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• 2 票

  0 回答

  181 浏览

  Preconditioner that works to 512 cores and falls apart at 1024

  Strong scaling is close to ideal up to 512 ranks. At 1024 the iteration count roughly doubles and the wall time goes up. The partitioning is the same algorithm at both sizes and the subdomains are…

  • hpc
  • numerics

  Arun Balakrishnan

• 2 票

  0 回答

  328 浏览

  Sampling a transition that happens once in a billion steps

  Direct simulation will not reach it, and the usual enhanced-sampling machinery wants a reaction coordinate I do not have — the transition is collective and every one-dimensional coordinate I have…

  • numerics
  • sampling

  Yuki Tanabe

• 1 票

  0 回答

  88 浏览

  Notation for an average over configurations of an average over sources

  This is a writing question and I am asking it anyway, because the last three manuscripts I refereed each invented their own and I could not follow any of them. The quantity is an average over gauge…

  • methodology

  Yuki Tanabe

✳每一道问题，都是一次共同思考的邀请。