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_kmp huge overhead and spin time for unkown calls in OpenMP?

I'm using Intel VTune to analyze my parallel application.

Authored by luca lovagnini Last updated on 04/30/2017 - 01:28
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

warning #7799: %LOC is being stripped from argument

I get a warning like warning #7799: %LOC is being stripped from argument which has REFERENCE and IGNORE_LOC attributes.   [ILEN] from a code ;like

Authored by Brooks Van Horn Last updated on 04/29/2017 - 01:31
Forum topic

Using community license of Intel MKL for multiple users

The community license is is a "Named-User" license.

Authored by woodbird Last updated on 04/28/2017 - 17:21
Forum topic

icl and icl++ command not found

Hello there,

Authored by Godson Fortil Last updated on 04/28/2017 - 13:52
Forum topic

Vtune support for Wordpress in docker/container

Does Vtune support for PHP workload running in a docker container in Linux environment?

Authored by Yue Y. (Intel) Last updated on 04/28/2017 - 13:25
Forum topic

Trigger collection with program symbol.

I am evaluating vtune on linux:

vtune_amplifier_xe_2017.2.0.499904

Authored by Bram S. Last updated on 04/28/2017 - 12:52
Forum topic

How to do a parallel_reduce in TBB to append std::vector?

I've defined this reduction in OpenMP:

Authored by luca lovagnini Last updated on 04/28/2017 - 12:02
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
For more complete information about compiler optimizations, see our Optimization Notice.