Filters

Forum topic

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
Forum topic

Type casting regression in ifort2018 beta

The following code segfaults because the explicit allocation in the type casting does not work any more with ifort2018 beta. I filed a bug report already. A workaround is given.

Authored by Juergen R. Last updated on 04/27/2017 - 04:25
For more complete information about compiler optimizations, see our Optimization Notice.