Randomized Online Multi-Threaded Paging

We present the first randomized upper and lower bounds for online multi-threaded paging as introduced by Feuerstein and Strejilevich de Loma [1996]. Our main result is a O(ω log k)-competitive algorithm for unfair infinite multithreaded paging, which is optimal to within a constant factor. We also present algorithms and lower bounds for three other sub-models of multi-threaded paging.

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