Installation problem: 32-bit libraries not found on this system on Ubuntu...
Hi all,Ijust installed Ubuntu 14.04 LTS to my 64bit laptop.I downloaded Intel Fortran Composer XE for Linux - Version 2013 SP1.During the installation I got "Unsupported operating system error" but I...
View Article14.0.2 Internal Compiler ErrorT
The following code triggers an internal compiler error with 14.0.2 when compiled with -standard-semanticssubroutine fubar (array, mask) integer, allocatable :: array(:) logical :: mask(:) array =...
View ArticleAllocatable components and OpenMP?
The following case leads to a segmentation fault at run time with ifort. I think that perhaps allocatable components are only supported in OpenMP 4.0 (?), so in that case perhaps it is too early to...
View ArticleIEEE set halting mode and optimization
Dear all,I found that some optimizations override IEEE instructions when using ifort 13.1.0:program test ! use, intrinsic :: ieee_exceptions implicit none ! integer, parameter :: RKIND = 16 !...
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ifort compile errors
I have compiled a model, named GSI. There is a error occured. It says as following,w3fp10.f(1): catastrophic error: **Internal compiler error: internal abort** Please report this error along with the...
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Assignment to an allocatable array not working (using -assume realloc_lhs)
If you use the -assume realloc_lhs or -standard-semantics compile flags to get standard-conforming behavior, assignment to an allocatable lhs array works properly under most circumstances. However,...
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Optimizer error with -standard-semantics, c_f_procpointer, and value attribute
Over the last few months there have been some posts about issues involving C_PTR, the VALUE attribute, and the -standard-semantics option. I'm having a problem with 14.0.2 that I think may be...
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error #6691 test case
I ran into a compilation error #6691: "A pointer dummy argument may only be argument associated with a pointer." I generated a test case for it, which I'm including. I can solve the error by removing...
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Huge slowdown when packing arguments into derived type with pointers
Hello everybody,I have a complicated structure which a driver subroutine calls several user libraries. Many arguments need to be passed. To avoid the possibility of making a mistake, I decided to pack...
View ArticleCode works 100% of the time on Mac OS X and only sometimes on Unux
Hi I am by no means a computer scientist and this is my first post. I am a graduate student in chemistry and my lab has 2 pieces of Fortran 90 code which work together to calculate a certain property...
View ArticleTechnical presentation May 1 on Intel C++ and Fortran XE 2015
Hi all,We've got a technical presentation coming tomorrow (9am Pacific) on one of the key new features in Intel® Composer XE 2015 (both C++ and Fortran). If you're interested in performance tuning...
View ArticleLinking against Fortran libraries with mixed compilers
If I have a library built from one or fortran modules, is it possible to compile it with fort into object files or library archives, then link against it from a main program compiled & linked with...
View Articlesubroutine with many arguments - how to ensure maximum performance?
Hello,I have a performance-critical peice of code that currently sits in a nested loop, e.g.:do kk=1,k_max do jj=1,j_max do ii=1,i_max function_with_11_inputs_4_outputs enddo enddo enddoFor...
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Optimization problem with allocatable arrays
I detected a performance regression in ifort 14.0 when using allocatable arrays. Optimization is perfect when using fixed size arrays, optimization does not work properly when using autoparallelization...
View Articlebash intel linux setup
Dear intel linux user,The fortran ifort does not work on my bash. As I usually do in my ubuntu, I have opened the bash.bashrc file and I have put the following line:source...
View ArticleSegmentation fault with debug
The program is listed below.Using: ifort (IFORT) 14.0.1 20131008Platform: LinuxCompiling with "ifort test.f90" works fine. Compiling with "ifort -g test.f90" gives:cesr109:~/linux_lib/test> ./a.out...
View Articleerror: ifort not found in PATH when using abaqus in ubuntu
Hi dear allWhen I trying to use a subroutine in Abaqus(6.11.3) error occurs: Problem during compilation: ifort not found in path.I tried the intel fortran 2011 & 2013, this error is always there....
View ArticleRun-time error 65: floating invalid
Hi all,I have encountered this error ("forrtl: error (65): floating invalid") when running a code in which I have defined a kind for real and integers number, through the intrinsic function...
View Articlegeneric type bound proc with bibding in a base class
Hi, ifort does not compile the following code because:ifort -c m.f90 m.f90(15): error #8423: In GENERIC type bound procedure definition each binding name must be the name of a specific binding of the...
View ArticleQuestions about performances and parallelism with iFort and openMP
Hello,I've questions about performances and parallelism with openMP run on a single thread (mono-thread).My team and I are developing a fortran source code which is compiled with iFort12. For some...
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