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6
Concurrent Systems/notes/6 - Atomicity.md
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@ -72,7 +72,11 @@ we would have the topological order: $op1\to'op2\to'...$
$\hat{S}$ is clearly sequential. Moreover: $\hat{S}$ is clearly sequential. Moreover:
1. $\forall X :\hat{S}|_{X} = \hat{S}_X (\in semantics(X))$, indeed: 1. $\forall X :\hat{S}|_{X} = \hat{S}_X (\in semantics(X))$, indeed:
- $<_{\hat{S}_X}=\to_X \subseteq \to'_X = \to_{\hat{S}|X}=<_{\hat{S}|X}$ - $<_{\hat{S}_X}=\to_X \subseteq \to'_X = \to_{\hat{S}|X}=<_{\hat{S}|X}$
- commenti - commento per non diventare scemi:
- $\hat{S}_X$ lo storico ottenuto linearizzando $\hat{H}|_X$
- $\hat{S}|_X$ lo storico che ottengo filtrando per le operazioni su X, partendo da $\hat{S}$, che a sua volta viene ottenuto linearizzando $\hat{H}$
- $\to_X$
- $\to|_X$
> [!PDF|red] class 6, p.6> we would have a cycle of length > [!PDF|red] class 6, p.6> we would have a cycle of length
> >
> we would contraddict op2 ->x op3 > we would contraddict op2 ->x op3