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OpenMP parallel loop with ordered section is slow
In the attached C sample I try to parallelize formatted writes to file by doing the formatting into a string buffer inside OpenMP parallel for and then writing the buffer to file with fwrite (inside an...
View ArticleCompilation error due to SDK (probably) incompatibility
Hi,I am unable to build my project originally coded in Linux on to visual studio 2017 in windows10. A possible cause is missing headers/libraries for some of the Windows-equivalent Linux libraries...
View ArticleIntel parallel studio XE on openSUSE - mpirun segmentation fault
Dear All,I am wrining here in order to find some help by someone more expert than me with this problems. I have tried to install on openSUSE leap 15 the latest version of parallel studio XE. The...
View ArticleProblem with FFT code exemple and Visual Studio 2017
HelloI am trying to run the FFT code exemple. I am using Visual Studio with the intel 2019 compilerthis is my code #include "pch.h" #include <iostream> #include "mkl_dfti.h" int main() { /* C...
View ArticleWarning code for catching semicolon after a while loop
Hello all.I wonder if there is a warning code whichflags that there is placed an unintentional semicolon after a while loop.while(condition);{ Body}I have already sought after the warning code myself...
View Article[OpenMP] class member variable in class member functions
class Foo { double scaleFactor; std::vector<double> a,b; void init(){ scaleFactor = 0.5; // init a, b to same size } void bar(){ const int len=a.size(); // The bug is removed if I insert the...
View Articleboost Version 1.70.0 beta Intel C++ 19.0
Hello,I have looked into beta version of boost libraries 1.70.0.Unfortunately, it seems this version is not compatible with Intel C++...
View ArticleIntel 19.3 - RTTI typeinfo included on type compiled with /GR-
My question pertains specifically to the Windows compiler (v19 Update 3) running in VS2017 v15.9.9.I have a class in a third-party lib that is compiled with no RTTI (/GR-). This library defines several...
View ArticleUsing intel Omp library in visual studio 2017
Hi, I am trying to use the unsequenced policies in Pstl library, and I can't link to the intel Omp library.I'm using visual studio 2017, the parallel version worked well with openmp 2.0. When I'm...
View ArticleIntel Compiler crashing after update to Xcode 10.2
Yesterday I updated my Mac from macOS 10.14.3 and and Xcode 10.1 to macOS 10.14.4 and Xcode 10.2. Today I figured out that the Intel C++ compiler doesn't work with these updates. I have Intel C++...
View ArticleUsing Intel C++ compiler with Visual Studio 2017/2019 cmake
Currently we use Visual Studio 2017 targeting Windows with Visual Studio solutions/projects files.We want to build/debug our product for both Windows/Linux and trying to use Visual Studio build with...
View ArticleImplicit conversion warning (#1682) reported even if static_cast is used
I ran into a strange issue when building the code with -Wconversion flag.std::vector<int> values{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; std::uint8_t number_of_values =...
View Article\bin32, tool path is not existing!
I'm getting this error message when trying to open a solution in Visual Studio 2017 after installing Intel Parallel Studio XE 2019. After clicking OK, Visual Studio closes. This happens repeatedly...
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Not able to install Intel Parallel StudioXE 2019 update3 cluster edition with...
Hi Recently we've got Intel parallel studio with the floating license for two users.We've successfully registered and downloaded the Intel parallel studioXE 2019 update3 as well as the license manager...
View Article__INTEL_COMPILER_UPDATE changed behviour in icc version 19
I think __INTEL_COMPILER_UPDATE changed behaviour in icc 19. From https://software.intel.com/en-us/cpp-compiler-developer-guide-and-reference-additional-predefined-macros I expected the...
View ArticleProblem with Registration on some servers
We have 5 floating licenses for Intel C++ Compiler and have issues activating the product successfully using Floating license activation. We managed to get this to work on some other servers in the...
View Articlecompiler version 19.0.3 crashing when building mpi libraries on macOS 10.14.4
I just upgraded to macOS 10.14.4 and installed the latest Intel C and Fortran compilers (19.0.3) and now I can no longer compile mpich nor openmpi. Here are the errors I'm getting:openmpi (4.0.1): CC...
View ArticleGetting Intel C++ to work with Visual Studio 2019
I have been using the Intel C++ compiler with Visual Studio 2017 but just installed 2019. The first errors I got required retargeting to an older SDK. But then I get this:1>C:\Program Files...
View ArticleGetting parallel studio / Intel C compiler to generate threaded code.
I have downloaded a trial of Parallel Studio 2019 to see if it can help parallelize a program. I have run the compiler with the options to identify and report any loops that could be run in parallel...
View ArticleMissing support for returns_nonnull attribute
It looks like ICC is missing support for the retuns_nonnull attribute (tested up to 19.0.1), which has been present in GCC since 4.9. Here is a quick test case:#include <stdio.h> static const...
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