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Mark Johnson

Researcher at IBM

Publications -  62
Citations -  1666

Mark Johnson is an academic researcher from IBM. The author has contributed to research in topics: Optical fiber & Vector processor. The author has an hindex of 23, co-authored 62 publications receiving 1655 citations. Previous affiliations of Mark Johnson include General Electric & Citibank.

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Patent

Method and system in a data processing system for loading and storing vectors in a plurality of modes

TL;DR: In this paper, a vector having a plurality of elements is stored in an input storage area, wherein the vector elements are stored in a first pattern, and the elements are transferred, in first order, from the input storage areas into a vector register interface unit.
Patent

Method and apparatus for providing full duplex and multipoint IP audio streaming

TL;DR: A conference server enables collaborative communications among a variety of client processes of varying configurations all operatively coupled over a computer network to each other and to the server as mentioned in this paper, where the server receives audio streams from participating client processes in a conference, selects which audio streams are active, and broadcasts one or more of the active audio streams to the client processes participating in the conference depending on the clients receiving capabilities and the conference parameters.
Patent

Method and system for dynamically reconfiguring a register file in a vector processor

TL;DR: In this article, a controller is coupled to a plurality of registers arranged in an array having a physical configuration of N rows of registers and M columns of registers, and a size register within the controller is provided for receiving a selected vector size parameter, which specifies a number of registers comprising a vector register.
Patent

Method and apparatus for controlling power and performance in a multiprocessing system according to customer level operational requirements

TL;DR: In this article, a method and controller for managing power and performance of a multiprocessor (MP) system is described, where the controller receives sensor data corresponding to physical parameters within the MP system.
Patent

Method and system for providing a single-instruction, multiple-data execution unit for performing single-instruction, multiple-data operations within a superscalar data processing system

TL;DR: A single-instruction, multiple-data (SIMD) execution unit for use in conjunction with a superscalar data processing system is provided in this article, where a branch execution unit fetches instructions from memory and dispatches vector processing instructions to the SIMD execution unit via the instruction bus.