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kmp_reduce non atomic


I have studied the openmp reduction function kmp_reduce and the conclusion is : 

if (lck!=NULL) ==> we can do CRITICAL version
if (reduce_data!=NULL && reduce_func!=NULL) ==> we can do TREE version
if ((loc->flags & KMP_IDENT_ATOMIC_REDUCE) == KMP_IDENT_ATOMIC_REDUCE) ==> we can do ATOMIC version

So i have created 3 flags which tests the conditions above (CRITICAL, TREE, ATOMIC)

I have done some tests of openmp reductions to look at the results of these flags, but it seems to be always at 1.

Intel Fortran Static Library with OpenMP enabled


In our group, we work with different versions of Intel Visual Fortran. Recently, we have included some parallelization directives in some subroutines. It seems that when we create a static library with an older version of Intel Fortran that includes OpenMP parallelization, this library cannot run properly in a new version of Intel Visual Fortran, producing a run-time error. Is this normal? Would it be any way around it? When we do not include processing for OpenMP directives, the functioning of the library is proper. Thank you very much.

troubleshooting user subroutine with abaqus 6.10

Hi Dear,


Im trying to implement subroutine umat(user defined code is written in 2006- not sure which version of abaqus is used?! ) and run a job.However, i,m getting this error through  abaqus cae and cmd (attached file),i was wondering if you could help me out?i,m using abaqus 6.10 -VS2008-IVF 11 AND successfully run some examples from abaqus verification.i also can send my fortran file ( .for) and input abaqus file for more clarification if you require.

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  • Fortran pointer error inside subroutine

    Dear all,

    The following minimal code will yield to many issues with ifort and visual studio 2013 12.0.31101.00 update 4, but I couldn't figure out what is wrong with it. It produces three issues when a structure has a member which has pointers as sub-structure. I also don't understand why it reports error when I pass the pointer inside a subroutine and declare it as pointer  (toBeCalled2). In fact, another piece of my code seems to be doing the same thing but ran into no issue. Any comment is appreciated

    Allocatable Array of Inherited Derived Types Issues in Fortran

    I'm attempting to create global-ish-ly available allocatable array of a set of derived types that share inheritance with a single object. Fortran does not seem to make this very easy. The below is what I have so far.

    First the derived types and module with the allocatable array.

    dynamic character array of deferred length in subroutine

    I have found that that dynamic character array of deferred length in subroutine could not be allocated.

    Here is the sample code. One array is declared in the main program (var name is array_main) and is being passed to subroutine. In subroutine this array is being declared as array_sub1. Also subroutine contains another array - array_sub2.

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