AccelCIM: Systematic Dataflow Exploration for SRAM Compute-in-Memory Accelerator

Fuente: arXiv
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Autores principales: Xue, Chenhao, Wang, Yukun, Guo, An, Shi, Yuhui, Zhou, Jinwei, Dong, Xiping, Yin, Yihan, Zhang, Yuanpeng, Jia, Tianyu, Gao, Wei, Wu, Qiang, Si, Xin, Yang, Jun, Sun, Guangyu
Formato: Preprint
Publicado: 2026
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author Xue, Chenhao
Wang, Yukun
Guo, An
Shi, Yuhui
Zhou, Jinwei
Dong, Xiping
Yin, Yihan
Zhang, Yuanpeng
Jia, Tianyu
Gao, Wei
Wu, Qiang
Si, Xin
Yang, Jun
Sun, Guangyu
author_facet Xue, Chenhao
Wang, Yukun
Guo, An
Shi, Yuhui
Zhou, Jinwei
Dong, Xiping
Yin, Yihan
Zhang, Yuanpeng
Jia, Tianyu
Gao, Wei
Wu, Qiang
Si, Xin
Yang, Jun
Sun, Guangyu
contents SRAM-based compute-in-memory (CIM) offers high computational density and energy efficiency for deep neural network (DNN) accelerators, but its limited capacity causes on/off-chip data movement overhead for large DNN models. Existing CIM accelerator studies typically assume that DNN models fit entirely on-chip, leaving efficient dataflow design largely untapped. This paper introduces AccelCIM, a systematic dataflow exploration framework for SRAM CIM accelerator, which addresses two key limitations of prior work. (1) It formulates a systematic dataflow design space spanning CIM macro configurations and macro-array organizations. (2) It introduces rigorous design evaluation using cycle-accurate architectural simulation and post-layout PPA analysis. We conduct an extensive design space exploration and apply AccelCIM to representative LLM applications, providing practical insights for the principled design of CIM accelerators.
format Preprint
id arxiv_https___arxiv_org_abs_2604_17692
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle AccelCIM: Systematic Dataflow Exploration for SRAM Compute-in-Memory Accelerator
Xue, Chenhao
Wang, Yukun
Guo, An
Shi, Yuhui
Zhou, Jinwei
Dong, Xiping
Yin, Yihan
Zhang, Yuanpeng
Jia, Tianyu
Gao, Wei
Wu, Qiang
Si, Xin
Yang, Jun
Sun, Guangyu
Hardware Architecture
SRAM-based compute-in-memory (CIM) offers high computational density and energy efficiency for deep neural network (DNN) accelerators, but its limited capacity causes on/off-chip data movement overhead for large DNN models. Existing CIM accelerator studies typically assume that DNN models fit entirely on-chip, leaving efficient dataflow design largely untapped. This paper introduces AccelCIM, a systematic dataflow exploration framework for SRAM CIM accelerator, which addresses two key limitations of prior work. (1) It formulates a systematic dataflow design space spanning CIM macro configurations and macro-array organizations. (2) It introduces rigorous design evaluation using cycle-accurate architectural simulation and post-layout PPA analysis. We conduct an extensive design space exploration and apply AccelCIM to representative LLM applications, providing practical insights for the principled design of CIM accelerators.
title AccelCIM: Systematic Dataflow Exploration for SRAM Compute-in-Memory Accelerator
topic Hardware Architecture
url https://arxiv.org/abs/2604.17692