Benchmarking a Beowulf Cluster Post: 302315204

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Special Forums UNIX and Linux Applications High Performance Computing Benchmarking a Beowulf Cluster Post 302315204 by mercthunder on Monday 11th of May 2009 09:47:24 PM

05-11-2009

Registered User

Quote:

Originally Posted by otheus

Uh-hunh. I wouldn't completely trust that if I were you. Let's take it step-by-step.

Use "type" or "which" or "whence" to find the full path of the linpack executable:
Code:
```
type -a hpl
```

Hi Otheus. After typing in which -a hpl, this is what comes up:

/usr/bin/which: no hpl in (/usr/local/openmpi-1.2.6/bin:/usr/local/lam-7.1.4/bin:/usr/local/openmpi-1.2.6/bin:/usr/local/lam-7.1.4/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/usr/NX/bin:/home/jleungsh/bin:/usr/NX/bin)

Which of those directories is the correct one?

I have skipped down to step 6 in the mean time, and i get this:

[jleungsh@hydrus14 em64t]$ mpirun -np 8 printenv LD_LIBRARY_PATH
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:
/usr/local/openmpi-1.2.6/lib:

Thanks

Last edited by mercthunder; 05-11-2009 at 10:53 PM..

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ld

ld(1B)						     SunOS/BSD Compatibility Package Commands						    ld(1B)

NAME

       ld - link editor, dynamic link editor

SYNOPSIS

       /usr/ucb/ld [options]

DESCRIPTION

       /usr/ucb/ld  is	the  link  editor  for	the BSD Compatibility Package. /usr/ucb/ld is identical to /usr/bin/ld (see ld(1)) except that BSD
       libraries and routines are included before the base libraries and routines.

OPTIONS

       /usr/ucb/ld accepts the same options as /usr/bin/ld, with the following exceptions:

       -Ldir	    Add dir to the list of directories searched for libraries by /usr/bin/ld. Directories specified with this option are  searched
		    before /usr/ucblib and /usr/lib.

       -Y LU,dir    Change the default directory used for finding libraries.

		    This option can have unexpected results, and should not be used.

FILES

       /usr/lib

       /usr/lib/libx.a

       /usr/ucblib

       /usr/ucblib/libx.a

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       ar(1), as(1), cc(1B), ld(1), lorder(1), strip(1), tsort(1), attributes(5)

SunOS 5.11							    28 Jun 2007 							    ld(1B)