Scaling computational genomics to millions of individuals with GPUs

Autor: Shankara Anand, François Aguet, Sager J. Gosai, Kristin Ardlie, Gad Getz, Eliezer M. Van Allen, Jaegil Kim, Amaro Taylor-Weiner, Nicholas J. Haradhvala
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Genome Biology
Genome Biology, Vol 20, Iss 1, Pp 1-5 (2019)
DOI: 10.1101/470138
Popis: Current genomics methods and pipelines were designed to handle tens to thousands of samples, but will soon need to scale to millions to keep up with the pace of data and hypothesis generation in biomedical science. The computational costs associated with processing these growing datasets will become prohibitive without improving the computational efficiency and scalability of methods. Here, we show that implementation of genomics methods using recently developed machine-learning libraries for GPUs will significantly accelerate computations and enable scaling to hundreds of thousands of samples. To demonstrate this and benchmark the use of machine-learning libraries for large-scale genomic analyses, we re-implemented methods for two commonly performed computational genomics tasks: (i) QTL mapping (tensorQTL) and Bayesian non-negative matrix factorization (SignatureAnalyzer-GPU). Our implementations ran > 200 times faster than current CPU-based implementations, e.g., trans-QTL mapping (i.e., 500 billion regressions) took less than 10 minutes, and these analyses are ~5-10 fold cheaper on GPUs due to the vastly shorter runtimes. We anticipate that the accessibility of these libraries (e.g., TensorFlow, PyTorch), and the improvements in run-time will lead to a transition to GPU-based implementations for a wide range of computational genomics methods.
Databáze: OpenAIRE