Table 2 Representative works on error mitigation in AIMC systems and quantitative benchmarks

From: Achieving high precision in analog in-memory computing systems

Authors

Year

Technique

Main result

Hu et al.77

2016

Slicing

7-bit computation on 4-bit primitive by binary slicing (+3 bits)

Shafiee et al.76

2016

Slicing

16-bit computation by binary matrix and input slicing (+15 bits)

Ankit et al.80

2019

Slicing

16-bit computation by binary matrix and input slicing (+15 bits)

Pedretti et al.79

2021

Slicing

11-bit weight precision on 4-bit memory by analog slicing (+7 bits)

Le Gallo et al.75

2022

Slicing

Binary slicing optimization for bit-width and drift mitigation

Khaddam-Aljameh et al.13

2022

Slicing

7-bit input slicing by PWM with time-to-digital readout

Jiang et al.74

2022

Slicing

Analog input slicing with capacitive readout and PWM generation

Song et al.21

2024

Slicing

Arbitrary precision on 3-bit memory by analog slicing (≈ +13 bits)

Salamat et al.94

2018

RNS

Simulated 16-bit accuracy on 6-bit analog CBA (+10 bits)

Roohi et al.95

2021

RNS

Simulated 16-bit accuracy on 5-bit digital CBA (+11 bits)

Demirkiran et al.85

2024

RNS

FP32 inference accuracy on 6-bit analog primitives (≈ +18 bit)

Niu et al.107

2012

ECC

Bit-level CBA protection by Hamming code-based ECC

Feinberg et al.109

2018

ECC

16-bit compute-level protection by ABN ECC

Li, Roth et al.66

2020

ECC

Correction of outlying errors by fully-analog ECC

Li, Read et al.110

2022

ECC

In situ analog/digital AN code-based ECC for MSB correction

Parrini et al.136

2024

ECC

4-bit weight protection by analog ECC

Le Gallo et al.49

2018

IRF

10−6 solution accuracy with 4-bit AIMC primitive (+16 bits)

Feinberg et al.125

2021

IRF

In situ preconditioning by AIMC IMVM

Kalantzis, Gupta et al.127

2021

IRF

AIMC-preconditioned linear system solution by Richardson iteration

Wu et al.129

2023

IRF

AIMC-tailored iterative update algorithm

Kalantzis, Squillante et al.128

2023

IRF

AIMC-preconditioned linear system solution by GMRES algorithm

Li, Xue et al.124

2025

IRF

10−10 accuracy with fully-analog iterative AIMC solver