3D integration technology has the potential to enhance IC performance, improve functionality and lessen wiring of ICs. However, it poses several challenges, where the key challenge is heat generation from internal active layers due to power dissipation. To mitigate this challenge, thermal aware design has become a necessity. Towards thermal aware design, this paper proposes a two stage design technique. In the first stage, a temperature-power thermal model is created to calculate power dissipated by an IC at an input temperature. The proposed model calculates power dissipated by 2D and 3D ICs with an average error of 0.37% and 25% respectively. Power calculation helps in process variation, validation of power models and minimization of temperature gradients. In the second stage, thermal aware mapping is performed for the ICs. For thermal aware mapping, three mapping algorithms are proposed to account for different resource (processor) availability scenarios. Each algorithm utilizes temperature-power thermal model (from the first design stage) to map applications to processing elements in a 3D IC. The proposed two stage design technique performs faster temperature to power calculations than existing techniques. It provides a simplified approach to mapping compared to existing techniques by utilizing power dissipated by processing elements to map applications.
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