Tight bounds for parallel randomized load balancing: extended abstract

  title={Tight bounds for parallel randomized load balancing: extended abstract},
  author={Christoph Lenzen and Roger Wattenhofer},
We explore the fundamental limits of distributed balls-into-bins algorithms, i.e., algorithms where balls act in parallel, as separate agents. This problem was introduced by Adler et al., who showed that non-adaptive and symmetric algorithms cannot reliably perform better than a maximum bin load of Theta(log log n / log log log n) within the same number of rounds. We present an adaptive symmetric algorithm that achieves a bin load of two in log* n+O(1) communication rounds using O(n) messages… CONTINUE READING
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