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niuli

金虫 (小有名气)

[交流] 【其他】Pwscf不能并行计算

在服务器上安装pwscf,运行./configure 结束前出现如下信息:


ESPRESSO can take advantage of several optimized numerical libraries
(essl, fftw, mkl...).  This configure script attempts to find them,
but may fail if they have been installed in non-standard locations.
If a required library is not found, the local copy will be compiled.


The following libraries have been found:
  BLAS_LIBS= -lblas
  LAPACK_LIBS= -llapack
  FFT_LIBS=-L/public1/software/fftw/lib -lfftw3
Please check if this is what you expect.

If any libraries are missing, you may specify a list of directories
to search and retry, as follows:
  ./configure LIBDIRS="list of directories, separated by spaces"

Parallel environment detected successfully.\
Configured for compilation of parallel executables.

For more info, read the ESPRESSO User's Guide (Doc/users-guide.tex).
--------------------------------------------------------------------
configure: success
./install/configure: line 9250: sort: No such file or directory
./install/configure: line 9247: sed: No such file or directory

我看到并行环境已检测到,且显示成功安装,就没在意后面的两行是什么含义。make all后,尝试运行个例子。

运行命令:
/public1/software/mpich-1.2.7p1-intel/bin/mpirun -np 1 -machinefile ./machinefile1 /home/niuli/espresso-4.2/bin/pw.x  <./in2o3.scf.in> in2o3.scf.out &
(指定用1个处理器计算)
/public1/software/mpich-1.2.7p1-intel/bin/mpirun -np 4 -machinefile ./machinefile1 /home/niuli/espresso-4.2/bin/pw.x  <./in2o3.scf.in> in2o3.scf.out &
(指定用4个处理器计算)

结果发现1个处理器的能进行计算,4个处理器或2个以上都不能运算,结果文件中有如下信息:

p0_18612: (1000.488281) Procgroup:
p0_18612: (1000.488281)     entry 0: node1 0 0 /home/niuli/espresso-4.2/bin/pw.x niuli
p0_18612: (1000.488281)     entry 1: node 1 1 /home/niuli/espresso-4.2/bin/pw.x niuli
p0_18612: (1000.488281)     entry 2: 4 1 2 /home/niuli/espresso-4.2/bin/pw.x niuli
p0_18612: (1000.488281)     entry 3: node 1 3 /home/niuli/espresso-4.2/bin/pw.x niuli
p0_18612:  p4_error: Could not gethostbyname for host node; may be invalid name
: 1001


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niuli

金虫 (小有名气)

还是不能计算

服务器上装的是mpich-1.2.7p1,按照你说的也不能计算
3楼2010-10-12 14:41:05
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子虚乌有5388

木虫 (正式写手)

★ ★
niuli(金币+1):谢谢参与
niuli(金币+1):我试试 2010-10-12 14:35:13
zzy870720z(金币+1):谢谢指教 2010-10-12 14:36:41
你的是mpich2吧?试一下mpiexec -n 4 /home/niuli/espresso-4.2/bin/pw.x  <./in2o3.scf.in> in2o3.scf.out &
房无一间,地无一亩,身无分文,胸无大志。
2楼2010-10-12 14:32:13
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子虚乌有5388

木虫 (正式写手)

★
ym23(金币+1):欢迎常来交流 2010-10-12 16:13:10
你是运行例子还是在自己新建的目录下运算,如果是例子是不是并行的环境变量没有设置?你自己建一个目录试试,把例子的结构拷贝进去计算。
按理说有并行环境的话,pwscf默认的应该是并行安装。
房无一间,地无一亩,身无分文,胸无大志。
4楼2010-10-12 15:50:25
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goldenfisher

金虫 (著名写手)

★
niuli(金币+1):谢谢参与
p0_18612:  p4_error: Could not gethostbyname for host node; may be invalid name

关键是这句话。我觉得可能是不是你的machinefile文件有问题哦
5楼2010-10-12 15:53:43
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