Error compililing qhull library with icc & icpc
I am trying to compile octave with intel compilers.I am facing trouble building downloaded qhull-2012.1-src.tgz dependency for octave. now while trying to compile the qhull package (with cmake)cmake .....
View ArticleBug in exp()?
Hello again, as my last post went by unnoticed, I chose to restate my question. While analyzing Intel-compiled code, I stumbled upon an interesting code snippet I cannot find another explanation than a...
View Articlexspace options for bi-endian compiler
I want to implement xspace protection for an image, where I am compiling my code with Intel bi-endian compiler. Is there any option available for the same.Xspace Protection:For each segment I need to...
View ArticleParallel Image Processing in OpenMP - Image Blocks
Hello, I'm doing my first steps in the OpenMP world.I have an image I want to apply a filter on. Since the image is large I wanted to break it into non overlapping parts and apply the filter on each...
View ArticleSetting Up the C++ compiler in Windows 8.1
Could somebody please help me setup my compiler that I bought last year in 2014.I have no idea of how to set up the global variables. I have kinda a idea of how to compile and link, please help.
View ArticleIPO: Linking libraries built with ICC with application built with GCC
I am using icc version 13.1.0 (gcc version 4.6.0 compatibility) with gcc version 4.6.3 on Ubuntu 12.04.2.I have a set of static libraries, say lib1.alib2.a and lib3.a which have been compiled using...
View ArticleIs pointer aliasing a problem if the pointers are the same?
Hi,consider this functions intended for vectorization:void AddSqr(float* restrict dst, float* restrict src, int cnt) { for (int i=0; i<cnt; i++) dst[i] = src[i] * src[i]; };This would work if the...
View ArticleIntel C++ compiler produces a HUGE code
Hi,I'm spending way too much time comparing MSVC and Intel C++ compiler. My current results are that MSVC generates sometimes better code, sometimes worse, but if it is better, than it's just a little,...
View ArticleInstall on windows to disk other than C: ?
It is not obvious to me how to get the compiler to install to an external disk.I do not have sufficient space on my C: drive to install.This is with parallel_studio_2015_update2
View Article_Pragma("vector always") errors
_Pragma("vector always") causes compilation errors with the newest ICC. I'm not explicitly enabling C++11 or anything.
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Atomic.h(16): internal error: access violation occuring on multiple files
Hi all,Using ICL 13 SP1 Update 5 and Visual Studio 2013 Update 4 I get the following error on multiple files:C:\Program Files (x86)\Intel\Composer XE 2013 SP1\compiler\include\atomic(16): internal...
View ArticleApple OS X 10.9: ld: warning: can't find atom for N_GSYM stabs
Greetings:The following warning doesn't appear to cause any problems however I'd like to understand how to fix it. When I link an application on Apple OS X 10.9.5 with up-to-date Intel C++ I receive...
View ArticleFree webinar April 7 2015 9am PST "Further Vectorization Features of the...
There is a free webinar “Further Vectorization Features of the Intel Compiler” coming next Tuesday talking specifically about getting more vectorizations from Intel Compilers. But you would benefit it...
View ArticleWhy is my project still being linked using LINK instead of xilink?
I've just converted a project that used the Microsoft compiler to use the Intel one. I'm using Visual Studio 2013 and Intel C++ 15.Now, looking at compiler output, I see the following:1>icl: :...
View Articlex86_64-k1om-linux-ld: final link failed
Today I compile radiosity program.gcc work fine.There is warnings with icc.Error with "icc -mmic"Any help?Thanks. ```[root@amax src]# make make -C glibdumb make[1]: Entering directory...
View ArticleHelp tuning icc output for large metaprogram
Hi We have a code using C++11 features to essentially execute a large metaprogram. The program uses both classic template metaprogramming and constexpr functions to help the compiler process a huge...
View ArticleCompiler bug with Windows version 15.0.2.179 Build 20150121
Hi,Trying to compile with 15.0 and Visual Studio 2010 I've come across something that crashes the compiler with this message:Intel(R) C++ Intel(R) 64 Compiler XE for applications running on Intel(R)...
View Articlelambda variadic capture bug with icc 2016
The following code compiles fine with gcc and clang but fails with icctemplate<class... T> void f(T... args) { auto lambda = [&](auto func) { return func(args...); }; } int main() { f(3, 7,...
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problems of mixed program with fortran
I called a Fortran subroutine from a c++ project, in which the fortran subroutine is packed in an library created by the IVF. However, the link always fails with an error LNK2019. I set up an simple...
View ArticleRounding error with Intrinsics?
Dear Intel developers,I'm using Intel Intrinsics with Intel 13.1.3. I have some rounding error by using _mm_mul_ps routine. This is the piece of code: __m128 denom_tmp = _mm_setzero_ps(); __m128...
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