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Compiler Bug (missing symbol / ICE) in ifort 16.0.3 on Linux 64
Dear Intel support teamWhen I compile the attached example with "debugging" flags I obtain an ICE. With "release" flags it compiles fine, but at least one (required!) symbol is missing in the generated...
View ArticleMy FORTRAN object oriented code is very slow. Any suggestions?
Hi..Would you please help me understand what is wrong with the below code structure. I spent a couple of months for converting my straight code into modules and subroutines similar to a form as below....
View ArticleOpenMP Task Dependency with ifort 15
I am currently trying to use the *task* construct of OpenMP 4.0 including the *depend* statement for my Fortran codes. Therefore, I create the following example, which should fill up the first row of a...
View ArticleTools to create makefile from VS project
Hello,I'm creating makefiles to build Fortran projects on Linux. Our current work flow is to develop on Windows in VS with Intel Fortran (build in VS), then port the project source code to Linux and...
View ArticleThreaded C++ (std::thread) w/ Fortran .so -reentrancy threaded
This is an FYII have a C++ application that is threaded with std::threads. It calls an IVF .so library generated with -reentrancy threaded.This is V16.0.3 on KNL hostSilly me, I assumed that the...
View ArticleCould the compiler vectorize the looping with an array which consists of an...
I would like to vectorize this code below (just for an example), just assume somehow I should write an array inside an array. PROGRAM TEST IMPLICIT NONE REAL, DIMENSION(2000):: A,B,C !100000 INTEGER,...
View Articlesource environmental variables failed after installing Intel Fortran 2016
Hello,folks: I am a student and mayor is computer fluid dynamics. I need to install Intel Fortran to finish the numerical calculation work. After I installed the IVF 2016,I...
View ArticleIs there a chance to vectorize the "if-else" condition using omp simd...
I am working with these codes (as I post below 2 codes: the original and with omp simd function vectorization). This is the original code, that I want to vectorize: PROGRAM TEST IMPLICIT NONE...
View ArticleExport path on Ubuntu 16.04
I have added path to my profile but still terminal can not find compiler echo $PATH /opt/intel/parallel_studio_xe_2016.3.067/compilers_and_libraries_2016/linux/bin/compilervars.shLet's go to directory...
View ArticleReading large binary files
Dear all,I have a raw file (just a plain sequence of 0's and 1's) that a need to assign to a 3D matrix. The number of elements is very large (~2000^3) and I'm running into some issues when using...
View ArticleFortran-Matlab interface
Hello, I am very new to Fortran. I am building some Fortran codes to run some post-processing of data acquired by an ultrasound system that is controlled by Matlab. I cannot get away with Matlab...
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Number of Processes under OpenMP
I have the following environment variable set in my machine with an i7-4790K (4 cores, 8 threads):export OMP_NUM_THREADS=4When I run the program compiled using ifort, a total of 5 processes are...
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Strange end-of-file in unformatted read (compiler bug?) in ifort 16.0.3 on...
Dear Intel support team,for the example below I always obtain end-of-file errors even though the code seems correct to me.program test implicit none integer :: nA, nU, nR, nB real(kind=8), allocatable...
View ArticleOpenMPI: Hiding -ipo optimation flag warnings
When compiling code that uses OpenMPI with mpifort -qopenmp -O3 -xhost -ipo -qoverride-limits -nowarn, I receive a bunch of warnings such as ipo: warning #11021: unresolved opal_thread_get_self...
View Articlelinking error when building shared library
Hi,compiling my library withifort -O3 -mkl=sequential -warn nounused -warn declarations -fPIC -c *.f90and subsequently linking withifort -shared -Wl,-soname,tmp.so -o tmp.so *.oyieldsld: tmp.so:...
View Articleacademic license expire and update still four weeks away
Hitoday I got that:Error: Product support for your (Comp-FL) license has expired. License file(s) used were (in this order): 1. Trusted Storage ** 2....
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wrong openmp version reported for fortran
Hi,I am a little bit unsure where exactly this shall go, openmp or fortran but bear with me. I have a small code (attached) that tries to decide what version of the openmp standard we use [19:43:46...
View Articlemissing functions from iso_fortran_env
Hi,I was trying to use the new functions defined in iso_fortran_env, compiler_options and compiler_version.Unfortunately turns out that intel fortran compilers does not support them. Do I miss...
View Articlesegfaults seen with openmpi compiled against intel fortran compiler
I compiled openmpi against the intel fortran compiler by following the instructions here:https://software.intel.com/en-us/articles/performance-tools-for-software...When I use the resulting mpif90 to...
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openmp and coarray compiler internal crash when reduction on coarray variable
Hi, I have a small coarray program mixed with openmp. A small openmp do loop with a reduction of a variable that happens to be a coarray variable too.When I try to build... interal compiler seg fault....
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