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@INPROCEEDINGS{Speck:151996,
      author       = {Speck, Robert and Ruprecht, Daniel and Emmett, Matthew and
                      Minion, Michael and Bolten, Matthias and Krause, Rolf},
      title        = {{A} space-time parallel solver for the three-dimensional
                      heat equation},
      volume       = {25},
      publisher    = {IOS Press},
      reportid     = {FZJ-2014-01820},
      series       = {Advances in Parallel Computing},
      pages        = {263 - 272},
      year         = {2014},
      comment      = {Parallel Computing: Accelerating Computational Science and
                      Engineering (CSE)},
      booktitle     = {Parallel Computing: Accelerating
                       Computational Science and Engineering
                       (CSE)},
      abstract     = {The paper presents a combination of the time-parallel
                      "parallel full approximation scheme in space and time"
                      (PFASST) with a parallel multigrid method (PMG) in space,
                      resulting in a mesh-based solver for the three-dimensional
                      heat equation with a uniquely high degree of efficient
                      concurrency. Parallel scaling tests are reported on the Cray
                      XE6 machine “Monte Rosa” on up to 16,384 cores and on
                      the IBM Blue Gene/Q system “JUQUEEN” on up to 65,536
                      cores. The efficacy of the combined spatial-and temporal
                      parallelization is shown by demonstrating that using PFASST
                      in addition to PMG significantly extends the strong-scaling
                      limit. Implications of using spatial coarsening strategies
                      in PFASST's multi-level hierarchy in large-scale parallel
                      simulations are discussed.},
      month         = {Sep},
      date          = {2013-09-10},
      organization  = {International Conference on Parallel
                       Computing, Munich (Germany), 10 Sep
                       2013 - 13 Sep 2013},
      cin          = {JSC},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {411 - Computational Science and Mathematical Methods
                      (POF2-411) / DFG project 450829162 - Raum-Zeit-parallele
                      Simulation multimodale Energiesystemen (450829162) / DFG
                      project 450829162 - Raum-Zeit-parallele Simulation
                      multimodale Energiesystemen (450829162)},
      pid          = {G:(DE-HGF)POF2-411 / G:(GEPRIS)450829162 /
                      G:(GEPRIS)450829162},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      UT           = {WOS:000452120400026},
      doi          = {10.3233/978-1-61499-381-0-263},
      url          = {https://juser.fz-juelich.de/record/151996},
}