Setting the number of threads in a shared library
I'm having troubles using more than one thread in a OpenMP parallel region in a shared library.Let's say that I have a function foo in my library foo.sovoid foo(){ int NT = omp_get_max_threads();...
View Articledifferences between -O1 and -O2?
Hi,I have a code that segfaults with -O2 but not with -O1. Is there a way I can find out what the optimization differences between O1 and O2 are so that I can get a clue about the segfault?Thanks.jgw
View ArticleInstallation problem
I have two problems when installing Intel Fortran compiler and C++ compiler.1> The latest version of ubuntu seems to be 15.04, but my current version of ubuntu is latest 16.04. What exactly do I...
View ArticleIs there any alternative way to achieve function of some gcc options? (like...
Hi, all,I am trying to use icc to compile an already existed porject which used to be compiled using gcc. At first i thought icc is compatible with gcc (my gcc version is 4.8.4 and icc version is 2015)...
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Strange issue with omp parallel for with static schedule
Hello,I found an strange issue with openmp parallel for with schedule clause which I believe is a bug.I have attached the minimal code sample to reproduce the issue. #include <stdio.h> #include...
View ArticleFlex License Manager Migration
We are trying to migrate Flex License Manager to new server. We need to make sure existing environments work as well transition of these licenses smoothly without any interruptions.1) Can we have...
View ArticleC++ compiler version 15.00
I am trying to compile a code using the CUDA toolkit, which is strictly compatible with Intel C++ compiler version 15.00. Is it possible to get precisely this version?DanielZone: Modern CodeThread...
View Articlememcpy to/from arrays of wrapped SIMD types
I'm looking for a way to (reasonably efficiently) move between SIMD type arrays and standard data types (int, long, char, etc...) Before I really sat down and thought about what was going on I tried...
View ArticleSTM compiler using ICC serial number failed
Hello, because I have to compile a project using intel STM C++ compiler, I try to install guided by https://software.intel.com/en-us/articles/intel-c-stm-compiler-prototype-edition . And I have a...
View Article"assertion failed: dump_type_declaration: bad type kind" in ICL
Hello.The following simple code compiles and runs fine.template<class D> struct CRTP { const D& Derived() const { return static_cast<const D&>(*this); } auto get() const { return...
View ArticleSegmentation fault on Arch Linux when compiled with icpc
Hey,I am having problems when trying to run an icpc-compiled program. I know Intel compilers are not officially supported on my platform, but I would appreciate if you helped me solve the problem. icc...
View Articleproblem with -filelist option with XE Composer 2016 on Mac
I'm currently using the deprecated stdc++ library in my Mac app. I want to switch to libc++ but now my application compiled with icc crashes when using a c++ library (it does not crash when launched,...
View ArticleIntel compiler cannot find libstdc++ include files
So I am trying to use Intel compiler on SMP to which I have only user access. I tried to compile simple Hello World program, but I am getting the erroricpc: error #10001: could not find directory in...
View ArticleNew functions for reading files iostream etc
its been a fair while since I did c and c++ at university. What I'd like to know is what functions and headers are best for reading text from a file. I'm looking to read engineering data such as floats...
View Articleerror : unable to obtain mapped memory (see pch_diag.txt)
Hi,After updating to Version 2016.3.207 (Intel Compiler 16.0 Update 3), I am now getting errors like the following all over the place:C:\Program Files (x86)\Microsoft Visual Studio...
View ArticleCompilation error in icc
the following code is being compiled properly with gcc but giving error with icc in windows.#ifdef CPUKIND_IA typedef int _v4si __attribute__ ((vector_size(16)));Error : expected a ';' before...
View Articlehow to ignore deprecated warning
hi,The icc version that I use is 'icc (ICC) 14.0.2 20140120' in linux.Some elements in some structs are declared as deprecated. Some functions will use those deprecated elements.For example,...
View ArticleIntel compiler licence has expired
Hey I have a licence for Intel® Parallel Studio XE Composer Edition for C++ Windows* that have expired yesterday ,The guy who sold the licence to me said that the licence is for one year of support,...
View ArticleVisual Studio 2015 Update 3 C++ compiler vs Intel 16.0
The Visual Studio Compiler team have introduced new optimization capabilities in VS 2015 Update 3 see (https://blogs.msdn.microsoft.com/vcblog/2016/05/04/new-code-optimizer/) and I have to say it...
View ArticleDocumentation for previous versions
I'm working on a project ("Hedley") to abstract away some differences between compilers, but I'm having trouble figuring out when certain features were added to ICC. For example, I have a...
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