Autonomic computing investigates how systems can achieve (user) specified control outcomes on their own, without the intervention of a human operator. Autonomic computing fundamentals have been substantially influenced by those of control theory for closed and open-loop systems. In practice, complex systems may exhibit a number of concurrent and inter-dependent control loops. Despite research into autonomic models for managing computer resources, ranging from individual resources (e.g., web servers) to a resource ensemble (e.g., multiple resources within a data center), research into integrating Artificial Intelligence (AI) and Machine Learning (ML) to improve resource autonomy and performance at scale continues to be a fundamental challenge. The integration of AI/ML to achieve such autonomic and self-management of systems can be achieved at different levels of granularity, from full to human-in-the-loop automation. In this article, leading academics, researchers, practitioners, engineers, and scientists in the fields of cloud computing, AI/ML, and quantum computing join to discuss current research and potential future directions for these fields. Further, we discuss challenges and opportunities for leveraging AI and ML in next generation computing for emerging computing paradigms, including cloud, fog, edge, serverless and quantum computing environments. 

/pdf/ai-for-next-generation-computing-emerging-trends-and-future-34i92n14.pdf

AI for Next Generation Computing: Emerging Trends and Future Directions

Internet of Things (IoT) is one of the most rapidly used technologies in the last decade in various applications. The smart things are connected in wireless or wired for communication, processing, computing, and monitoring different real-time scenarios. The things are heterogeneous and have low memory, less processing power. The implementation of the IoT system comes with security and privacy challenges because traditional based existing security protocols do not suitable for IoT devices. In this survey, the authors initially described an overview of the IoT technology and the area of its application. The primary security issue CIA (confidentially, Integrity, Availability) and layer-wise issues are identified. Then the authors systematically study the three primary technology Machine learning(ML), Artificial intelligence (AI), and Blockchain for addressing the security issue in IoT. In the end, an analysis of this survey, security issues solved by the ML, AI, and Blockchain with research challenges are mention.

Survey on IoT security: Challenges and solution using machine learning, artificial intelligence and blockchain technology

Fast image encryption algorithm based on parallel computing system

Internet of Things (IoT) can help to pave the way to the circular economy and to a more sustainable world by enabling the digitalization of many operations and processes, such as water distribution, preventive maintenance, or smart manufacturing. Paradoxically, IoT technologies and paradigms such as edge computing, although they have a huge potential for the digital transition towards sustainability, they are not yet contributing to the sustainable development of the IoT sector itself. In fact, such a sector has a significant carbon footprint due to the use of scarce raw materials and its energy consumption in manufacturing, operating, and recycling processes. To tackle these issues, the Green IoT (G-IoT) paradigm has emerged as a research area to reduce such carbon footprint; however, its sustainable vision collides directly with the advent of Edge Artificial Intelligence (Edge AI), which imposes the consumption of additional energy. This article deals with this problem by exploring the different aspects that impact the design and development of Edge-AI G-IoT systems. Moreover, it presents a practical Industry 5.0 use case that illustrates the different concepts analyzed throughout the article. Specifically, the proposed scenario consists in an Industry 5.0 smart workshop that looks for improving operator safety and operation tracking. Such an application case makes use of a mist computing architecture composed of AI-enabled IoT nodes. After describing the application case, it is evaluated its energy consumption and it is analyzed the impact on the carbon footprint that it may have on different countries. Overall, this article provides guidelines that will help future developers to face the challenges that will arise when creating the next generation of Edge-AI G-IoT systems.

Green IoT and Edge AI as Key Technological Enablers for a Sustainable Digital Transition towards a Smart Circular Economy: An Industry 5.0 Use Case

Neuromorphic computing is henceforth a major research field for both academic and industrial actors. As opposed to Von Neumann machines, brain-inspired processors aim at bringing closer the memory and the computational elements to efficiently evaluate machine learning algorithms. Recently, spiking neural networks, a generation of cognitive algorithms employing computational primitives mimicking neuron and synapse operational principles, have become an important part of deep learning. They are expected to improve the computational performance and efficiency of neural networks, but they are best suited for hardware able to support their temporal dynamics. In this survey, we present the state of the art of hardware implementations of spiking neural networks and the current trends in algorithm elaboration from model selection to training mechanisms. The scope of existing solutions is extensive; we thus present the general framework and study on a case-by-case basis the relevant particularities. We describe the strategies employed to leverage the characteristics of these event-driven algorithms at the hardware level and discuss their related advantages and challenges.

