In the past years, we have seen an unprecedented pace of technological development in smart applications. Smart Systems incorporate securely connected sensors, actuators, and data processing resources to provide digit...
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ISBN:
(纸本)9783031488023;9783031488030
In the past years, we have seen an unprecedented pace of technological development in smart applications. Smart Systems incorporate securely connected sensors, actuators, and data processing resources to provide digital services. They provide a wide range of smart applications using emerging technologies that address governmental or industrial processes or citizen life in smart cities, and many of them have been affected by the COVID-19 pandemic which involved a general lack of trust. Integrating Blockchain-based data management into smart systems can enhance the performance, trust, and privacy of their applications, which are getting more and more crucial. In this paper, we propose a vision for a unified Simulation as a Service platform, which will be able to model and investigate Blockchain-based smart systems exploiting IoT, Fog, and Cloud computing infrastructures.
In dynamic edge environments, many nodes are constantly changing their geographical locations, leading to unstable network links and even disconnections among nodes relying on wireless communication. Existing research...
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Large-scale deployment of Internet of Things (IoT) devices provides efficient data collection and control capabilities in the smart grid, while edge computing plays a key role in increasing the speed of data processin...
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Container technology has become a cornerstone of cloud computing, offering notable benefits such as enhanced resource utilization and streamlined deployment processes. The adoption of container technology by leading c...
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Variations in feeder impedances among distributed Generators (DGs) within a microgrid lead to inaccuracies in reactive power distribution. Additionally, significant fluctuations in load and diverse droop characteristi...
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With the rapid development of the tourism industry, traditional tourism methods are undergoing significant transformation, and online tourism is gradually becoming a new highlight in the market. However, faced with th...
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In the Fully Sharded Data parallel (FSDP) training pipeline, collective operations can be interleaved to maximize the communication/computation overlap. In this scenario, outstanding operations such as Allgather and R...
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ISBN:
(数字)9798350352917
ISBN:
(纸本)9798350352924;9798350352917
In the Fully Sharded Data parallel (FSDP) training pipeline, collective operations can be interleaved to maximize the communication/computation overlap. In this scenario, outstanding operations such as Allgather and Reduce-Scatter can compete for the injection bandwidth and create pipeline bubbles. To address this problem, we propose a novel bandwidth-optimal Allgather collective algorithm that leverages hardware multicast. We use multicast to build a constant-time reliable Broadcast protocol, a building block for constructing an optimal Allgather schedule. Our Allgather algorithm achieves 2x traffic reduction on a 188-node testbed. To free the host side from running the protocol, we employ SmartNIC offloading. We extract the parallelism in our Allgather algorithm and map it to a SmartNIC specialized for hiding the cost of data movement. We show that our SmartNIC-offloaded collective progress engine can scale to the next generation of 1.6 Tbit/s links.
Agent-Based Modeling and Simulation (ABMS) has been increasingly applied in various research fields, thanks to the capability of these models to describe fine-grained realworld behavior and to the ease of interpretati...
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Desktop Grid as a Service is a new concept for implementing high-throughput computing basing on cloud computing and distributedcomputing technologies of the Desktop Grid type. This paper demonstrates new advances of ...
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Modernizing grid connectivity laws is necessary for the electric power systems’ rapid proliferation of distributed generators (DGs), especially as microgrids (MGs) proliferate and speed up the decentralization of net...
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