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international conference on computer design | 1994

AS/400 64-bit powerPC-compatible processor implementation

John Michael Borkenhagen; Glen Howard Handlogten; John D. Irish; Sheldon B. Levenstein

An implementation of the 64-bit PowerPC Architecture optimized for the IBM AS/400 commercial environment is described. This 64-bit BiCMOS semicustom implementation runs at a clock rate of 170 MHz. The processor features a 4-way superscalar pipelined fixed point unit which can dispatch and execute up to 4 instructions each cycle, a floating point unit with a peak rate of 500 MFLOPs, 8-Kbyte L0 instruction cache, 256-Kbyte L1 cache, and support for 64-Gbyte of main storage. A 4-way rightly-coupled symmetric multi-processor system is one of several configurations supported by this implementation.<<ETX>>


Archive | 1990

System for aligning bytes of variable multi-bytes length operand based on alu byte length and a number of unprocessed byte data

Russell D. Hoover; John D. Irish; David Wesley Sollender


Archive | 2001

Internet authentication with multiple independent certificate authorities

Stephen Paul Morgan; John D. Irish; Frank Michael Pittelli; Michael David Varga


Archive | 1999

Peer-to-peer cache moves in a multiprocessor data processing system

Donald Lee Freerksen; Gary Michael Lippert; John D. Irish


Archive | 2006

Method and apparatus for tracking command order dependencies

John D. Irish; Chad B. McBride


Archive | 1994

Abridged virtual address cache directory

David John Krolak; Lyle Edwin Grosbach; Sheldon B. Levenstein; John D. Irish


Archive | 2002

Method and apparatus for implementing cache state as history of read/write shared data

Jeffrey Douglas Brown; John D. Irish; Steven R. Kunkel


Archive | 1999

Programmable SRAM and DRAM cache interface with preset access priorities

John Michael Borkenhagen; Gerald Gregory Fagerness; John D. Irish; David John Krolak


Archive | 1996

Multi-entry fully associative transition cache

Donald Lee Freerksen; Farnaz Mounes-Toussi; Peder James Paulson; John D. Irish; Lyle Edwin Grosbach


Archive | 2003

Method and apparatus for implementing actions based on packet classification and lookup results

John D. Irish; Ibrahim A. Ouda; James A. Steenburgh; Jason Andrew Thompson

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