Quantcast
Channel: Intel® Fortran Compiler for Linux* and macOS*
Browsing all 2583 articles
Browse latest View live

strange behavior while copying an array

Hi,I'm experiencing strange behavior of the program while copying an array.I made a simple test code to reproduce it.program test integer :: ni, nj, nk integer, allocatable :: id(:) real*8, allocatable...

View Article


Help Intel Compiler TERRAIN and MM5 modules Oracle Linux

I recently moved from RocksCluster 6.2 with CentOS X86_64 machine -> Oracle Linux OS 7.3.In RocksCluster compile correctly WRF and MM5 model code, practically without modifications in the...

View Article


Bogus run-time error with "-check all": A pointer with the CONTIGUOUS...

Dear Intel team,I have recently tried the beta release of ifort 18 for Linux, and found one problem (which seems to be a regression wrt ifort 17). Please consider this short test case:program fpm...

View Article

[0] DAPL startup(): RLIMIT_MEMLOCK too small

We have 2 nodes, each with 44 cores/ intel cores. If we run a MPI program, in 1 node is ok, only the second node is ok too, “but” between the two it indicates that:mpirun -n 80 -f machines ./wrf.exe[0]...

View Article

execute_command_line crashes on nonexisting command

The intrinsic 'execute_command_line' instruction (F2008) crashes on Intel Fortran for Linux 17.0.4 with segmentation fault if the command cannot be found. This is a strange behaviour. I am using the...

View Article


IPO limits for large code

I am trying to use the IPO while building a fairly large Fortran program (a simulation model) that has highly modular object oriented design and includes several modules and files. The -ipo (and...

View Article

c++ call fortran subroutine

i have code ,i use C call fortran subroutine,  i send same parameter to fortran subroutine, one of parameter is c++ struct,in the struct have a float pointer ,i want use this pointer in fortran...

View Article

files not found by shared library. "...try using -rpath or -rpath-link

This is a f77 code being ported to Intel fortran 90.   The build consists of building a shared library that is used by other fortran programs.   When building contempt28, The linker is complaining...

View Article


abstract class and interface problem

I test abstrat class and abstract interface ,ihave a problem..how can use  abstract interface ?,i have a example,i compile it ,but it can't run!following is my code ,please correct my error,thank you !...

View Article


Intel® Parallel Studio XE 2018 has been released!

Intel® Parallel Studio XE 2018, including Intel® Fortran Compiler 18.0, is now available from the Intel Registration Center. Release notes can be found here.The Intel® Fortran Compiler now supports all...

View Article

-init=arrays segmentation fault

When compiling my code in debug mode, with -init=snan -init=zero -init=arrays (as advised by https://software.intel.com/en-us/articles/checking-for-unitialized-varia...) I get a segmentation fault when...

View Article

how can i use pointer like C pointer?

i have a think ,i hope use pointer like C ,following is c code:......... char * data; int *iptr; float* fptr; double * dbptr;data = new char[100*4]; iptr = (int *)&data[0]; fptr = (float...

View Article

Threadprivate variables in equivalence statements

Hello,I just upgraded to Intel Fortran Compiler which comes with Parallel Studio XE 2018 (Initial Release). This version of ifort no longer compiles this piece of code: SUBROUTINE MOO COMMON /BLOCK/...

View Article


Compiling with mpif90

Let me start off by says I am not a programmer. I am an SA who installed the Intel suite of compiler. I have a little HelloWorld program that I installed. Do the Intel compilers still use the gfortran...

View Article

O3 optimizations make the code slower

I'm trying to use different optimizations to compare differences in computation time. It seems that O3 optimization largely decrease the performance of the following code compared to the O2...

View Article


OpenMP declare reduction directive

Hi everybody!Does Intel Fortran Compiler support OpenMP declare reduction directive like C compilers?For example:  #pragma omp declare reduction(mymin : int : omp_out = omp_in < omp_out ? omp_in :...

View Article

Installing Parallel Studio XE 2018 on Slackware 14.2 x86-64

Hello,Intel Parallel Studio XE 2018 Beta installed and run fine on my Slackware 14.2 64-bit system. However, when the PS XE 2018 final version has been released, I downloaded and, first, removed the...

View Article


ICE report

... ... ... ifort -L/opt/intel/compilers_and_libraries_2018.0.128/linux/mkl/lib/intel64 -WB -i8 -ftz -static-intel -fp-speculation=safe -xCORE-AVX2 -qopenmp -auto -O3 -c test013720.f catastrophic...

View Article

Multiple versions installed in parallel

I want to install new 2018 versions of several products (studio, vtune,...) without deleting old versions to be able to select any version later on for use. During the installation process I seeStep 2...

View Article

Installation issues on Intel's Clear Linux

When attempting the installation of Parallel Studio XE 2018 Cluster Edition (2018.0.033) on Intel Clear Linux (v. 17780) I receive the...

View Article
Browsing all 2583 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>