This graph shows how adding more processors does not always mean we will observe a speedup. When the problem size is too small, we may actually see a decrease in speed because communication costs outweigh the benefit of parallel computation.
Processor designers need to ensure that their allows for scaling down the number of processors used.
This graph shows how adding more processors does not always mean we will observe a speedup. When the problem size is too small, we may actually see a decrease in speed because communication costs outweigh the benefit of parallel computation.
Processor designers need to ensure that their allows for scaling down the number of processors used.
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