CAJ | 학술논문

为实现核反应堆pin-by-pin精细Monte Carlo粒子输运模拟，研发了组合几何Monte Carlo粒子输运支撑软件框架JCOGIN以支撑千万个几何体、百亿个粒子的Monte Carlo粒子输运大规模并行计算。JCOGIN框架采用层次式、模块化的体系结构设计了适应现代高性能计算机体系结构特征的数据结构，在此基础上实现了对粒子并行与区域分解相耦合的两级并行计算的支撑。在 JCOGIN 框架下研发了JM C T程序，并进行性能测试，在2万个处理器核上并行效率达70％；基于区域分解完成了大亚湾全堆芯pin-by-pin模型模拟，几何体数达千万，粒子数达百亿。
위실현핵반응퇴pin-by-pin정세Monte Carlo입자수운모의，연발료조합궤하Monte Carlo입자수운지탱연건광가JCOGIN이지탱천만개궤하체、백억개입자적Monte Carlo입자수운대규모병행계산。JCOGIN광가채용층차식、모괴화적체계결구설계료괄응현대고성능계산궤체계결구특정적수거결구，재차기출상실현료대입자병행여구역분해상우합적량급병행계산적지탱。재 JCOGIN 광가하연발료JM C T정서，병진행성능측시，재2만개처리기핵상병행효솔체70％；기우구역분해완성료대아만전퇴심pin-by-pin모형모의，궤하체수체천만，입자수체백억。
The combinatorial geometry Monte Carlo particle transport infrastructure JCOGIN was introduced . The architecture and data structure of JCOGIN were designed .Further ,particle parallelism and decomposition parallelism were designed and implemented to support the up to 10 million solids and 10 billion particles . By the testing ,JMCT which was developed on JCOGIN reaches the parallel efficiency of 70%on 20 480 cores for outside source problem (P9) with 2G particles .By the decompo-sition parallelism ,the pin-by-pin computation of the Dayawan reactor was implemented , and the number of the solids is up to 10 million and the number of particles is up to 10 billio n .