Fdtd cuda3/31/2024 ![]() ![]() This is up to 30 times faster than the parallelised (OpenMP) CPU solver can achieve on a commonly-used desktop CPU (Intel Core i7-4790K). Our GPU solver achieved performance throughputs of up to 1194 Mcells/s and 3405 Mcells/s on NVIDIA Kepler and Pascal architectures, respectively. We designed optimal kernels for GPU execution using NVIDIA's CUDA framework. We have developed one of the first open source GPU-accelerated FDTD solvers specifically focused on modelling GPR. This is exacerbated by an order of magnitude when solving the inverse GPR problem or when using forward models to train machine learning algorithms. ![]() Additionally, forward simulations of GPR can necessitate hundreds of models with different geometries (A-scans) to be executed. ![]() The simulation of Ground Penetrating Radar (GPR) is one such challenge, where the GPR transducer, subsurface/structure, and targets must all be included in the model, and must all be adequately discretised. The volumetric nature of the FDTD technique means simulations often require extensive computational resources (both processing time and memory). The Finite-Difference Time-Domain (FDTD) method is a popular numerical modelling technique in computational electromagnetics. ![]()
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