[MITgcm-support] Bug R_X86_64_PC32

[Nataliya Stashchuk]

My grid is 1000x50x90. I use gcc/g77. Should I change compiler?


Nataliya 

-----Original Message-----
From: mitgcm-support-bounces at mitgcm.org
[mailto:mitgcm-support-bounces at mitgcm.org] On Behalf Of Martin Losch
Sent: 05 September 2006 15:09
To: mitgcm-support at mitgcm.org
Subject: Re: [MITgcm-support] Bug R_X86_64_PC32

I guess you can try -mcmodel=large,
but if that doesn't work, you'll have to reduce your number of nodes  
per CPU. What are your domain dimensions (that is, content of SIZE.h)?

Martin

On Sep 5, 2006, at 4:02 PM, Nataliya Stashchuk wrote:

>
> Dear all,
>
> I added -mcmodel=medium to FFLAGS, but I still have "relocation
> truncated to fit: R_X86_64_PC32 against symbol". What should I do  
> next?
>
> Regards,
> Nataliya
>
>
> FC=g77
> DEFINES='-D_BYTESWAPIO -DWORDLENGTH=4'
> CPP='cpp  -traditional -P'
> NOOPTFLAGS='-O0'
> #MAKEDEPEND=/usr/X11R6/bin/gccmakedep
> MAKEDEPEND=/usr/X11R6/bin/makedepend
> #  For IEEE, use the "-ffloat-store" option
> if test "x$IEEE" = x ; then
>     FFLAGS='-Wimplicit -Wunused -Wuninitialized -mcmodel=medium'
>     FOPTIM='-O3 -funroll-loops'
> else
>     FFLAGS='-Wimplicit -Wunused -ffloat-store -mcmodel=medium'
>     FOPTIM='-O0 '
> Fi
>
>
>
>
>
> -----Original Message-----
> From: mitgcm-support-bounces at mitgcm.org
> [mailto:mitgcm-support-bounces at mitgcm.org] On Behalf Of Martin Losch
> Sent: 05 September 2006 13:03
> To: mitgcm-support at mitgcm.org
> Subject: Re: [MITgcm-support] Bug R_X86_64_PC32
>
> Nataliya,
>
> this is not a bug, but your model dimensions are so large that the
> compiler cannot allocate the fileds on stack. Only last month there
> were postings on this list about that, if you do a search (on http://
> mitgcm.org/search.html, the source of wisdom (o:) on "relocation
> truncated", you'll get these messages
>
> http://mitgcm.org/pipermail/mitgcm-support/2006-July/004145.html
> http://mitgcm.org/pipermail/mitgcm-support/2006-July/004147.html
> http://mitgcm.org/pipermail/mitgcm-support/2006-August/004158.html
>
> Depending on your compiler you have to use a different memory model
> (whatever that means). For pgf77 this is done by adding the option "-
> mcmodel=medium" to the compiler flags FFLAGS (in the build_options
> file, whichever you use), other compilers may have different options.
>
> Martin
>
> On Sep 5, 2006, at 1:30 PM, Nataliya Stashchuk wrote:
>
>> Dear all,
>>
>>
>> I tried to enlarge grid in my MIT code and found the following bug:
>>
>>
>>
>> mon_init.o: In function `mon_init__': mon_init.f:(.text+0x32):
>> relocation truncated to fit: R_X86_64_PC32 against symbol `mon_l__'
>> defined in COMMON section in mon_advcfl.o
>>
>> monitor.o: In function `monitor_': monitor.f:(.text+0x3ce):
>> relocation truncated to fit: R_X86_64_PC32 against symbol `mon_l__'
>> defined in COMMON section in mon_advcfl.o
>>
>> monitor.f:(.text+0x530): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_l__' defined in COMMON section in mon_advcfl.o
>>
>> monitor.f:(.text+0x66f): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_l__' defined in COMMON section in mon_advcfl.o
>>
>> monitor.f:(.text+0x679): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_l__' defined in COMMON section in mon_advcfl.o
>>
>> mon_out.o: In function `mon_out_all__': mon_out.f:(.text+0x11e):
>> relocation truncated to fit: R_X86_64_PC32 against symbol `mon_i__'
>> defined in COMMON section in mon_advcfl.o
>>
>> mon_out.f:(.text+0x13e): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_i__' defined in COMMON section in mon_advcfl.o
>>
>> mon_out.f:(.text+0x22c): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_l__' defined in COMMON section in mon_advcfl.o
>>
>> mon_out.f:(.text+0x2f3): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_i__' defined in COMMON section in mon_advcfl.o
>>
>> mon_out.f:(.text+0x312): relocation truncated to fit: R_X86_64_PC32
>> against symbol `mon_i__' defined in COMMON section in mon_advcfl.o
>>
>> mon_set_iounit.o: In function `mon_set_iounit__':
>>
>> mon_set_iounit.f:(.text+0x1c): additional relocation overflows
>> omitted from the output
>>
>> make: *** [mitgcmuv] Error 1
>>
>>
>>
>> Could anybody help me with this stuff?
>>
>>
>> Regards,
>>
>>
>> Nataliya Stashchuk
>>
>>
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>> MITgcm-support at mitgcm.org
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>
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