Consensus number of memory-to-memory swap
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04-11-2019 - |
Вопрос
I think that consensus number of mem-to-mem-swap(a,b) operation which atomically swaps the values between shared locations a and b (shared R/W memory) is infinite , but I'm having trouble proving it.
I thought about implementing CAS with mem-to-mem-swap but comparing atomically is problematic, I think there is straightforward consensus protocol but I can't think about one.
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