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Multiple buffering
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== Description == === Double buffering Petri net === The [[Petri net]] in the illustration shows double buffering. Transitions W1 and W2 represent writing to buffer 1 and 2 respectively while R1 and R2 represent reading from buffer 1 and 2 respectively. At the beginning, only the transition W1 is enabled. After W1 fires, R1 and W2 are both enabled and can proceed in parallel. When they finish, R2 and W1 proceed in parallel and so on. After the initial transient where W1 fires alone, this system is periodic and the transitions are enabled β always in pairs (R1 with W2 and R2 with W1 respectively). [[Image:Double Buffering Petri Net.png|thumb|Double Buffering Petri Net|center]]
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