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Odd error when using OpenFOAM compiled with --march=native

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Old   October 15, 2012, 23:36
Default Odd error when using OpenFOAM compiled with --march=native
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Nishit Joseph
Join Date: Nov 2010
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Hi OF Users!
I recentely compiled the OpenFOAM-2.1.x on two types of processor.

Machine 1
Dell Laptop: Intel i7-2670QM CPU

Machine 2
HPC Cluster: AMD Opteron Processor 2376

Everything seemed fine until I tried the following.

1. Run a case using rhoCentralFoam on Machine 2
2. Download the case to Machine 1
3. Try to continue the run on Machine 1.

I get this error.
Code:
--> FOAM FATAL ERROR: 
Attempt to cast type N4Foam5token8CompoundINS_4ListIdEEEE to type N4Foam5token8CompoundINS_4ListINS_6VectorIdEEEEEE

    From function dynamicCast<To>(From&)
    in file /home/jlight/OpenFOAM/OpenFOAM-2.1.x/src/OpenFOAM/lnInclude/typeInfo.H at line 93.

FOAM aborting
Both were compiled with gcc 4.7.2. Is the error possible because of the compiler option? Or should I start considering re-compiling the OF without the -march=native option.

I used older version of OF (1.7.1 and 2.0.0) without the march=native option and never had this issue.

Cheers!

Nishit
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