HPCG 3.0 Reference Code
Features include:
  • Problem generation is a timed portion of the benchmark. This time is now added to any time spent optimizing data structures and counted as overhead when computing the official GFLOP/s rating. The total overhead time is divided by 500 to amortize its cost over 500 iterations.
  • Added memory usage counting and reporting.
  • Added memory bandwidth measurement and reporting
  • Added a "Quick Path" option to make obtaining results on production systems easier. With this option, obtaining a rating will take only a few minutes. This option also makes profiling and debugging easier. The Quick Path option is invoked by setting the run time to zero, either in hpcg.dat or by using the --rt=0 option.
  • Added a command line option (--rt=) to specify the run time.
  • Made a few small changes to support easier builds on MS Windows.
  • Changed the way the residual variance is computed to make sure it is zero if all residual values are identical.
  • Changed the order of array allocation in the reference code in order to improve performance.
  • Set the minimum iteration count for the optimized run to be the same as what is used in the reference run.

    SHA256 e2b9bb6e0e83c3a707c27e92a6b087082e6d7033f94c000a40aebf2c05881519

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