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Quote: non-preemptive process threads were a bad mistake in Amoeba; mistakes about blocking, poor multi-processor implementation; removed
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non-preemptive task scheduling
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Probably the worst mistake in the design of … not be preemptable. … Problems arose because programmers did not have a … [For example] the sanctity of the critical region could … The run-to-completion semantics of thread scheduling … also prevents a multi-processor implementation from exploiting parallelism … [In Amoeba 5.0] Threads sharing resources must explicitly synchronize using … Google-1 Google-2
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Topic: non-preemptive task scheduling (16 items)