Multicore and Accelerator Development for a Leadership-Class Stellar Astrophysics Code

被引：0
|
作者：
Messer, O. E. Bronson [1 ,2 ]
Harris, J. Austin [2 ]
Parete-Koon, Suzanne [1 ]
Chertkow, Merek A. [2 ]
机构：
[1] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37831 USA
[2] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
来源：
APPLIED PARALLEL AND SCIENTIFIC COMPUTING (PARA 2012) | 2013年 / 7782卷
关键词：
OpenMP; GPU; OpenACC; supernovae; stellar astrophysics; GAMMA-RAY BURST; CORE-COLLAPSE; SUPERNOVA; NEUTRINO; STARS;
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
We describe recent development work on the core-collapse supernova code CHIMERA. CHIMERA has consumed more than 100 million cpu-hours on Oak Ridge Leadership Computing Facility (OLCF) platforms in the past 3 years, ranking it among the most important applications at the OLCF (1). Most of the work described has been focused on exploiting the multicore nature of the current platform (Jaguar) via, e. g., multithreading using OpenMP. In addition, we have begun a major effort to marshal the computational power of GPUs with CHIMERA. The impending upgrade of Jaguar to Titan - a 20+ PF machine with an NVIDIA GPU on many nodes - makes this work essential.
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页码：92 / 106
页数：15
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