two devices, such that a maximum frequency at which the two devices are operated is not limited by a number of cycles of an operating frequency of the electrical bus needed for a signal to propagate from a signal-transmitting one of the two devices to the signal-receiving one of the two devices. Preferably, the signal hold stage introduced in the signal-receiving one of the two devices is a pipeline stage re-allocated from the signal-transmitting one of the two devices.
Asaad; Sameh (Briarcliff Manor, NY), Brezzo; Bernard V. (Somers, NY), Kapur; Mohit (Sleepy Hollow, NY)
International Business Machines Corporation (Armonk, NY)
13/ 236,109
September 19, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with Government support under Contract No.: B554331 awarded by the Department of Energy. The Government has certain rights in this invention.