Development of Lattice QCD Simulation System on PC Cluster

PC集群上格子QCD仿真系统的开发

基本信息

批准号：
12554008
负责人：
NAKAMURA Atsushi
金额：
$ 7.74万
依托单位：
HIROSHIMA UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2000
资助国家：
日本
起止时间：
2000 至 2002
项目状态：
已结题

项目摘要

QCD (Quantum Chromo-Dynamics) is the theory of quarks and gluons. Numerical simulations of lattice QCD formulated by Wilson are the most powerful and reliable method to study QCD. Due to the fast development of computers, I.e., the price becomes lower and the speed increases rapidly, the lattice QCO simulations on PC cluster become possible, many researchers in elementary/nuclear physics are interested in the method.Although many theoretical physicists in elementary particle and nuclear physics understand lattice QCD well, it is difficult for them to perform lattice QCD simulations, since it required many knowledge of numerical simulation techniques and long time. In this project wehlave developed an open source code of lattice QCD in Fortran 90. The code is called Lattice Tool Kit in Fortran90 (LTK f90) and can be found athttp://nio-mon.riise.hiroshirna-u.ac.jp/~LTK/Thanks to the module in Fortran90, we can write programs which are similar to the algorithm and easy to understand. Because Fortran90 sometime depends on the compiler of the machine, we have prepared a user-manual, which can also be obtained on the above web.We use MPI (Message Passing Interface) to parallelize the code,and then large lattice size simulations are possible.MPI is the most effective way for parallel programming, but it is not so easy for non-specialist, and also a code with MPI can not be executed under non-MPI compiler. We are now developing a HPF (High Performance Fortran) version of LTK.

QCD（量子铬动力学）是夸克和胶子的理论。威尔逊制定的晶格QCD的数值模拟是研究QCD的最强大和可靠的方法。 Due to the fast development of computers, I.e., the price becomes lower and the speed increases rapidly, the lattice QCO simulations on PC cluster become possible, many researchers in elementary/nuclear physics are interested in the method.Although many theoretical physicists in elementary particle and nuclear physics understand lattice QCD well, it is difficult for them to perform lattice QCD simulations, since it required many knowledge of numerical simulation techniques and long time. In this project wehlave developed an open source code of lattice QCD in Fortran 90. The code is called Lattice Tool Kit in Fortran90 (LTK f90) and can be found athttp://nio-mon.riise.hiroshirna-u.ac.jp/~LTK/Thanks to the module in Fortran90, we can write programs which are similar to the algorithm and easy理解。因为有时候fortran90取决于机器的编译器，所以我们已经准备了用户手术，这也可以在上面的网络上获得。我们使用MPI（消息传递接口）并行化代码，然后大型晶体尺寸模拟可能是可能的。MPI是可能的。MPI是对非规范的最有效的方法，而不是执行MPI，而不是执行MPI，并且MPI也不是MPI。现在，我们正在开发HPF（高性能供应）版本的LTK。