Results 21 to 30 of about 320,911 (294)

Low Power Optimisations for IoT Wearable Sensors Based on Evaluation of Nine QRS Detection Algorithms

open access: yesIEEE Open Journal of Circuits and Systems, 2020
This paper aims to reduce the power consumption of electrocardiography based wearable healthcare devices, by introducing power reduction approaches and considerations at system level design, where we have the highest potential to influence power.
Jiamin Li   +5 more
doaj   +1 more source

Estimating the Performance of Computing Clusters without Accelerators Based on TOP500 Results

open access: yesMathematics, 2022
Based on an analysis of TOP500 results, a functional dependence of the performance of clusters without accelerators according to the Linpack benchmark on their parameters was determined.
Vladimir O. Rybintsev
doaj   +1 more source

Cognitive Resources in Working Memory: Domain-Specific or General?

open access: yesBehavioral Sciences, 2022
An experiment in the dual-task paradigm was carried out to explore the nature of domain-specific and domain-general resource distribution in working memory.
Anna Izmalkova   +4 more
doaj   +1 more source

Position Paper:Defending Direct Memory Access with CHERI Capabilities [PDF]

open access: yesHardware and Architectural Support for Security and Privacy, 2020
We propose new solutions that can efficiently address the problem of malicious memory access from pluggable computer peripherals and microcontrollers embedded within a system-on-chip. This problem represents a serious emerging threat to total-system computer security.
Markettos, A Theodore   +5 more
openaire   +1 more source

uDMA: An Efficient User-Level DMA for NVMe SSDs

open access: yesApplied Sciences, 2023
The Non-Volatile Memory Express (NVMe) SSD provides high I/O performance for current computer systems, and direct memory access (DMA) is the critical enabling mechanism for direct I/O. However, the lengthy I/O stack becomes a new bottleneck that degrades
Jinbin Zhu   +3 more
doaj   +1 more source

SoPC-based DMA for PCI Express DAQ Cards [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2021
This paper presents low-cost, configurable PCI Express (PCIe) direct memory access (DMA) interface for implementation on Intel Cyclone V FPGAs. The DMA engine was designed to support DAQ tasks including pre-triggering acquisition for transient analysis ...
Krzysztof Mroczek
doaj   +1 more source

Automatized system of optical measurements of liquid crystal elements with improved output signal characteristics

open access: yesRUDN Journal of Engineering Research, 2022
The article discusses the developed automated system for the research of a liquid crystal cell, which consists of hardware and software parts. Unlike previously developed devices for optical measurements of liquid crystal elements, the automated system ...
Vladimir V. Usachev   +3 more
doaj   +1 more source

Towards automated memory model generation via event tracing [PDF]

open access: yes, 2013
The importance of memory performance and capacity is a growing concern for high performance computing laboratories around the world. It has long been recognized that improvements in processor speed exceed the rate of improvement in dynamic random access ...
Jarvis, S. A.; id_orcid   +14 more
core   +1 more source

KCNQ channels regulate age-related memory impairment:KCNQ regulates age-related memory [PDF]

open access: yes, 2013
In humans KCNQ2/3 heteromeric channels form an M-current that acts as a brake on neuronal excitability, with mutations causing a form of epilepsy. The M-current has been shown to be a key regulator of neuronal plasticity underlying associative memory and
Bilal R Malik   +12 more
core   +1 more source

Refresh Algorithm for Ensuring 100% Memory Availability in Gain-Cell Embedded DRAM Macros

open access: yesIEEE Access, 2021
Gain-cell embedded DRAM (GC-eDRAM) is a dense, low power option for embedded memory implementation, supporting low supply voltages; however, it suffers from limited data retention time (DRT) and requires periodic refresh operations, limiting its use only
Roman Golman   +4 more
doaj   +1 more source

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