Resource Management
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2022 ◽  
Vol 15 (2) ◽  
pp. 1-31
Joel Mandebi Mbongue ◽  
Danielle Tchuinkou Kwadjo ◽  
Alex Shuping ◽  
Christophe Bobda

Cloud deployments now increasingly exploit Field-Programmable Gate Array (FPGA) accelerators as part of virtual instances. While cloud FPGAs are still essentially single-tenant, the growing demand for efficient hardware acceleration paves the way to FPGA multi-tenancy. It then becomes necessary to explore architectures, design flows, and resource management features that aim at exposing multi-tenant FPGAs to the cloud users. In this article, we discuss a hardware/software architecture that supports provisioning space-shared FPGAs in Kernel-based Virtual Machine (KVM) clouds. The proposed hardware/software architecture introduces an FPGA organization that improves hardware consolidation and support hardware elasticity with minimal data movement overhead. It also relies on VirtIO to decrease communication latency between hardware and software domains. Prototyping the proposed architecture with a Virtex UltraScale+ FPGA demonstrated near specification maximum frequency for on-chip data movement and high throughput in virtual instance access to hardware accelerators. We demonstrate similar performance compared to single-tenant deployment while increasing FPGA utilization, which is one of the goals of virtualization. Overall, our FPGA design achieved about 2× higher maximum frequency than the state of the art and a bandwidth reaching up to 28 Gbps on 32-bit data width.

2021 ◽  
Vol 6 (3) ◽  
pp. 349-357
Abdurrohman Muzakki ◽  
Immanuel Muammal ◽  
Bayu Prakoso

This research was conducted with the aim of analyzing the position of teacher creativity in an effort to mediate the influence of the practice of Human Resource Management (HRM) which can be carried out by schools to improve teacher performance. This type of research is an explanatory research and also uses a quantitative approach. The variables in this research include several aspects such as the practice of implementing HRM, Teacher Creativity, and the performance of Sports Physical Education Teachers. This research was conducted by reaching a number of 102 Sports Physical Education teachers consisting of several levels such as elementary, middle, and high schools in Malang City, Malang Regency and Batu City. Information can be obtained by distributing questionnaires either directly (offline) or online. The analysis of data information was carried out by researchers using SEM-PLS with the WARP PLS 7 application Meanwhile, the results of this research indicate the findings that the practice of HRM does not have a direct influence on the performance of Sports Physical Education Teachers with a significance value of 0.30 and the effect of HR Practice on The performance of sports teachers mediated by teacher creativity has a significance value of <0.001, which means that the teacher's creativity fully mediates the effect of HR practice on the performance of sports teachers.

Abstract As the world is facing numerous global ecological issues at once, the question arises of what will help mitigate and solve contemporary matters related to resource management or climate change without devastating the economies. Fortunately, the widespread application of the circular economy would help countries worldwide simultaneously ensure economic growth without significant environmental deterioration, essentially decoupling the two factors. While Hungary’s contribution to environmental problems is not significant in absolute terms, the economic sector’s circular transition could help the country decrease its impact in relative terms and pave the path for a green economy. Nevertheless, companies, especially SMEs, tend to struggle the most with the initial phases of the shift thus it is crucial to assess the factors that prevent and support their transition.

2021 ◽  
Vol 5 (1) ◽  
pp. 44
Georgios Louloudis ◽  
Christos Roumpos ◽  
Eleni Mertiri ◽  
Georgios Kasfikis ◽  
Francis Pavloudakis

Future investment feasibility studies concerning post-mining repurposing utilities and economic transitions should focus on regional water resource management and the hydraulic protection of any utilities. Satellite images in different bands and Digital Elevation Models (DEM) of the Ptolemais basin were processed, leading to a more accurate estimation of the runoff ratio and percolation ratio. Furthermore, the saturated and unsaturated areas were delineated, leading to the recognition of potential artificial ground water recharge zones and zones where appropriate hydraulic protection measures are necessary.

2021 ◽  
Christine Beling ◽  
Graham Wild

Emotional Intelligence (EI) refers to the regulation, perception, and management of self and others’ emotions. EI has been used to gain insight into decision making in corporate Human Resource Management (HRM) contexts, as well as in stressful situations. The potential link between EI and decision making in HRM could have great benefit to training and management in high-consequence and safety-critical industries. This research investigated the association between EI and decision making of pilots in the aviation industry. The aim was to uncover the level of association between EI dimensions and decision making for pilots; as well as to understand the role that pilots perceive EI dimensions play in their decision making in safety-critical scenarios. One hundred and seventeen pilots completed an online survey comprised of the Wong-Law EI Scale, decision making scenarios, and open-ended questions. The mixed-method analysis of the survey data showed a correlation between individual EI dimensions and decision-making scenarios, rather than the total scores. There are potential implications for general HRM research in EI and decision making as well as practical implications for the aviation industry. Overall, it was found that there is a link between EI and decision making, specifically for scenarios that involve other cognitive functions.

2021 ◽  
Vol 13 (23) ◽  
pp. 13338
Shawn Ingram ◽  
Ana-Maria Bogdan ◽  
Tayyab Shah ◽  
Xiaojing Lu ◽  
Meng Li ◽  

The water–energy–food (WEF) nexus has emerged as a leading tool for assessing integrated resource management strategies and for monitoring progress towards the WEF-related Sustainable Development Goals. A notable outcome of WEF nexus research has been the calculation of the global WEF Nexus Index, which provides a quantitative ranking of country-level WEF security for 170 nations. As valuable as this ranking is, the aggregation of country-level WEF data obscures regional differences, particularly in remote regions that are sparsely populated and differ in geography, economy, and climate. This has proven to be the case for northern Canada, which despite representing 40% of Canada’s total land area, accounts for less than 1% of the Canadian population, most of whom are Indigenous. Whereas Canada ranks 5th globally in their WEF security, northern Canada, if treated independently, would rank 67th on the global WEF Nexus Index rankings. Evaluating each WEF sector independently, northern Canada would rank 22nd in water security, 90th in energy security, and 113th in food security. Our results further reveal that considerable inter-regional variability exists between northern territories and provinces, where Nunavik would rank 54th, Northwest Territories 67th, Yukon 69th, Labrador 80th, and Nunavut 107th on the global index. By highlighting these differences, we hope that this research can aid decision-makers in developing informed, regionally specific, and integrative resource policy responses that remedy rather than amplify existing WEF-related inequalities.

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