Scientific Programming / 2015 / Article / Fig 8

Research Article

Computing Low-Rank Approximation of a Dense Matrix on Multicore CPUs with a GPU and Its Application to Solving a Hierarchically Semiseparable Linear System of Equations

Figure 8

Performance of the QP3 GPU-implementation on random short-wide matrices.
(a) Breakdown of factorization time
(b) Comparison with QP3 on random matrices

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