37results about How to "Obvious speed advantage" patented technology

The present application relates to a kind of frequency domain-space domain fusion perception methods for 2.5D integrated circuit fast high-precision thermal prediction, the network includes frequency space thermal encoder module, frequency domain cross-scale interaction module, frequency domain-space domain hybrid loss function (FSL) and model input and pre-processing network (PPNet).Frequency space thermal encoder module combines adaptive multi-frequency embedding and 3D convolutional neural network, extracts high-to-low frequency thermal dissipation gradient feature and detailed spatial feature;Frequency domain cross-scale interaction module realizes multi-scale feature interaction through cross attention mechanism, solves semantic gap problem;Frequency domain-space domain hybrid loss function loss function combines spatial mean square error and frequency domain loss, suppresses high-frequency thermal gradient noise.The present application first realizes the thermal prediction of frequency domain-space domain dual-domain perception, significantly improves prediction accuracy and speed, and has excellent generalization ability, and can be widely applied to the thermal management field of 2.5D integrated circuit.