SIGSEGV?segmentation fault occurred
Hi All, I receive the (fortt1: <174> SIGSEGV?segmentation fault occurred) error while trying to run my fortran code using ifort. The code is running well using g95 but not ifort. It also cannot...
View ArticlePerformance Regression with Intel 14.0.1.106
All,A colleague here found an interesting performance regression with Intel Fortran 14. It's probable that it's related to this C regression, but I thought I'd place it here in case there is a more...
View ArticleExtended precision
Quick query.I might be completely wrong with this but are dynamically allocated real*8 arrays stored at 80 bits while static arrays are stored at 64 bits?If so, is there a way to disable this so the...
View Article-gen-dep with *.F90 files
For the file hw.F90 (note the suffix .F90) program hw print *, "hello world" end program hw ifort -gen-dep hw.F90 returns hw.o: hw.F90 /tmp/ifort6aqMLI.i90: hw.F90 /tmp/ifortDW5ocn.o :...
View Articlepointer initialization with =>null()
I am puzzled why this program compiles program ntest interface subroutine itakepointer(p) integer, dimension(:), pointer :: p => null() end subroutine itakepointer end interface end program ntest I...
View ArticleDummy argument declared character(*)*(*) - what does this mean?
I have a subroutine that has a dummy argument declared:CHARACTER CHRAY(*)*(*)I don't know what this means. And how would I declare a variable in the calling program that would be passed to this...
View Articleomp initializer not properly set
hi allthe following code is bugus.v ifort -V Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 14.0.1.106 Build 20131008 Copyright (C) 1985-2013 Intel...
View ArticleSeparate monitor thread
Hello,First off, I think I mistakenly posted this under "Open source OpenMP":http://software.intel.com/en-us/forums/topic/497456I am using the Intel Composer Fortran Compiler 14.0.0.What is the purpose...
View ArticleIntel(R) Fortran Composer XE 2013 SP1 Update 1 in LinuxMint 16
Dear community,I just installed the Intel(R) Fortran Composer XE 2013 SP1 Update 1 in LinuxMint 16 64-bit (derived from Ubuntu 13.10). When installing I was told that this OS was not recognized as...
View ArticleBehavior of sourced allocation
I know that there are some strict restrictions on what can appear in the source= clause of the allocate statement, but I was surprised when trying to allocate a component of a derived type via sourced...
View ArticleSharing a private variable with tasks
Hello, consider the case where a single thread (say, the master) has a private vector x and submits a number of tasks which update different coefficients of x. Here is a simple (fortran) code that does...
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corrupt value when passing integer from fortran to void * in C function
SYSTEM INFO:ProductName: Mac OS X ProductVersion: 10.8.5 BuildVersion: 12F45Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 14.0 Build 20131010...
View ArticleInvalid Serial Number when install the ifort and mkl
<p><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 14px; line-height: normal; "> I cannot install the old version of ifort and mkl successfully with...
View ArticleVectorization and segmentation fault
I have a problem with an old software that used to work with ifort 11 and does not anymore with recent versions.This software is written in fortan 77 and uses an old trick to manage its memory. This...
View ArticleJoin the Webinar: Empowering Oil and Gas Applications for Intel® Xeon® and...
Subject: Join us at a webinar - Empowering Oil and Gas Applications for Intel® Xeon® and Intel® Xeon PHI™ architectures using Intel® Software SolutionsWhen: Jan 15th 2014 8:00 AM - 9:00 AM...
View ArticleCompile-time checking of uninitialized variables
Hi all. I'm extensively utilizing the "-check uninit" feature of the compiler, however with thousands of routines and seemingly infninte code paths (including some which are rarely executed), it would...
View ArticleOptimizations dependent on availability of OpenMP threads
I have a working environment where $OMP_NUM_THREADS=1 is enforced (login node), but the system has many more available threads. It seems that when -O2 and -O3 optimizations are included in my compile...
View ArticleQuestion on inquire(pos=...) for stream access I/O
Hello,I am using ifort (IFORT) 12.0.0 at our linux server, and I am experiencing a strange behavior with stream access I/O.A minimal-size sample code would look as follows:program inq_pos_test...
View ArticleProblem linking to intel and netcdf4 libraries
I have just converted my code to generate netcdf4 rather than netcdf3 files but I am running into some problems with the compilation. The code appears to compile and link the appropriate intel and...
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Regression in 14.0.1 against 14.0.0 and 13.x
I've encountered a regression in 14.0.1 against 14.0.0 and the earlier 13.x versions of the Fortran compiler. I've attached a small reproducer stripped down as much as possible from the actual code....
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