Added "miniLB: A Performance Portability Study of Lattice-Boltzmann Simulations" paper.

Author: Scott Straughan

content/research_papers/2024/2024-09-25-mini-lb-a-performance-portability-study-of-lattice-boltzmann-simulations.md

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+---
+contributor: scott
+date: '2024-09-25T09:43:10'
+title: 'miniLB: A Performance Portability Study of Lattice-Boltzmann Simulations'
+external_url: 'https://www.arxiv.org/abs/2409.16781'
+authors:
+  - Luigi Crisci,
+  - Biagio Cosenza
+  - Giorgio Amati
+  - Matteo Turisini
+tags:
+  - sycl
+  - lbm
+  - cfd
+  - fluid-dynamics
+  - portability
+---
+
+The Lattice Boltzmann Method (LBM) is a computational technique of Computational Fluid Dynamics (CFD) that has gained
+popularity due to its high parallelism and ability to handle complex geometries with minimal effort. Although LBM
+frameworks are increasingly important in various industries and research fields, their complexity makes them difficult
+to modify and can lead to suboptimal performance. This paper presents miniLB, the first, to the best of our knowledge,
+SYCL-based LBM this http URL addresses the need for a performance-portable LBM proxy app capable of abstracting complex
+fluid dynamics simulations across heterogeneous computing systems. We analyze SYCL semantics for performance portability
+and evaluate miniLB on multiple GPU architectures using various SYCL implementations. Our results, compared against a
+manually-tuned FORTRAN version, demonstrate effectiveness of miniLB in assessing LBM performance across diverse
+hardware, offering valuable insights for optimizing large-scale LBM frameworks in modern computing environments.