2017
DOI: 10.1371/journal.pone.0178156
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Evaluation of the Intel Xeon Phi 7120 and NVIDIA K80 as accelerators for two-dimensional panel codes

Abstract: To optimize the geometry of airfoils for a specific application is an important engineering problem. In this context genetic algorithms have enjoyed some success as they are able to explore the search space without getting stuck in local optima. However, these algorithms require the computation of aerodynamic properties for a significant number of airfoil geometries. Consequently, for low-speed aerodynamics, panel methods are most often used as the inner solver. In this paper we evaluate the performance of suc… Show more

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Cited by 7 publications
(5 citation statements)
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“…However, as opposed to the case in section 4.2, the resulting ODE cannot be integrated exactly in time. For the time discretization, we will then use the order two Magnus integrator (18). We call the resulting scheme Hermite Kronecker Magnus Pseudospectral method (HKMP).…”
Section: Schrödinger Equation With Time Dependent Potentialmentioning
confidence: 99%
See 1 more Smart Citation
“…However, as opposed to the case in section 4.2, the resulting ODE cannot be integrated exactly in time. For the time discretization, we will then use the order two Magnus integrator (18). We call the resulting scheme Hermite Kronecker Magnus Pseudospectral method (HKMP).…”
Section: Schrödinger Equation With Time Dependent Potentialmentioning
confidence: 99%
“…It has increasingly been realized that in order to fully exploit present and future highperformance computing systems we require algorithms that parallelize well and which can be implemented efficiently on accelerators, such as GPUs [5]. In particular, for GPU computing much research effort has been undertaken to obtain efficient implementations (see, e.g., [6,8,17,18,19,31,34,39,41,44]).…”
Section: Implementation On Multi-core Cpus and Gpusmentioning
confidence: 99%
“…The original REXI scheme and the differences to REXII The original REXI scheme was developed for matrices A with real entries. It is based on (15) where τ A is substituted for ix. A further simplification comes from the fact that e τ A is real which suggests to neglect the imaginary part of (15).…”
Section: The New Scheme Rexii For Matricesmentioning
confidence: 99%
“…If A = iB, where B is a real diagonalizable matrix, then the transformation matrix V is real. If moreover f 0 is real, the use of (15) for approximating e τ A is justified, and we end up with the following scheme:…”
Section: The New Scheme Rexii For Matricesmentioning
confidence: 99%
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