32-bit libraries needed to install C++ compiler on Linux
HelloWhile installing ICC on a Debian linux system, I see this message:Step 5 of 7 | Prerequisites > Missing Optional Prerequisite...
View ArticleAVX2 Intrinsics for Arithmetic Shift Operations documentation discrepancy
In the User and Reference Guide for the Intel C++ Compiler 15.0, each of the AVX2 Intrinsics for Arithmetic Shift Operations describe the behavior of the "empty" bits resulting from an arithmetic right...
View ArticlePure Virtual Function Incorrectly Inlined by IPO w/ Anonymous Union
It appears that the compiler is incorrectly inlining calls to pure virtual functions in certain situations where IPO is enabled and an anonymous union is declared. The simplest example I can come up...
View ArticlePurchase link of Intel® Parallel Studio XE 2013 Composer Edition for C++, OS X
Hi,Where can I find the purchase link of Intel® Parallel Studio XE 2013 Composer Edition for C++, OS X? And after ordering edition 2013, if I want to upgrade to 2015, what's the price? Thx. My mail:...
View ArticleAVX2 permute intrinsics and copying a source-vector element to multiple...
In the User and Reference Guide for the Intel C++ Compiler 15.0, the descriptions of the AVX2 intrinsics _mm256_permutevar8x32_epi32 and _mm256_permutevar8x32_ps state:The intrinsic does NOT allow to...
View ArticleSuppressing vectorization remarks
Intel C++ 15.0 (Update 1) is spitting out many vectorization remarks of this form:remark: loops in this subroutine are not good vectorization candidates (try compiling with O3 and/or IPO)when I do...
View ArticleICC 15: gfx_linker exits because binutils doesn't recognize .obj file. Is it...
Hello,When I'm attempting to compile Firefox with Intel C++ 15 Update 1 and Visual Studio 2010 I fall into the following error: 1:01.09 ../../widget/windows/nsWindowGFX.obj: file not recognized: File...
View ArticleAVX2 _mm256_packus_epi16/32 intrinsics documentation lists incorrect signedness
In the User and Reference Guide for the Intel C++ Compiler 15.0, the description of the AVX2 intrinsics _mm256_packus_epi16/32 states (relevant words highlighted in bold):The _mm256_packus_epi16...
View ArticleAVX2 _mm256_cmpeq_epi8/16/32/64 documentation specifies incorrect value in...
In the User and Reference Guide for the Intel C++ Compiler 15.0, the description of the AVX2 intrinsics _mm256_cmpeq_epi8/16/32/64 states:If a pair of data elements is equal, the corresponding data...
View ArticleAVX2 _mm256_cmpgt_epi8/16/32/64 documentation omits signedness and doesn't...
In the User and Reference Guide for the Intel C++ Compiler 15.0, the description of the AVX2 intrinsics _mm256_cmpgt_epi8/16/32/64 states:Performs a SIMD compare to determine which of the data elements...
View ArticleBug in icpc 15 on OS X
This post is basically a bug report as I have no access to Premier Support. My OpenMPI 1.8.4 on Mac OS X 10.10.1 (Yosemite) build results in a dylib which crashes certain programs even though it passes...
View ArticleVS 2013 update 4 and Intel® Parallel Studio XE Professional Edition for C++...
When installing, I get msg regarding lack of x64 VS2012. I am installing on a system with fresh VS2013 update 4 + CUDA. Unfortunately, I cannot compile anything. I get this, even with a brand new...
View ArticleBug found with writing to Data Segments and try catch statements
At our company we use data segments within the Binaries for various uses but when we attempted to compile with the Intel C++ compiler 14.0 we ran into a bug. It was sort of a unique bug that happened...
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C++ templates program compiles on linux but not on windows
Hello,the following example code uses templates and user defined conversion. It compiles and run correctly on linux using Intel Composer XE 2013 : template <typename TYPE> class Adult { public :...
View ArticleIPP for CoreI7/Haswell
Hello,Currently we are working with Intel Compiler 11.1/064 (Linux version)Can you tell if the IPP in this version is optimized for CoreI7/Haswell architecture ?Best regards,Z.V
View ArticleAdditional sections introduced when compiling with Optimizations
I'm currently working on a Windows application, developed in C++ using Visual Studio and the Intel C++ 15.1 compiler.It would appear that when I compile with any kind of optimizations, a few additional...
View Articlecodecov with inline functions
Hi,I have a C++ library with a set of unit tests that exercise the functions and classes in the library. I'm attempting to use codecov to give some feedback on the percentage of the library that is...
View ArticleInvalid handling of newlines in raw string literals
Given the following test code compiled with Intel C++ Compiler XE 14.0#include "stdafx.h" #include <iostream> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { auto raw = LR"(1 2)";...
View Article": internal error: 010101_1
I'm trying to compile Chombo on Mac OS X using the Intel compiler, however mcpcom fails after ~10 seconds, giving only the following error message": internal error: 010101_1This occurs whenever I try...
View Articleicpc: loop condition false inside the loop
I have been trying to debug a code for the last two weeks, and I have narrowed it down to this simple code which reproduces the issue.#include <cassert> template <class T> class Vector{...
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