ReTagger: An Efficient Controller for DRAM Cache Architectures
ReTagger: An Efficient Controller for DRAM Cache Architectures
复制标题
ReTagger:DRAM 缓存架构的高效控制器
DOI:
10.1145/3316781.3317895
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Nasrullah, Farhan
中科院分区:
文献类型:
--
作者:
Bojnordi, Mahdi Nazm;Nasrullah, Farhan
3D die-stacking has enabled energy-efficient solutions for near data processing by integrating multiple dice of high-density memory layers and processor cores within the same package. One promising approach is to employ the in-package memory as a gigascale last-level cache for data-intensive computing. Most existing in-package cache controllers rely on the command scheduling policies borrowed from the off-chip DRAM system. Regrettably, these control policies are not specifically tailored for in-package cache traffics, which results in a limited bandwidth efficiency. This paper proposes ReTagger, a DRAM cache controller that employs repeated tags to alleviate the cost of DRAM row buffer misses. Our simulation results on a set of ten data-intensive applications indicate an average of 20% performance improvement for the proposed controller over the state-of-the-art DRAM caches.
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