Tight rmr lower bounds for mutual exclusion and other problems

  title={Tight rmr lower bounds for mutual exclusion and other problems},
  author={Hagit Attiya and Danny Hendler and Philipp Woelfel},
We investigate the remote memory references (RMRs) complexity of deterministic processes that communicate by reading and writing shared memory in asynchronous cache-coherent and distributed shared-memory multiprocessors. We define a class of algorithms that we call order encoding. By applying information-theoretic arguments, we prove that every order encoding algorithm, shared by n processes, has an execution that incurs Ω(n log n) RMRs. From this we derive the same lower bound for the mutual… CONTINUE READING
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