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Mendel-GPU: haplotyping and genotype imputation on graphics processing units.


ABSTRACT:

Motivation

In modern sequencing studies, one can improve the confidence of genotype calls by phasing haplotypes using information from an external reference panel of fully typed unrelated individuals. However, the computational demands are so high that they prohibit researchers with limited computational resources from haplotyping large-scale sequence data.

Results

Our graphics processing unit based software delivers haplotyping and imputation accuracies comparable to competing programs at a fraction of the computational cost and peak memory demand.

Availability

Mendel-GPU, our OpenCL software, runs on Linux platforms and is portable across AMD and nVidia GPUs. Users can download both code and documentation at http://code.google.com/p/mendel-gpu/.

Contact

gary.k.chen@usc.edu.

Supplementary information

Supplementary data are available at Bioinformatics online.

SUBMITTER: Chen GK 

PROVIDER: S-EPMC3634317 | biostudies-literature | 2012 Nov

REPOSITORIES: biostudies-literature

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Publications

Mendel-GPU: haplotyping and genotype imputation on graphics processing units.

Chen Gary K GK   Wang Kai K   Stram Alex H AH   Sobel Eric M EM   Lange Kenneth K  

Bioinformatics (Oxford, England) 20120905 22


<h4>Motivation</h4>In modern sequencing studies, one can improve the confidence of genotype calls by phasing haplotypes using information from an external reference panel of fully typed unrelated individuals. However, the computational demands are so high that they prohibit researchers with limited computational resources from haplotyping large-scale sequence data.<h4>Results</h4>Our graphics processing unit based software delivers haplotyping and imputation accuracies comparable to competing pr  ...[more]

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