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Design, Implementation and Evaluation of a Low Redundant Error Correction Code
The continuous raise in the integration scale of CMOS technology has provoked an augment in the fault rate. Particularly, computer memory is affected by Single Cell Upsets (SCU) and Multiple Cell Upsets (MCU). A common method to tolerate errors in this element is the use of Error Correction Codes (E...
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Published in: | Revista IEEE América Latina 2021-11, Vol.19 (11), p.1903-1911 |
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container_end_page | 1911 |
container_issue | 11 |
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container_title | Revista IEEE América Latina |
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creator | Gracia-Moran, Joaquin Saiz Adalid, Luis J. Baraza Calvo, Juan Carlos Gil Tomas, Daniel Gil Vicente, Pedro J. |
description | The continuous raise in the integration scale of CMOS technology has provoked an augment in the fault rate. Particularly, computer memory is affected by Single Cell Upsets (SCU) and Multiple Cell Upsets (MCU). A common method to tolerate errors in this element is the use of Error Correction Codes (ECC). The addition of an ECC introduces a series of overheads: silicon area, power consumption and delay overheads of encoding and decoding circuits, as well as several extra bits added to allow detecting and/or correcting errors. ECC can be designed with different parameters in mind: low redundancy, low delay, error coverage, etc. The idea of this paper is to study the effects produced when adding an ECC to a microprocessor with respect to overheads. Usually, ECC with different characteristics are continuously proposed. However, a great quantity of these proposals only present the ECC, not showing its behavior when using them in a microprocessor. In this work, we present the design of an ECC whose main characteristic is a low number of code bits (low redundancy). Then, we study the overhead this ECC introduces. Firstly, we show a study of silicon area, delay and power consumption of encoder and decoder circuits, and secondly, how the addition of this ECC affects to a RISC microprocessor. |
doi_str_mv | 10.1109/TLA.2021.9475624 |
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Particularly, computer memory is affected by Single Cell Upsets (SCU) and Multiple Cell Upsets (MCU). A common method to tolerate errors in this element is the use of Error Correction Codes (ECC). The addition of an ECC introduces a series of overheads: silicon area, power consumption and delay overheads of encoding and decoding circuits, as well as several extra bits added to allow detecting and/or correcting errors. ECC can be designed with different parameters in mind: low redundancy, low delay, error coverage, etc. The idea of this paper is to study the effects produced when adding an ECC to a microprocessor with respect to overheads. Usually, ECC with different characteristics are continuously proposed. However, a great quantity of these proposals only present the ECC, not showing its behavior when using them in a microprocessor. In this work, we present the design of an ECC whose main characteristic is a low number of code bits (low redundancy). Then, we study the overhead this ECC introduces. 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Particularly, computer memory is affected by Single Cell Upsets (SCU) and Multiple Cell Upsets (MCU). A common method to tolerate errors in this element is the use of Error Correction Codes (ECC). The addition of an ECC introduces a series of overheads: silicon area, power consumption and delay overheads of encoding and decoding circuits, as well as several extra bits added to allow detecting and/or correcting errors. ECC can be designed with different parameters in mind: low redundancy, low delay, error coverage, etc. The idea of this paper is to study the effects produced when adding an ECC to a microprocessor with respect to overheads. Usually, ECC with different characteristics are continuously proposed. However, a great quantity of these proposals only present the ECC, not showing its behavior when using them in a microprocessor. In this work, we present the design of an ECC whose main characteristic is a low number of code bits (low redundancy). 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subjects | Circuits CMOS Coders Decoding Delay Error correction Error correction & detection Error Correction Code Error correction codes Fault-Tolerant Systems Irrigation Low Redundancy Microprocessors Multiple Cell Upsets Power consumption Reduced instruction set computing Redundancy Reliability Signal to noise ratio Silicon Silicon compounds Single Cell Upsets |
title | Design, Implementation and Evaluation of a Low Redundant Error Correction Code |
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