In computer architecture, Gustafson's law (or Gustafson–Barsis's law) gives the speedup in the execution time of a task that theoretically gains from parallel computing, using a hypothetical run of the task on a single-core processor as the baseline. To put it another way, it is the theoretical slowdown of an already parallelized task if running on a serial processor.
In computer architecture, Gustafson's law (or Gustafson–Barsis's law) gives the speedup in the execution time of a task that theoretically gains from parallel computing, using a hypothetical run of the task on a single-core processor as the baseline. To put it another way, it is the theoretical slowdown of an already parallelized task if running on a serial processor.
Source: Wikipedia "Gustafson's law" · CC BY-SA 4.0
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