Application of this concept to SIMD systems is known as Braunl's law.
Application of this concept to SIMD systems is known as Braunl's law. A refutation of this concept was made by Jon Gustafason when he noted the supreme increase in the amounts of data being used at Sandia labs. This idea was introduced in a speech that describes the correctness of Moore's Law but it is more important to consider the gains resulting from parallelism. This concept's associated formula relates the portion affected by a speedup divided by the total time of the system to the new running time. For 10 points, name this concept used to study computer architecture and programming optimization that illustrates the diminishing marginal returns of being able to speed up a portion of a pipeline or a program. 
Application of this concept to SIMD systems is known as Braunl's law.
Amdahl's Law