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John L. Hennessy. John Leroy Hennessy (born September 22, 1952) is an American computer scientist who is chairperson of Alphabet Inc. (Google). [ 8] Hennessy is one of the founders of MIPS Technologies and Atheros, and also the tenth President of Stanford University. Hennessy announced that he would step down in the summer of 2016.
DLX. The DLX (pronounced "Deluxe") is a RISC processor architecture designed by John L. Hennessy and David A. Patterson, the principal designers of the Stanford MIPS and the Berkeley RISC designs (respectively), the two benchmark examples of RISC design (named after the Berkeley design). The DLX is essentially a cleaned up (and modernized ...
MMIX. MMIX (pronounced em-mix) is a 64-bit reduced instruction set computing (RISC) architecture designed by Donald Knuth, with significant contributions by John L. Hennessy (who contributed to the design of the MIPS architecture) and Richard L. Sites (who was an architect of the Alpha architecture). Knuth has said that,
In 1981, John L. Hennessy began the Microprocessor without Interlocked Pipeline Stages project at Stanford University to investigate reduced instruction set computer (RISC) technology. The results of his research convinced him of the future commercial potential of the technology, and in 1984, he took a sabbatical to found MIPS Computer Systems .
The RISC computer usually has many (16 or 32) high-speed, general-purpose registers with a load–store architecture in which the code for the register-register instructions (for performing arithmetic and tests) are separate from the instructions that grant access to the main memory of the computer. The design of the CPU allows RISC computers ...
In computer science and computer engineering, computer architecture is a description of the structure of a computer system made from component parts. [ 1] It can sometimes be a high-level description that ignores details of the implementation. [ 2] At a more detailed level, the description may include the instruction set architecture design ...
Machine code. In computer science, an instruction set architecture ( ISA) is an abstract model that generally defines how software controls the CPU in a computer or a family of computers. [ 1] A device or program that executes instructions described by that ISA, such as a central processing unit (CPU), is called an implementation of that ISA.
GNU MDK is one such software package; it is free and runs on a wide variety of platforms. Their purpose for education is quite similar to John L. Hennessy 's and David A. Patterson 's DLX architecture, from Computer Organization and Design - The Hardware Software Interface .