CGS vs MGS PowerPoint PPT Presentation

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Title: CGS vs MGS


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CGS vs MGS
  • Scalability of MGS and CGS on two different
    clusters for matrices of size
  • mmloc.(procs) where mloc500 1000 2000 4000
  • n 100
  • over Myrinet (mpich-mx) using Goto BLAS, Intel
    Xeon 3.2 GHz
  • over Ethernet (mpich) using
  • Goto BLAS, Intel Xeon 3.2 GHz

CGS qi (I-Qi-1 Qi-1T) qi qi qi / qi
MGS qi (I-q1 q1T) (I-qi-1 qi-1T) qi qi
qi / qi
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A simple experiments
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