The regional temperature prediction is the basis of the efficient heat dissipation in multiprocessor system-on-chips (MPSoCs).Based on the thermal resistance and capacitance (Thermal RC) model

this paper proposed a predictive thermal model combined with the second derivative.It predicts the temperature accurately with low complexity

and increases the prediction time length within a certain prediction error range to reduce the number of times that the prediction module is invoked and the extra power consumption.Experimental results show that

compared to the existing model combined with the first derivative

the proposed model increases the prediction length by 1.6 times within the same acceptable prediction error range.When the prediction time length is increased to 2.5s

the prediction accuracy of the proposed model is 3.84% higher than that of the contrastive model.