Approximate synthesis for LUT count reduction via probabilistic error propagation

Schlögl T, Keszocze O (2025)


Publication Type: Journal article

Publication year: 2025

Journal

DOI: 10.1515/itit-2024-0074

Abstract

Approximate computing is an fast developing area for resource-efficient and fast designs that trades off computational accuracy with non-functional aspects such as delay, energy requirements or area. It can be used for applications where it is acceptable to compute inaccurate results such as image processing. A lot of work has been published on approximate synthesis for ASICs. As FPGAs are becoming more prevalent, approximation techniques for this technology should be developed. Lookup tables are a scarce resource on FPGAs. Consequently, we present and evaluate multiple approaches for reducing the number of lookup tables required to implement a given design on an FPGA. Our approaches work by removing either wires or entire lookup tables from a lookup table network. We can show that our approach is faster than related work while removing a comparable number of lookup tables (more in most cases).

Authors with CRIS profile

Involved external institutions

How to cite

APA:

Schlögl, T., & Keszocze, O. (2025). Approximate synthesis for LUT count reduction via probabilistic error propagation. it - Information Technology. https://doi.org/10.1515/itit-2024-0074

MLA:

Schlögl, Thomas, and Oliver Keszocze. "Approximate synthesis for LUT count reduction via probabilistic error propagation." it - Information Technology (2025).

BibTeX: Download