ICE using ifort 19
Here is another ICE from ifort 19.0.0File library.F90:Module Section_Class implicit none Type :: InputSection_Type contains procedure :: Exists End Type Interface Module Subroutine ReadSections(...
View ArticleIncorrect result of mpi_reduce over real(16) sums. (2019)
I have found that MPI_REDUCE does not perform correctly sum reduction over real(16) variables.Here is a simple code:program testred16 use mpi_f08 implicit none integer :: me,np real(16) :: voltq,voltq0...
View ArticleInteroperable global data in submodule error
Using (ifort -V):ntel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 18.0.3.222 Build 20180410 Copyright (C) 1985-2018 Intel Corporation. All rights reserved. The...
View Articleomp performance degradation due to -heap-arrays ?!
Hi all,there were some discussions two years ago about performance degradation when using "-qopenmp" and...
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Corrays in 2015 vs. 2018 Compiler
I have noticed severe slow-downs using compiled coarray Fortran code with Parallel Studio XE 2018 versus Parallel Studio XE 2015.I wrote a minimal working example to demonstrate the issue,...
View ArticlePassing type bounded procedure to Quadpack
Greetings, I'd like to pass a type bounded procedure to Quadpack's qagpi integrator. Is there a way I could do that? The following code generates a SIGSEGV... so I'm doing this very wrong.Any help...
View ArticleCan't find ifort in Xcode
The old fortran projects can be compiled successfully, but I can't find the fortran in the compile rules.
View ArticleWhy avx512 intructions cannot accelarate my application?
Dear Intel technician,On SKYLAKE computer, I built my application with AVX512 instead of SSE2 with Intel parallel_studio_xe_2018.1.038, my application is worse than before with SSE2 in performance. I...
View ArticlePreprocessor directive for fpp variable and macro definitions
I am trying to use the Fortran preprocessor directives to print the unit numbers (this is sometimes a constant and sometimes a variable) used in all the write statements in my code. This requires me to...
View ArticleBuild failed
ifort19xcode10mac10.14 I have chose ifort19 in build rules but still :-1: no rule to process file '/Users/shrine-Mac/Desktop/Test5/Test5/12.f90' of type 'sourcecode.fortran.f90' for architecture...
View Articlebad exit code when calling STOP from within an OMP loop
Dear ifort community,I just noticed a rather bad problem with ifort 17 and upwards that concerns error handling in OpenMP code. Please consider this simple example:program test implicit none integer ::...
View Articleany limit to #nested loops that ifort analyses for parallelism?
I have a rather long FORTRAN code where the kernel comprises over 8 levels of nested DO loops but yet I only get information in the optrpt files for innermost (about 4 levels) loops... the outer loops...
View Articleundefined reference to `__intel_skx_avx512_memcpy'
Hi everybody,I've received an error when trying to compile with the Fortran Compiler of Intel® Parallel Studio XE 2019.ErrorINFO: 1> Linking CCubeApp ERROR: 1>...
View ArticleVectorization bug in 2018 (and probably earlier)
I got different results with -O0 and -O2, and all boiled down to this change:https://gitlab.com/Molcas/OpenMolcas/merge_requests/24/diffs?commit_id=b...i.e., compiling this file with -O0 (or with !DIR$...
View ArticleEquivalent DFWIN module on intel fortran for macOS system
I'm trying to compile old CVF code using intelfortran on macOS system, my question is :Is there any equivalent DFWIN module on macOS intelfortran to respond to the same function
View ArticleCan't build with ifort19
macosx10.14 xcode 9.4 /ifort-19_0_0_117:: error #10401: error running 'xcrun -find clang' ============================== in the command line: source <install_dir>/bin/compilervars.sh...
View ArticleERROR #7061 when compiling the subroutine using Intel compiler 18.0
I got this issue when compiling the coupled code using Intel compiler 18.0: mod_esmf_atm.F90(70): error #7061: The characteristics of dummy argument 1 of the associated actual procedure differ from...
View Articleifort 18.0.2 generates 3x slower code comparing to 14.0.1 on a Xeon E3-1240 v3
Hi,The following piece of code (extracted from real application and modified to reproduce the issue with minimum amounts of code)runs approx 3x slower compiled with ifort 18.0.2 comparing to 14.0.1....
View ArticleLicense problem with 2018u1 and later
Hi all,I have a problem installing 2018 update 1 and any later version of Parallel Studio XE Composer Edition for Fortran and C++ Linux. The GUI installer complains the license server does not have a...
View ArticleAcademic Developer Program
Hi!Is the licensing scheme for academic researchers still on? When trying to register as a developer, as an academic researcher, I am being told to go to the "Academic Developer Program" page. But the...
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