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Updated: Jun 29, 2025

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis
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混合编程模型策略用于电子结构计算内核的GPU卸载

Jean-Luc Fattebert1, Christian F A Negre2, Joshua Finkelstein2

  • 1Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.

The Journal of chemical physics
|March 29, 2024
PubMed
概括

我们开发了基本矩阵库 (BML) 和PROGRESS库,以提高电子结构解决器的性能和跨CPU和GPU的可移植性. 这些库允许对密度函数理论和紧密结合模型的单粒子密度矩阵进行高效的计算.

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Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
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A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
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