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double free or corruption with private pointer and OpenMP parallel do

Hi all,

I'm having a double free or corruption problem when trying to use the Reallocate function (from Fortran 90 Numerical Recipes) within an OpenMP parallel do directive

Authored by Ines F. Last updated on 04/30/2017 - 23:18
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ifort2018beta regression: segmentation fault on valid code

The attached code leads to a seg fault with ifort2018beta, however works with gfortran 4.8., 4.9., 5, 6, 7, and 8 as well as nagfor 6 and PGF17.3. It also worked with ifort 17.0.3, so this clearly

Authored by Juergen R. Last updated on 04/29/2017 - 17:17
Forum topic

Issue with Fortran-C interoperability with -O3?

Hi,

I'm writing some FORTRAN code that calls a C library, and having issues when I compile the code with -O3. The code that is breaking is this:

Authored by aidan c. Last updated on 04/28/2017 - 11:35
Forum topic

Interesting SQRT behavior in optimizer

I've stumbled across a very interesting side-effect of the optimizer when compiling between -O0 and -O2 (there are some other flags, which I'll get to below).  First, my code:

Authored by ereisch Last updated on 04/28/2017 - 10:14
Forum topic

ifort 18 feature request: using F08 atomic subroutines with array components

ifort 18 feature request: using F08 atomic subroutines with array components (using an integer array component of a derived type coarray together with atomic_define)

Authored by Michael S. Last updated on 04/28/2017 - 09:01
Forum topic

Errors using GETPID()

GETPID() is a function that is part of the IFPORT module.

Authored by Vishnu Last updated on 04/28/2017 - 08:12
Forum topic

Initializing the random_seed with /dev/urandom

The example given on the GCC page for the same, uses /dev/urandom is as follows:

Authored by Vishnu Last updated on 04/28/2017 - 03:03
Documentation

Intel® System Studio IoT Edition User Guide for C/C++ from Intel® System Studio IoT Edition User Guide for C/C++

This guide contains steps to create Internet of Things (IoT) projects in C/C++, using the Intel® System Studio IoT Edition (formerly the Intel® IoT Developer Kit version of Eclipse*). The Intel System Studio IoT Edition is a plug-in for Eclipse* that allows you to connect to, update, and program IoT projects on a compatible board. You can take advantage of the example...

Last updated on 04/27/2017 - 12:57
For more complete information about compiler optimizations, see our Optimization Notice.