'1d decomposition' presentation slideshows

Using PC clusters for scientific computing: do they really work?

474 views • 32 slides

Scaling Three-dimensional Fourier Transforms

Scaling Three-dimensional Fourier Transforms. Dmitry Pekurovsky dmitry@sdsc.edu San Diego Supercomputer Center. Fast Fourier Transform (FFT). F(k) = S x f(x) exp(-i2 p kx/N) A well-known, efficient, commonly used algorithm 1D FFT used in MANY science fields

535 views • 29 slides

Scaling of a Pseudospectral DNS Turbulence Code and a Parallel 3D FFT Library

Scaling of a Pseudospectral DNS Turbulence Code and a Parallel 3D FFT Library. Dmitry Pekurovsky dmitry@sdsc.edu San Diego Supercomputer Center. Examples of turbulence are common. Disorderly, nonlinear fluctuations in 3D space and time that span a wide range of interacting scales.

498 views • 25 slides

124 views • 12 slides