Spiking Neural Networks Hardware Implementations and Challenges: A Survey

Communication-efficient distributed AI strategies for the IoT edge

The spiking neural network (SNN) is a possible pathway for low-power and energy-efficient processing and computing exploiting spiking-driven and sparsity features of biological systems. This article proposes a sparsity-driven SNN learning algorithm, namely backpropagation with sparsity regularization (BPSR), aiming to achieve improved spiking and synaptic sparsity. Backpropagation incorporating spiking regularization is utilized to minimize the spiking firing rate with guaranteed accuracy. Backpropagation realizes the temporal information capture and extends to the spiking recurrent layer to support brain-like structure learning. The rewiring mechanism with synaptic regularization is suggested to further mitigate the redundancy of the network structure. Rewiring based on weight and gradient regulates the pruning and growth of synapses. Experimental results demonstrate that the network learned by BPSR has synaptic sparsity and is highly similar to the biological system. It not only balances the accuracy and firing rate, but also facilitates SNN learning by suppressing the information redundancy. We evaluate the proposed BPSR on the visual dataset MNIST, N-MNIST, and CIFAR10, and further test it on the sensor dataset MIT-BIH and gas sensor. Results bespeak that our algorithm achieves comparable or superior accuracy compared to related works, with sparse spikes and synapses.

/pdf/backpropagation-with-sparsity-regularization-for-spiking-2evkuy3q.pdf

Backpropagation With Sparsity Regularization for Spiking Neural Network Learning

Self-aware distributed deep learning framework for heterogeneous IoT edge devices

The descending of intelligence from the cloud to the heterogeneous and low-power edge in the Artificial Intelligence-of-Things prevents uploading user-sensitive information to the cloud. It brings an urgent demand for deploying training tasks collaboratively in industrial scenarios to manage data locally. This article proposes an edge-based collaborative training system for the smart factory which harnesses the intelligence of edge devices by balancing the computational and communicational resources and improving system dependability. Two typical scenarios of parts recognition and defect inspection are evaluated as a case study with our system. The feasibility and dependability of the presented system are verified with a platform composed of eight high-performance (Nvidia Jetson Nano) and eight low-performance edge devices (Raspberry Pi 4B). The efficiency under tradeoff between computational resource and network condition constraints in a cluster is tested to simulate real-case performance in smart factory scenarios. Our platform reaches the peak performance of 1167 images/s training efficiency on ResNet32 under a 125 MB/s bandwidth. Experimental results demonstrate that the proposed design can collaboratively perform training tasks with optimized efficiency and provide dependable collaborations for system fault detection and cluster extension.

Edge-Based Collaborative Training System for Artificial Intelligence-of-Things

The growth in the size of deep neural network (DNN) models poses both computational and memory challenges to the efficient and effective implementation of DNNs on platforms with limited hardware resources. Our work on segmented logarithmic (SegLog) quantization, adopting both base-2 and base-

$\sqrt {2}$
 logarithmic encoding, is able to reduce inference cost with a little accuracy penalty. However, weight distribution varies among layers in different DNN models, and requires different base-2 : base-

$\sqrt {2}$
 ratios to reach the best accuracy. This means different hardware designs for the decoding and computing parts are required. This paper extends the idea of SegLog quantization by using layer-wise base-2 : base-

$\sqrt {2}$
 ratio on weight quantization. The proposed base-reconfigurable segmented logarithmic (BRSLog) quantization is able to achieve 6.4x weight compression with 1.66% Top-5 accuracy drop on AlexNet at 5-bit resolution. An arithmetic element supporting BRSLog-quantified DNN inference is proposed to adapt to different base-2 : base-

$\sqrt {2}$
 ratios. With 

$\sqrt {2}$
 approximation, the resource-consuming multipliers can be replaced by shifters and adders with only 0.54% accuracy penalty. The proposed arithmetic element is simulated in UMC 55nm Low Power Process, and it is 50.42% smaller in area and 55.60% lower in power consumption than the widely-used 16-bit fixed-point multiplier. Compared with equivalent SegLog arithmetic element designed for fixed base-2 : base-

$\sqrt {2}$
 ratio, the base-reconfigurable part only increases the area by 22.96 μm2 and energy cost by 2.6 μW.

Base-Reconfigurable Segmented Logarithmic Quantization and Hardware Design for Deep Neural Networks

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