Abstract
We implemented the quadruple precision Basic Linear Algebra Subprograms (BLAS) functions, AXPY, GEMV and GEMM, on graphics processing units (GPUs), and evaluated their performance. We used DD-type quadruple precision operations, which combine two double precision values to represent a quadruple precision value. On an NVIDIA Tesla C1060, our BLAS functions are up to approximately 30 times faster than the existing quadruple precision BLAS on an Intel Core i7 920. Additionally, the execution time of quadruple precision AXPY takes only approximately 2.7 times longer than that of double precision AXPY on the Tesla C1060. We have shown that quadruple precision BLAS operations are suitable for GPUs.
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Mukunoki, D., Takahashi, D. (2012). Implementation and Evaluation of Quadruple Precision BLAS Functions on GPUs. In: Jónasson, K. (eds) Applied Parallel and Scientific Computing. PARA 2010. Lecture Notes in Computer Science, vol 7133. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28151-8_25
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DOI: https://doi.org/10.1007/978-3-642-28151-8_25
Publisher Name: Springer, Berlin, Heidelberg
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