Culises: A Library for Accelerated CFD on Hybrid GPU-CPU Systems
Culises: A Library for Accelerated CFD on Hybrid GPU-CPU Systems
Culises: A Library for Accelerated CFD on Hybrid GPU-CPU Systems
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Example resultsProcess industry: flow molding• pisoFoam solver– unsteady– Pressure solverlinear system → <str<strong>on</strong>g>Culises</str<strong>on</strong>g>– 500K grid cellsSolver<strong>CPU</strong>DICPCGDiag<strong>on</strong>alPCGSolver<strong>GPU</strong>Diag<strong>on</strong>alPCGDiag<strong>on</strong>alPCGFracti<strong>on</strong>fSpeedup SEfficiency ETheoret.maximumspeedup<strong>GPU</strong>-accelerati<strong>on</strong>linear solvera0.84 2.65 6.25 3.642%0.94 6.9 16.7 10.442%Slide 21<str<strong>on</strong>g>Culises</str<strong>on</strong>g> - A <str<strong>on</strong>g>Library</str<strong>on</strong>g> <str<strong>on</strong>g>for</str<strong>on</strong>g> <str<strong>on</strong>g>Accelerated</str<strong>on</strong>g> <str<strong>on</strong>g>CFD</str<strong>on</strong>g> <strong>on</strong> <strong>Hybrid</strong> <strong>GPU</strong>-<strong>CPU</strong> <strong>Systems</strong>B. Landmann
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