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Detailed insight into approximate circuits with error-responsive information flow tracking

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Titel: Detailed insight into approximate circuits with error-responsive information flow tracking
Autoren: Schammer, Lutz, Martino, Gianluca, Garcia-Ortiz, Alberto, Fey, Görschwin
Quelle: IT - Information Technology. 66(4-5):147-158
Verlagsinformationen: 2024.
Publikationsjahr: 2024
Schlagwörter: approximate circuits | design understanding | IFT
Beschreibung: A significant challenge hindering the widespread adoption of approximate hardware units is the complexity associated with test and error evaluation. We address this issue by extending Information Flow Tracking (IFT) for hardware designs to accommodate approximate units. Unlike conventional IFT approaches, our system employs a dynamic, error-responsive tag-based mechanism that facilitates tracking the error characteristics and their propagation within approximate units. Such an approach is vital in the domain of approximate computing, where uncommon yet substantial errors, such as those found in Equal Segmentation Adders (ESA), can markedly influence computation accuracy and reliability. By focusing on the dynamic nature of errors and their traceability, our methodology supports understanding the effects of approximation errors, thereby promoting their broader utilisation in various applications. The results of our study demonstrate the potential of analysing error propagation in approximate designs.
Publikationsart: Article
Sprache: English
ISSN: 1611-2776
Dokumentencode: edsair.dris...01170..d04ecb5536bbb1f5f98a0676d65c9311
Datenbank: OpenAIRE
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  Data: Detailed insight into approximate circuits with error-responsive information flow tracking
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  Data: <searchLink fieldCode="AR" term="%22Schammer%2C+Lutz%22">Schammer, Lutz</searchLink><br /><searchLink fieldCode="AR" term="%22Martino%2C+Gianluca%22">Martino, Gianluca</searchLink><br /><searchLink fieldCode="AR" term="%22Garcia-Ortiz%2C+Alberto%22">Garcia-Ortiz, Alberto</searchLink><br /><searchLink fieldCode="AR" term="%22Fey%2C+Görschwin%22">Fey, Görschwin</searchLink>
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  Data: <i>IT - Information Technology</i>. 66(4-5):147-158
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  Data: A significant challenge hindering the widespread adoption of approximate hardware units is the complexity associated with test and error evaluation. We address this issue by extending Information Flow Tracking (IFT) for hardware designs to accommodate approximate units. Unlike conventional IFT approaches, our system employs a dynamic, error-responsive tag-based mechanism that facilitates tracking the error characteristics and their propagation within approximate units. Such an approach is vital in the domain of approximate computing, where uncommon yet substantial errors, such as those found in Equal Segmentation Adders (ESA), can markedly influence computation accuracy and reliability. By focusing on the dynamic nature of errors and their traceability, our methodology supports understanding the effects of approximation errors, thereby promoting their broader utilisation in various applications. The results of our study demonstrate the potential of analysing error propagation in approximate designs.
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