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Marco Realacci 2025-03-18 18:15:04 +01:00
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9
Concurrent Systems/notes/6 - Atomicity.md
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@ -97,10 +97,9 @@ E siccome
- $op1_p \to_H op2_p \to_H \dots$ - $op1_p \to_H op2_p \to_H \dots$
- $\to_H \space \subseteq \space \to'$ - $\to_H \space \subseteq \space \to'$
Allora $$\hat{H}|_p = \hat{S}_p$$
ovverosia, se proiettiamo H e S solo per le operazioni eseguite da un solo processo $p$, allora gli storici saranno uguali.
Infine, si ha che $$\to_H \space \subseteq \space \to \space \subseteq \space \to' \space = \space \to_S$$
> [!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