[MITgcm-devel] problems with sp4 opt file

[Ed Hill]

On Thu, 2005-11-17 at 09:24 +0100, Martin Losch wrote:
> Hallo Ed,
> 
> I tried to adopt the sp4+mpi optfile to work on our IBM and I ran into 
> the problem that almost all test for system libraries fail:
> > ===  Checking system libraries  ===
> >   Do we have the system() command using mpxlf95_r -q64...  yes
> >   Do we have the fdate() command using mpxlf95_r -q64...  no
> >   Do we have the etime() command using mpxlf95_r -q64...  no
> >   Can we call simple C routines (here, "cloc()") using mpxlf95_r 
> > -q64...  no
> >   Can we unlimit the stack size using mpxlf95_r -q64...  no
> >   Can we use stat() through C calls...  no
> >   Can we create NetCDF-enabled binaries...  yes
> The first three are fine and correct (they do not try to run the 
> executable), but the next three fail because of the followingvi  error 
> (when they are run after successful compilation):
> ERROR: 0031-808  Hostfile or pool must be used to request nodes
> because apparently an exectuable generated with mpxlf95 requires to be 
> run in an mpi environment, which is not done within genmake2. the 
> netcdf test passes, because the executable is not run (as in the case 
> for the first three test).
> 
> So there is an inconsistency there, isn't it? Some of the test require 
> running the test-executable (test for cloc, unlimit stack size, and 
> stat) and some don't (netcdf, system, fdate, etime). Regardless of how 
> important or unimportant the passing of any of the tests is, the 
> testing procedure itself fails if one compiles with MPI. Is it really 
> necessary to try to run the executables? Or is it enough to check 
> whether the compilation and link-step is successful (as in the case of 
> netcdf)?

Hi Martin,

You're right.  Its best just to check that compiles succeed and not to
run any of the programs.  So I'll remove the run-checks later today.

Ed

-- 
Edward H. Hill III, PhD
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