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Segmentation fault only when vectorization is enabled

Part of my code has been vectorized using !$omp simd. Whenver I have the vectorization enabled I get an error saying " array index out of bounds". The code line it points I find quite random, since...

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mlk error "Undefined symbols for architecture x86_64" on macOS Mojave

I’m relatively new in Intel Fortran compiler. I'm trying to use MKL library. I have followed the instruction to install the compiler and the library. I ran compilervars.sh and mklvars.sh with intel64...

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Dwarf debug info missing for variable used in contained routine

Consider the following test  program:program testimplicit nonecall bmad_parserx ()end program!------------------------------subroutine bmad_parserx ()implicit noneinteger zzz, kkzzz = 2call...

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License Error noted While Trying to Execute Compiler

Recently installed the latest Intel Fortran compiler and input my license key and got everything installed. While trying to execute the compiler I'm getting a license error $...

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can't get value correctly from fortran dll to VB.net back

Hi Everyone,I can't make the following code working in VS2015 with IVF, though it is very simple. Value C from dll is always 0, not 6.0 as expected. Thanks so much.//my VB code:Public Class Form1...

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Fortran compiler accepts type mismatch?

Hi,using Fortran77 I came upon some code that uses a 'trick' to do dynamic procedure calls.I did some tests and actually wondered why the compiler (ifort 14.0) silently compiles this code? The code...

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Strange run-time errors while reading an UNFORMATTED file, IOSTAT=39 &&...

Dear friends from the ifort community,recently I have been confused by 2 run-time errors while reading an UNFORMATTED file which I opened first with following statementopen(iUnit,FILE='lsq_tmp',...

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1D model

Hello everyone. I am a student who is using the parallel studio XE version from Intel to compile a model code. the model code contains multiple .f and .f90 file. The originally written makefile was...

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Trying to link gcc and ifort

I am trying to compile a complex ocean model with many dependencies and I need to link a set of c and fortran libraries that are being compiled with gcc.  From my understanding, the issue stems from...

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final routines in fortran 2003

I am testing the finalization of a derived type parameterized and i got errors when calling final .This is the code :module segment_tests  implicit none  private  public :: mytab  type  mytab(n)...

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compilervars.sh doesn't work in macOS Mojave

I'm trying to run the script compilervars.sh in order to export the paths but it doesn't work. What can I do?I installed Intel Parallel Studio XE 2019 Update 3 Composer Edition for Fortran macOS in...

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Numerical deviations between Sandy-Bridge and Haswell

I'm seeing slight numerical deviations between Sandy-Bridge and Haswell when I run the very same executable.It is built with ifort17, plain Fortran, run with a single thread, not using MKL ot other...

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Strange errors while using subroutine in abaqus:error #5082: Syntax error

Recently i found a strange error when i run a vdload subroutine written in fortran in abaqus and it showed ‘Problem during compilation - I:\AAA\Chapter 07\04 crack-dynamic-3d\vdload31.for’Then i found...

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ifort 19.0.3: Defined Assignemt broken?

In ifort version 19.0.3, a defined assignment of an object seems to be broken. An assignment of the sort "b(i) = a(i)" seems to be behaving like "b(i) = a(1)". An explicit call to the subroutine works,...

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Installation to Linux VM

Hi,We have the project working in Window with Intel Fortran Compiler for years and like to see ifwe can compile the project in Linux VM before we buy the Linux license, I tried the trial versionand...

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floating point exception in svml log function

Hi,The following code raises an FPE in __svml_clogf2_l9. The failure is input dependent, I have attached two small input samples very similar to each other one than makes the program fail and one that...

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Inlining problems in Fortran

Given the following code  module test1 contains subroutine INLINE_ME(x,y) implicit none real, intent(in) :: x,y print*, x,y end subroutine INLINE_ME subroutine CALLER implicit none !dir$ ATTRIBUTES...

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Another glitch in SELECT CASE

Please consider the following simple example program tselect implicit none character(10) :: buf buf="" buf(1:1) = char(0) ; call getit buf(1:1) = '' ; call getit buf(1:1) = char(255) ; call getit stop...

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Why does this not vectorize?

HelloI will show a code which shows kind of same structure as my original code. This one, though, does not really do anything physically sensible and certain things might seem strange to you, like e.g....

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create unique file within multi-thread fortran program

HiI want create lot of unique named files in my multi-thread (openmp) Fortran program, both for write and read,  the work flow is that fortran creates a file, write some codes into it, then call an...

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