[MITgcm-support] topog.bin read error in exp2

[Zhi-Ping Mei]

HI,

I encountered similar problem when I compiled with pgi f77. When I specified pgif90 as fortran compiler, compilation was fine. 

Zhi-Ping



--- On Thu, 7/23/09, Jeff Haferman <jeff.haferman at gmail.com> wrote:

From: Jeff Haferman <jeff.haferman at gmail.com>
Subject: [MITgcm-support] topog.bin read error in exp2
To: mitgcm-support at mitgcm.org
Received: Thursday, July 23, 2009, 7:04 AM

Hi -
I'm trying to get the verification/exp2 example running.  I've built and run this successfully on a number of platforms over the last few years, so I'm not quite sure what the problem is, but on my current machine (running Centos 5.2 with Linux kernel 2.6.18-92 and Intel Xeons, i.e. an x86-64), I am building fine with both PGI and Sun Studio compilers.  But upon execution I'm getting:


PGFIO-F-253/unformatted read/unit=9/attempt to read non-existent record (direct access).
 File name = topog.bin    unformatted, direct access   record = 82
 In source file mdsio_read_field.f, at line number 2028


This is with the PGI compiler; I get a similar error with the Sun Studio compile, i.e. the code bombs out when it tries to read the topog.bin file.  I know this is a file filled with 64-bit binary values, and there are endian considerations to be made.



My build options are pretty simple, the important stuff is
DEFINES='-DALLOW_USE_MPI -DALWAYS_USE_MPI -DWORDLENGTH=4'
    FFLAGS='-byteswapio -r8 -Mnodclchk -Mextend'
    FOPTIM='-fastsse -Mvect=cachesize:524288,transform'



I'm wondering about -byteswapio and -r8 options... these have always worked fine on other Linux x86-64 machines.  I've copied the topog.bin file over from a machine where exp2 is working, and it is identical to the topog.bin on the machine where exp2 is not working.


Any ideas?


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