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@ARTICLE{Speck:830506,
      author       = {Speck, Robert and Ruprecht, Daniel},
      title        = {{T}oward fault-tolerant parallel-in-time integration with
                      {PFASST}},
      journal      = {Parallel computing},
      volume       = {62},
      issn         = {0167-8191},
      address      = {Amsterdam [u.a.]},
      publisher    = {North-Holland, Elsevier Science},
      reportid     = {FZJ-2017-04047},
      pages        = {20 - 37},
      year         = {2017},
      abstract     = {We introduce and analyze different strategies for the
                      parallel-in-time integration method PFASST to recover from
                      hard faults and subsequent data loss. Since PFASST stores
                      solutions at multiple time steps on different processors,
                      information from adjacent steps can be used to recover after
                      a processor has failed. PFASST’s multi-level hierarchy
                      allows to use the coarse level for correcting the
                      reconstructed solution, which can help to minimize overhead.
                      A theoretical model is devised linking overhead to the
                      number of additional PFASST iterations required for
                      convergence after a fault. The potential efficiency of
                      different strategies is assessed in terms of required
                      additional iterations for examples of diffusive and
                      advective type.},
      cin          = {JSC},
      ddc          = {004},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / DFG project 450829162 - Raum-Zeit-parallele
                      Simulation multimodale Energiesystemen (450829162)},
      pid          = {G:(DE-HGF)POF3-511 / G:(GEPRIS)450829162},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000397367800002},
      doi          = {10.1016/j.parco.2016.12.001},
      url          = {https://juser.fz-juelich.de/record/830506},
}