【摘要】：Millennium-2是目前規(guī)模最大的宇宙演化數(shù)值模擬項(xiàng)目。用光滑粒子動(dòng)力學(xué)描述粒子對(duì)空間的影響,并用輻射傳輸方程構(gòu)建光照模型,可繪制宇宙演化的真實(shí)感圖像。由算法的能量合成保持線性形式的特點(diǎn)得到一種粒子并行的并行辦法。將粒子足跡沿掃描線細(xì)分,可緩解程序分支擴(kuò)散和粒度不均勻的問(wèn)題,使該辦法可以在CUDA平臺(tái)上實(shí)現(xiàn)。測(cè)試數(shù)據(jù)證明本文的方法是有效的。
[Abstract]:Millennium-2 is the largest numerical simulation project for cosmic evolution. The smooth particle dynamics is used to describe the influence of particles on space, and the illumination model is constructed by using the radiation transfer equation. The realistic image of the evolution of the universe can be drawn. A parallel method of particle parallelism is obtained from the characteristic that the energy synthesis of the algorithm preserves the linear form. By subdividing the particle footprint along the scanning line, the problems of branch diffusion and uneven granularity can be alleviated, and the method can be implemented on the CUDA platform. The test results show that the proposed method is effective.
【作者單位】： 浙江傳媒學(xué)院新媒體學(xué)院;
【基金】：浙江省科技廳公益技術(shù)工業(yè)研究項(xiàng)目(2010C31090)資助
【分類(lèi)號(hào)】：P159
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本文編號(hào)：2425352