Experiments Using a Software-Distributed Shared Memory, MPI and 0MQ over Heterogeneous Computing Resources

Cudennec, Loïc; Trabelsi, Kods

doi:10.1007/978-3-030-71593-9_19

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…Some works, such as [42,43] have proved the technological suitability of ZeroMQ sockets. Furthermore, the literature reports some effort comparing the communication performance of ZeroMQ against similar solutions in [44,45]. These studies proved the suitability of ZeroMQ sockets in performance-sensitive applications.…”

Section: Nep Librariesmentioning

confidence: 92%

NEP+: A Human-Centered Framework for Inclusive Human-Machine Interaction Development

Coronado,

Yamanobe,

Venture

2023

Sensors

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This article presents the Network Empower and Prototyping Platform (NEP+), a flexible framework purposefully crafted to simplify the process of interactive application development, catering to both technical and non-technical users. The name "NEP+" encapsulates the platform’s dual mission: to empower the network-related capabilities of ZeroMQ and to provide software tools and interfaces for prototyping and integration. NEP+ accomplishes this through a comprehensive quality model and an integrated software ecosystem encompassing middleware, user-friendly graphical interfaces, a command-line tool, and an accessible end-user programming interface. This article primarily focuses on presenting the proposed quality model and software architecture, illustrating how they can empower developers to craft cross-platform, accessible, and user-friendly interfaces for various applications, with a particular emphasis on robotics and the Internet of Things (IoT). Additionally, we provide practical insights into the applicability of NEP+ by briefly presenting real-world user cases where human-centered projects have successfully utilized NEP+ to develop robotics systems. To further emphasize the suitability of NEP+ tools and interfaces for developer use, we conduct a pilot study that delves into usability and workload assessment. The outcomes of this study highlight the user-friendly features of NEP+ tools, along with their ease of adoption and cross-platform capabilities. The novelty of NEP+ fundamentally lies in its holistic approach, acting as a bridge across diverse user groups, fostering inclusivity, and promoting collaboration.

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Section: Nep Librariesmentioning

confidence: 92%

NEP+: A Human-Centered Framework for Inclusive Human-Machine Interaction Development

Coronado,

Yamanobe,

Venture

2023

Sensors

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“…However, problems arising in the construction of traditional multiprocessor systems also appear in the design of reconfigurable multiprocessor systems (RMS). In particular, the task on increasing the speed in a "processor-memory" subsystem is still relevant and significant (Cudennec & Trabelsi, 2020).…”

Section: Introductionmentioning

confidence: 99%

Experimental research of a shared memory subsystem with limited queue length for specialized reconfigurable multiprocessor systems

Martyshkin

Martens-Atyushev

2022

Ind. Jour. Manag. & Prod.

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Recently, reconfigurable systems based on field programmable logic devices (FPLDs) have been widely used in high-performance computing. The paper discusses issues related to the experimental research of a shared memory subsystem with a limited queue length of specialized reconfigurable multiprocessor systems using the developed mathematical modelling method. The paper presents the results of the method proposed by the authors for modelling multiprocessor systems based on open queuing networks with limited queue lengths. Based on these conditions, as well as the architectural features of the investigated processor-memory subsystem, expressions are calculated to estimate the exchange time and the resulting delays at each exchange stage. During the research, the main attention was paid to the dependence of the increase in the number of processor nodes in the processor-memory subsystem. As a result, the data obtained showed that the processor growth significantly affects the exchange time, creating a significant load on the common bus, as well as increasing delays at the stages when request transfer operation from the processor to the memory is performed. At the same time, the inadequate behaviour of experimental results and inaccuracy of their values when using the basic modelling method are explicitly tracked, which is reflected in the obtained graphs. Computational experiments were carried out to calculate the probabilistic-temporal characteristics of the "processor-memory" subsystem using the developed mathematical modelling methods. Based on the experimental results, it was determined that the delays occurring in subsystem's nodes and the time of exchange between the processor and memory modules depend on the query parameters and the processor-memory subsystem’s architectural characteristics.

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“…With the recent development of high-speed network and new efficient protocols to access remote memories, modern S-DSM are now able to match or exceed the performance of MP-designed applications. In this work [7], the S-DSM proposed in this report is evaluated together with a classical Open MPI implementation and ZeroMQ, a lightweight MP implementation originally designed for embedded systems. Results show that this S-DSM performs better than the Open MPI implementation and competes with the ZeroMQ implementation.…”

Section: Introductionmentioning

confidence: 99%

Software-Distributed Shared Memory for Heterogeneous Machines: Design and Use Considerations

Cudennec¹

2020

Preprint

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Distributed shared memory (DSM) allows to implement and deploy applications onto distributed architectures using the convenient shared memory programming model in which a set of tasks are able to allocate and access data despite their remote localization. With the development of distributed heterogeneous architectures in both HPC and embedded contexts, there is a renewal of interest for systems such as DSM that ease the programmability of complex hardware. In this report, some design considerations are given to build a complete software-DSM (S-DSM). This S-DSM called SAT (Share Among Things) is developed at CEA (the French Alternative Energies and Atomic Energy Commission) within the framework of European project M2DC (Modular Microserver DataCentre) to tackle the problem of managing shared data over microserver architectures. The S-DSM features the automatic decomposition of large data into atomic pieces called chunks, the possibility to deploy multiple coherence protocols to manage different chunks, an hybrid programming model based on event programming and a micro-sleep mechanism to decrease the energy consumption on message reception.

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Experiments Using a Software-Distributed Shared Memory, MPI and 0MQ over Heterogeneous Computing Resources

Cited by 3 publications

References 16 publications

NEP+: A Human-Centered Framework for Inclusive Human-Machine Interaction Development

NEP+: A Human-Centered Framework for Inclusive Human-Machine Interaction Development

Experimental research of a shared memory subsystem with limited queue length for specialized reconfigurable multiprocessor systems

Software-Distributed Shared Memory for Heterogeneous Machines: Design and Use Considerations

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