An example of a MISD machine might be something like a systolic array, which is a kind of array. A pipeline network or "wavefront" of data processing units that is organised as a network might be referred to as a systolic array. Since the receipt of new data is what initiates execution, none of these components need the employment of a program counter in order to function properly. Each individual unit in a timed systolic array computes in "lock-step," meaning that within the course of a single clock cycle, each individual unit finishes alternating stages of computation and communication.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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**Understanding MISD Machines and Systolic Arrays**

An example of a MISD (Multiple Instruction, Single Data) machine might be something like a systolic array, which is a type of array. A pipeline network or "wavefront" of data processing units organized as a network might be referred to as a systolic array.

**Key Concepts:**

- **Execution Triggered by Data:** The receipt of new data initiates execution, eliminating the need for a program counter.
- **Lock-Step Computation:** Each unit in a timed systolic array computes in "lock-step," meaning in a single clock cycle, each unit alternates between computation and communication stages.

In this framework, systolic arrays enable efficient data processing by synchronizing operations across multiple units, enhancing parallel processing capabilities.
Transcribed Image Text:**Understanding MISD Machines and Systolic Arrays** An example of a MISD (Multiple Instruction, Single Data) machine might be something like a systolic array, which is a type of array. A pipeline network or "wavefront" of data processing units organized as a network might be referred to as a systolic array. **Key Concepts:** - **Execution Triggered by Data:** The receipt of new data initiates execution, eliminating the need for a program counter. - **Lock-Step Computation:** Each unit in a timed systolic array computes in "lock-step," meaning in a single clock cycle, each unit alternates between computation and communication stages. In this framework, systolic arrays enable efficient data processing by synchronizing operations across multiple units, enhancing parallel processing capabilities.
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