We consider the problem of finding a minimum-length schedule on m machines for a set of n unit-length tasks with a forest of intrees as precedence relation, and with unit interprocessor communication delays. First we prove that this problem is NP-complete; second we derive a linear time algorithm for the special case that m equals 2.
CITATION STYLE
Lenstra, J. K., Veldhorst, M., & Veltman, B. (1993). The complexity of scheduling trees with communication delays. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 726 LNCS, pp. 284–294). Springer Verlag. https://doi.org/10.1007/3-540-57273-2_63
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