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Design and Implementation of SIMD Unaligned Memory Access Structure [PDF]

open access: yesJisuanji gongcheng, 2016
Single Instruction Multiple Data(SIMD) is an effective approach to realize data level parallelism,but accessing unaligned data seriously affects vectorization of the program and causes processor performance degradation.In order to reduce the latency of ...
YU Chenglong,WANG Yongwen
doaj   +1 more source

Optimization of data allocation in hierarchical memory for blocked shortest paths algorithms

open access: yesСистемный анализ и прикладная информатика, 2021
This paper is devoted to the reduction of data transfer between the main memory and direct mapped cache for blocked shortest paths algorithms (BSPA), which represent data by a D[M×M] matrix of blocks.
A. A. Prihozhy
doaj   +1 more source

Reliability Analysis of the LEON3 Memory Subsystem Under Single-Event Upsets: Cache, AHB Interface, and Memory Controller Vulnerability

open access: yesInformation
This paper presents a register-transfer-level (RTL) fault injection study of the LEON3 processor’s internal memory subsystem under single-event upsets (SEUs). The analysis targets four key components: the instruction cache (I-cache), data cache (D-cache),
Afef Kchaou, Sehmi Saad, Hatem Garrab
doaj   +1 more source

Tuning the cache memory usage in tomographic reconstruction on standard computers with Advanced Vector eXtensions (AVX)

open access: yesData in Brief, 2015
Cache blocking is a technique widely used in scientific computing to minimize the exchange of information with main memory by reusing the data kept in cache memory.
Jose-Ignacio Agulleiro   +1 more
doaj   +1 more source

Impact of Memory Hierarchy on Memory Encryption Performance

open access: yesIEEE Access
Memory encryption with authentication protects critical applications from attackers with physical access. Memory encryption introduces memory access latency overhead due to the cryptographic computations and metadata accesses in DRAM.
Viktor V. Prutyanov   +4 more
doaj   +1 more source

Memory Caching: RNNs with Growing Memory

open access: yesCoRR
Transformers have been established as the de-facto backbones for most recent advances in sequence modeling, mainly due to their growing memory capacity that scales with the context length. While plausible for retrieval tasks, it causes quadratic complexity and so has motivated recent studies to explore viable subquadratic recurrent alternatives ...
Ali Behrouz   +5 more
openaire   +2 more sources

A Sampling Algorithm for Software Prefetching Using Memory Access Traces [PDF]

open access: yesJisuanji gongcheng
Software prefetching, an important technology for improving data access performance, has received widespread attention and has been used in several applications.
LIU Daxing, GU Naijie, HUANG Zhangjin, SU Junjie, QI Dongsheng
doaj   +1 more source

Defending Against Flush+Reload Attack With DRAM Cache by Bypassing Shared SRAM Cache

open access: yesIEEE Access, 2020
Cache side-channel attack is one of the critical security threats to modern computing systems. As a representative cache side-channel attack, Flush+Reload attack allows an attacker to steal confidential information (e.g., private encryption key) by ...
Minwoo Jang   +3 more
doaj   +1 more source

A Simple Cache Emulator for Evaluating Cache Behavior for SMP Systems

open access: yesActa Polytechnica, 2006
Every modern CPU uses a complex memory hierarchy, which consists of multiple cache memory levels. It is very difficult to predict the behavior of this hierarchy for a given program (for details see [1, 2]).
I. Šimeček
doaj  

A Hierarchical Cache Architecture-Oriented Cache Management Scheme for Information-Centric Networking

open access: yesFuture Internet
Information-Centric Networking (ICN) typically utilizes DRAM (Dynamic Random Access Memory) to build in-network cache components due to its high data transfer rate and low latency. However, DRAM faces significant limitations in terms of cost and capacity,
Yichao Chao, Rui Han
doaj   +1 more source

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