High Accuracy Approximate Restoring Divider

Seo, Jihee; Kim, Young‐Min

doi:10.1109/icce-asia53811.2021.9641911

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2023

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“…The proposed approximation design is error configurable and can be used for both signed and unsigned integers. In this paper [25], researchers presented an approximate model for recovering a divider. To improve the accuracy over other existing approximate dividers, they designed the divider unit to produce a truth table similar to the accurate divider.…”

Section: Previous Workmentioning

confidence: 99%

QIAD: A quadratic interpolation approximate divider

Liu

Wang

Liu

2023

IEICE Electron. Express

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The balance between computational performance and power consumption is a key constraint in computing systems, with integrated circuit technology posing a bottleneck. Approximate computation can trade off accuracy for performance or power improvement in error-tolerant scenarios. Division, with high computational demands and latency, is a bottleneck for computational efficiency. We propose a quadratic interpolation approximate divider (QIAD) based on multiplicative division, which has superior statistical performance. The design is simulated and synthesized at TSMC 65 nm process and tested on image color quantization, showing the best quantization effect using evaluation indicators such as PSNR, MSE, and SSIM.

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Section: Previous Workmentioning

confidence: 99%