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    GPU accelerated Monte Carlo simulation of pulsed-field gradient NMR experiments

    Waudby, Christopher A. and Christodoulou, John (2011) GPU accelerated Monte Carlo simulation of pulsed-field gradient NMR experiments. Journal of Magnetic Resonance 211 (1), pp. 67-73. ISSN 1090-7807.

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    Abstract

    The simulation of diffusion by Monte Carlo methods is often essential to describing NMR measurements of diffusion in porous media. However, simulation timescales must often span hundreds of milliseconds, with large numbers of trajectories required to ensure statistical convergence. Here we demonstrate that by parallelising code to run on graphics processing units (GPUs), these calculations may be accelerated by over three orders of magnitude, opening new frontiers in experimental design and analysis. As such cards are commonly installed on most desktop computers, we expect that this will prove useful in many cases where simple analytical descriptions are not available or appropriate, e.g. in complex geometries or where short gradient pulse approximations do not hold, or for the analysis of diffusion-weighted MRI in complex tissues such as the lungs and brain.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): CUDA, GPGPU, parallel processing, restricted diffusion, PGSE
    School: Birkbeck Schools and Departments > School of Science > Biological Sciences
    Research Centre: Structural Molecular Biology, Institute of (ISMB)
    Depositing User: Administrator
    Date Deposited: 25 Jul 2011 08:55
    Last Modified: 06 Dec 2016 10:48
    URI: http://eprints.bbk.ac.uk/id/eprint/3827

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