Static Evaluation of a Midimew Connected Torus Network for Next Generation Supercomputers

Maryam Al-Shammari, Asrar Haque and M M Hafizur Rahman ()
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Maryam Al-Shammari: Department of Computer Science, CCSIT, King Faisal University, Al Ahsa 31982, Saudi Arabia
Asrar Haque: Department of Computer Science, CCSIT, King Faisal University, Al Ahsa 31982, Saudi Arabia
M M Hafizur Rahman: Department of Computer Networks & Communications, CCSIT, King Faisal University, Al Ahsa 1982, Saudi Arabia

Sustainability, 2023, vol. 15, issue 8, 1-16

Abstract: Many artificially intelligent systems solve complex health- and agriculture-related problems that require great computational power. Such systems are used for tracking medical records, genome sequence analysis, image-based plant disease detection, food supply chain traceability, and photosynthesis simulation. Massively parallel computers (MPCs) are among those used to solve these computation-intensive problems. MPCs comprise a million nodes; connecting such a large number of nodes is a daunting task. Therefore, hierarchical interconnection networks (HINs) have been introduced to solve this problem. A midimew-connected torus network (MTN) is a HIN that has basic modules (BM) as torus networks that are connected hierarchically by midimew links. This paper presents the performance of MTNs in terms of static topological parameters and cost-effectiveness, as measured through simulations. An MTN was compared with other networks, including mesh, torus, TESH, TTN, MMN, and TFBN. The results showed that our MTN had a low diameter with a high bisection width and arc connectivity. In addition, our MTN had a high cost–performance trade-off factor (CPTF), a high cost-effective factor (CEF), low packing density, and moderate message-traffic density with marginally higher costs, as compared to other networks, due to wire complexity. However, our MTN provided better bandwidth with higher static fault tolerance. Therefore, MTNs are suggested for further evaluation of the effective implementation of MPCs.

Keywords: massively parallel computers; hierarchical interconnection networks; static network performance; cost-effective analysis; MTN; cost-performance trade-off factor; cost-effective factor; artificial intelligence; sustainability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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