The DRAM latency PUF: Quickly evaluating physical unclonable functions by exploiting the latency-reliability tradeoff in modern commodity DRAM devices

JS Kim, M Patel, H Hassan… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Physically Unclonable Functions (PUFs) are commonly used in cryptography to identify
devices based on the uniqueness of their physical microstructures. DRAM-based PUFs have …

Understanding latency variation in modern DRAM chips: Experimental characterization, analysis, and optimization

KK Chang, A Kashyap, H Hassan, S Ghose… - Proceedings of the …, 2016 - dl.acm.org
Long DRAM latency is a critical performance bottleneck in current systems. DRAM access
latency is defined by three fundamental operations that take place within the DRAM cell …

Figaro: Improving system performance via fine-grained in-dram data relocation and caching

Y Wang, L Orosa, X Peng, Y Guo… - 2020 53rd Annual …, 2020 - ieeexplore.ieee.org
Main memory, composed of DRAM, is a performance bottleneck for many applications, due
to the high DRAM access latency. In-DRAM caches work to mitigate this latency by …

Adaptive-latency DRAM: Optimizing DRAM timing for the common-case

D Lee, Y Kim, G Pekhimenko, S Khan… - 2015 IEEE 21st …, 2015 - ieeexplore.ieee.org
In current systems, memory accesses to a DRAM chip must obey a set of minimum latency
restrictions specified in the DRAM standard. Such timing parameters exist to guarantee …

HiRA: Hidden row activation for reducing refresh latency of off-the-shelf DRAM chips

AG Yağlikçi, A Olgun, M Patel, H Luo… - 2022 55th IEEE/ACM …, 2022 - ieeexplore.ieee.org
DRAM is the building block of modern main memory systems. DRAM cells must be
periodically refreshed to prevent data loss. Refresh operations degrade system performance …

ChargeCache: Reducing DRAM latency by exploiting row access locality

H Hassan, G Pekhimenko, N Vijaykumar… - … Symposium on High …, 2016 - ieeexplore.ieee.org
DRAM latency continues to be a critical bottleneck for system performance. In this work, we
develop a low-cost mechanism, called Charge Cache, that enables faster access to recently …

What your DRAM power models are not telling you: Lessons from a detailed experimental study

S Ghose, AG Yaglikçi, R Gupta, D Lee… - Proceedings of the …, 2018 - dl.acm.org
Main memory (DRAM) consumes as much as half of the total system power in a computer
today, due to the increasing demand for memory capacity and bandwidth. There is a …

Design-induced latency variation in modern DRAM chips: Characterization, analysis, and latency reduction mechanisms

D Lee, S Khan, L Subramanian, S Ghose… - Proceedings of the …, 2017 - dl.acm.org
Variation has been shown to exist across the cells within a modern DRAM chip. Prior work
has studied and exploited several forms of variation, such as manufacturing-process-or …

SoftMC: A flexible and practical open-source infrastructure for enabling experimental DRAM studies

H Hassan, N Vijaykumar, S Khan… - … Symposium on High …, 2017 - ieeexplore.ieee.org
DRAM is the primary technology used for main memory in modern systems. Unfortunately,
as DRAM scales down to smaller technology nodes, it faces key challenges in both data …

Solar-DRAM: Reducing DRAM access latency by exploiting the variation in local bitlines

J Kim, M Patel, H Hassan… - 2018 IEEE 36th …, 2018 - ieeexplore.ieee.org
DRAM latency is a major bottleneck for many applications in modern computing systems. In
this work, we rigorously characterize the effects of reducing DRAM access latency on 282 …