摘要 : We use the graphics processing unit (GPU) for fast calculations of helicity amplitudes of physics processes. As our first attempt, we compute uu → nγ (n = 2 to 8) processes in pp collisions at √ s = 14 TeV by transferring the MadG... 展开 We use the graphics processing unit (GPU) for fast calculations of helicity amplitudes of physics processes. As our first attempt, we compute uu → nγ (n = 2 to 8) processes in pp collisions at √ s = 14 TeV by transferring the MadGraph generated HELAS amplitudes (FORTRAN) into newly developed HEGET (HELAS Evaluation with GPU Enhanced Technology) codes written in CUDA, a Cplatform developed by NVIDIA for general purpose computing on the GPU. Compared with the usual CPU programs, we obtain a 40–150 times better erformance on the GPU. 收起