REMAP+: An Efficient Banking Architecture for Multiple Writes of Algorithmic Memory

Bo Cheng Lai*, Bo Ya Chen, Bo En Chen, Yi Da Hsin

*此作品的通信作者

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

Supporting multiple write ports is one of the main challenges when designing algorithmic multiported memory (AMM). AMM supports concurrent accesses by cooperating multiple, low-complexity memory modules together with logical operations. When scaling the number of write ports, the nontable-based approaches quadratically increase the number of memory modules, whereas the table-based approaches tend to introduce complex lookup tables and access handling logics. In this article, we introduce REMAP+, an efficient banking architecture to support multiple writes. We optimize the pipeline of REMAP+ to achieve high access bandwidth and more efficient table access. We also exploit the structured architecture of REMAP+ and propose a systematic design flow to automate the scaling of write ports and optimization of banking. Comprehensive analysis is presented to reveal the insight into design features and concerns. Based on extensive experiments, we have shown that REMAP+ outperforms the existing write schemes (XOR, live value table (LVT), and REMAP) with higher bandwidth (49%, 50%, 18%), lower energy (28%, 49%, 54%), and smaller area (43%, 37%, 35%).

原文English
文章編號8939326
頁(從 - 到)660-671
頁數12
期刊IEEE Transactions on Very Large Scale Integration (VLSI) Systems
28
發行號3
DOIs
出版狀態Published - 3月 2020

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