多节点测试
需关闭各个节点的防火墙
systemctl stop firewalld
编辑节点文件，输入节点主机名或IP地址
vim nodes
eg:
修改HPL.dat
HPLinpack benchmark input file
Innovative Computing Laboratory, University of Tennessee
HPL.out output file name (if any)
6 device out (6=stdout,7=stderr,file)
1 # of problems sizes (N)
1200 Ns
1 # of NBs
232 NBs
0 PMAP process mapping (0=Row-,1=Column-major)
1 # of process grids (P x Q)
1 Ps
4 Qs
16.0 threshold
1 # of panel fact
0 PFACTs (0=left, 1=Crout, 2=Right)
1 # of recursive stopping criterium
2 NBMINs (>= 1)
1 # of panels in recursion
2 NDIVs
1 # of recursive panel fact.
0 RFACTs (0=left, 1=Crout, 2=Right)
1 # of broadcast
0 BCASTs (0=1rg,1=1rM,2=2rg,3=2rM,4=Lng,5=LnM)
1 # of lookahead depth
1 DEPTHs (>=0)
2 SWAP (0=bin-exch,1=long,2=mix)
64 swapping threshold
0 L1 in (0=transposed,1=no-transposed) form
0 U in (0=transposed,1=no-transposed) form
1 Equilibration (0=no,1=yes)
8 memory alignment in double (> 0)
运行hpl
mpiexec -np 4 -machinefile ./nodes ./xhpl
Original: https://www.cnblogs.com/blueurl/p/16297103.html
Author: InaRwi
Title: CentOS7 单节点和多节点 HPL测试
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