Lorenzo De Carlo Chimienti
Spice-Level implementation and evaluation of the Logic-in-Memory paradigm.
Rel. Mariagrazia Graziano, Marco Vacca, Maurizio Zamboni. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering), 2023
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Abstract
In recent years, the Logic-in-Memory (LiM) paradigm has become a widely explored topic. It is an architectural solution aimed at solving the Von Neumann bottleneck problem, which arises from the existing performance gap between CPU and memory. LiM application may be achieved by placing simple computational elements near or inside the cell of a memory array. In this way, data is locally computed inside the memory itself, leading to faster and less energy-expensive solutions. Doing so, memory arrays become larger to accomodate the additional transistors and the proper memory behavior have to be assured. This thesis explores different LiM cells (in-cell computation) which implement basic bitwise logic operations (i.e.
AND, OR and XOR) between the memorized content and an external input signal
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