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VMD makes full use of multi-core processors and multiple GPUs for
acceleration of the most computationally demanding visualization
and analysis tasks. Multi-core CPUs accelerate features including
interactive MD, bond determination, ``within'' atom selections
and derivatives, radial distribution functions, and high quality
renderings using the ``Tachyon'' and ``TachyonInternal'' ray tracing
features. VMD also supports GPU acceleration using CUDA, and takes
advantage of both multi-core CPUs and GPUs for acceleration of
electrostatics (i.e. ``volmap coulomb'', and ``volmap coulombmsm''),
implicit ligand sampling (i.e. ``volmap ils''), and
computation and rendering of molecular orbitals.
vmd@ks.uiuc.edu