[Nek5000-users] ERROR of compilating

[nek5000-users at lists.mcs.anl.gov]

Hi Paul,

Thanks a lot for replying so soon. It indeed solved my problems.

Regards,


Andrew

2016-02-17 16:26 GMT+01:00 <nek5000-users at lists.mcs.anl.gov>:

>
> Hi Andrew,
>
> It looks like you are trying to compile for too large a case.
>
> Two things to look for ---
>
> 1) Use the -mcmodel=medium flag in makenek
>
>     Go to G= in makenek, uncomment, and change it to
>
>
>  G="-mcmodel=medium"
>
> 2)  What is your lelt value in SIZE ?    If you have (say) 100 elements
> and are running on 8
>      processors, you would only need
>
>      lelt=100/8 = 13 or 14
>
>      (Even numbers are preferred for byte-alignment reasons.)
>
> You would not need lelt=100.
>
> This change would reduce your memory footprint by 8x.
>
> Paul
>
>
> ------------------------------
> *From:* nek5000-users-bounces at lists.mcs.anl.gov [
> nek5000-users-bounces at lists.mcs.anl.gov] on behalf of
> nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
> *Sent:* Wednesday, February 17, 2016 8:17 AM
> *To:* nek5000-users at lists.mcs.anl.gov
> *Subject:* [Nek5000-users] ERROR of compilating
>
> Hi all,
>
> I have a compilation issue with my example.
> I created a mesh 3D using n2to3 from the  file w2dcyl020a.rea. I don't
> have any issue with compilation. Then I refined the mesh 2D using pretex
> and rebuilt the mesh 3D with n2to3 like before this and this time  an error
> message occured:
>
> "obj/stenosis.o: In function `uservp_':
> stenosis.f:(.text+0xd): relocation truncated to fit: R_X86_64_PC32 against
> symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x1b): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x29): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> obj/stenosis.o: In function `userf_':
> stenosis.f:(.text+0x35): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x3c): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x43): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> obj/stenosis.o: In function `userq_':
> stenosis.f:(.text+0x53): relocation truncated to fit: R_X86_64_PC32
> against symbol `nekuse_' defined in COMMON section in obj/stenosis.o
> obj/stenosis.o: In function `userchk_':
> stenosis.f:(.text+0x73): relocation truncated to fit: R_X86_64_PC32
> against symbol `dimn_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x189): relocation truncated to fit: R_X86_64_PC32
> against symbol `dimn_' defined in COMMON section in obj/stenosis.o
> stenosis.f:(.text+0x1e7): relocation truncated to fit: R_X86_64_PC32
> against symbol `dimn_' defined in COMMON section in obj/stenosis.o
> obj/stenosis.o: In function `userbc_':
> stenosis.f:(.text+0x2b4): additional relocation overflows omitted from the
> output
> collect2: ld a retourné 1 code d'état d'exécution
> make: *** [nek5000] Erreur 1"
>
> The same issue occures if I change the parameters lx1 and lxd in SIZE-file.
>
> Does anybody have an idea on how to fix this?
> Thank you for any help or suggestion.
>
> *Andrew*
>
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