JXLIU Blog

「离开世界之前一切都是过程」

Rubygems: Temporary failure in name resolution

Gentoo

Problem A “Temporary failure in name resolution” error appeared when I upgrade Gentoo linux system. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>> Downloading 'https://rubygems.org/gems/psyc...

Posted by JXLIU on September 8, 2022

network problem due to mtu value

ssh problem

In the following, I divide the problem finding and problem solving into several stages. # stage 1. hanging on when accessing nfs nfs can be exported in the nfs server and can be mounted in the n...

Posted by JXLIU on August 28, 2022

Fortran function in a module

conflicts with symbol from module

Fortran function in a module function out of a module the function need to be declared when it is used in a subroutine or main program. program test implicit none real:: f ...

Posted by JXLIU on August 21, 2022

Removed MPI constructs

OpenMPI

Removed MPI Constructs Starting with v4.0.0, Open MPI — by default — removes the prototypes from mpi.h for MPI symbols that were deprecated in 1996 in the MPI-2.0 standard, and finally removed fro...

Posted by JXLIU on August 12, 2022

Gnuplot color names

color

Gnuplot color names

Posted by JXLIU on July 30, 2022

Install Parmetis using spack

spack

Install ParMERIS using spack 1 2 3 4 5 6 7 8 9 10 11 12 >> 17 CMake Error at /home/jxliu/software/spack/opt/spack/lin ux-centos7-skylake_avx512/gcc-11.2.0/cmake-3.23.1-bbc6p ...

Posted by JXLIU on July 11, 2022

26th week group meeting record

PSC

第 26 周组会记录 1. 文章回复 2. PWSO 3. PSC 扫描 overalloc : 从上到下， overalloc 依次为：2，4，8，16，32，64，128，256，512 扫描 nppc : 从上到下， nppc 依次为：10，100，400，1000，2000，4000 下周计划 PWSO 1D code 修改 baldur PSC

Posted by JXLIU on June 24, 2022

Discussion of running PSC using PBS

usage of OpenMPI

2022-06-17 讨论 PSC can not run psc_harris_xz case with PBS on multi-nodes 大集群： 1. 查看 openmpi 版本安装信息 ompi_info 系统 openmpi 版本信息 1 2 3 4 5 6 7 8 9 10 11 [jxliu@ln01 src]$ /usr/mpi/gcc/openmpi-4.0.3...

Posted by JXLIU on June 17, 2022

24th week group meeting record

PWSO-1D PSC

第 24 周组会记录 1. 辐射 PWSO 1D code \[\begin{array}{rl} \partial_{t} n_{i}-D \partial_{x}^{2} n_{i}=&C_{i}\left[\partial_{x} T\left(r_{\text {LCFS }}, t-\tau_{\text {delay }}\right)+T_{\text {loss...

Posted by JXLIU on June 11, 2022

Append current date to filename in bash shell

skill

Append current date to filename in bash shell A case 1 mpirun -n 4 psc_harris_xz >> "psc_harris_xz-`date +"%m-%d-%y"`.log"

Posted by JXLIU on June 10, 2022