{"paper_id":"35c10561-b70a-4fae-bbad-b571074aa1bc","body_text":"MPI, pinning and core count- performanceanalysis in numerical oceans acoustics | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article MPI, pinning and core count- performanceanalysis in numerical oceans acoustics Alena Melic This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4436001/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract The large- scale numerical simulation/solution in three dimensions (3D) of partial differential equations requires significant com-putational resources, regardless of the physics domain (e.g. numericaloceans acoustics, electromagnetic fields, computational fluid dynamics. . . ).The utilization of the Message Passing Interface (MPI) offers a distinctadvantage in enabling large- scale simulations/solutions based on thesedifferential equations. This streamlines the approximation process significantly. By employing MPI, scientists and engineers model effortlesslythe complex interactions from physical parameters in various physics domains. This empowers them to make informed decisions in various fields,from e.g. marine engineering to environmental monitoring. This papershows the efficiency result of a specific software application for the numerical solution of a partial differential equation in numerical oceansacoustics in 3D on a high-performance computer (HPC) with the respective number of cores, pin assignment and MPI Version Partial Differential Equation Large- scale underwater acoustical modeling High- performance computing Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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