The claim that all physical machines are linearly scalable is false, as hardware performance is constrained by fundamental bottlenecks such as Amdahl's law, communication overhead, and physical properties like electron delocalization.
Evidence against · 2
How Amdahl's Law limits the performance of large artificial neural networks : why the functionality of full-scale brain simulation on processor-based simulators is limited.
2019 · cited by 4
Paper [2] demonstrates that physical machines and neural network simulators face performance saturation and scaling limitations governed by Amdahl's Law rather than being linearly scalable.
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More against · 1
Linear Weak Scalability of Density Functional Theory Calculations without Imposing Electron Localization.
2022 · cited by 2
Paper [5] highlights that physical systems and material electron structures frequently experience deviations from linear scaling due to quantum confinement or delocalization.