新疆天文台Taurus高性能计算系统

Taurus High Performance Computing System of Xinjiang Astronomical Observatory

新疆天文台Taurus高性能计算系统由1个登陆节点、16个计算节点、2个I/O节点、100 TB高速存储组成。其中央处理器理论双精浮点计算能力6.758 4 Tflops,通过Linpack测试实际峰值为6.289 Tflops,可提供计算能力为理论值的93.06%;图形处理器理论计算能力18.72 Tflops,实际测试计算峰值为14.882 Tflops,计算效率为理论值的79.5%。系统计算与存储节点均采用56 Gb Infiniband交换互连,通过IOZone测试存储系统,单节点写速度可达460 MB/s,多节点写速度可达800 MB/s。系统已在多相滤波及消干扰图形处理器算法加速、蒙特卡罗模拟等领域得到了应用。

Taurus high performance computing system of Xinjiang Astronomical Observatory has 1 login node,16 compute nodes,2 I/O nodes and 100TB high-speed storage.In theory,the double precision floating-point computation capacity of CPUs is 6.7584Tflops.The actual peak turns out to be 6.289Tflops tested by Linpack,the available computation capability is 93.06%of the theoretical value.The computation capacity of the GPUs is 18.72Tflops in theory,while its practical peak is 14.882Tflops,the available computation capability is 79.5%of the theoretical value.The calculation nodes and the storage nodes are connected by 56Gb Infiniband network.Using IOZone for testing the storage performance,single-node writing reaches 460MB/s and multi-node writing can be 800MB/s.The Taurus HPC system has been applied in various fields such as GPU algorithm acceleration and Monte Carlo simulation.