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Published at November 27

QUADOL: A Quality-Driven Approximate Logic Synthesis Method Exploiting Dual-Output LUTs for Modern FPGAs

cs.AR

Released Date: November 27, 2024

Authors: Jian Shi¹, Xuan Wang¹, Chang Meng², Weikang Qian³

Aff.: ¹University of Michigan-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China; ²Integrated Systems Laboratory, EPFL, Lausanne, Switzerland; ³University of Michigan-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China; MoE Key Lab of AI, Shanghai Jiao Tong University, Shanghai, China

Arxiv: http://arxiv.org/abs/2411.18330v1

$I_{5}$	$F$	$G$	LUT $A$	LUT $B$
$x_{i}$	$O_{6}$	$O_{5}$	$F_{x_{i}}$	$\textit{Maj}(F_{\overline{x_{i}}},G_{x_{i}},G_{\overline{x_{i}}})$
$x_{i}$	$O_{5}$	$O_{6}$	$G_{x_{i}}$	$\textit{Maj}(F_{x_{i}},F_{\overline{x_{i}}},G_{\overline{x_{i}}})$
$\overline{x_{i}}$	$O_{6}$	$O_{5}$	$F_{\overline{x_{i}}}$	$\textit{Maj}(F_{x_{i}},G_{x_{i}},G_{\overline{x_{i}}})$
$\overline{x_{i}}$	$O_{5}$	$O_{6}$	$G_{\overline{x_{i}}}$	$\textit{Maj}(F_{x_{i}},F_{\overline{x_{i}}},G_{x_{i}})$
$x_{i}$	$O_{6}$	$O_{6}$	$F_{x_{i}}$ or $G_{x_{i}}$	$F_{\overline{x_{i}}}$ or $G_{\overline{x_{i}}}$
$1$	$O_{6}$	$O_{5}$	$F_{x_{i}}$ or $F_{\overline{x_{i}}}$	$G_{x_{i}}$ or $G_{\overline{x_{i}}}$