Clik here to view.
Boost 1.71 - static_assert failure during compilation
Hello,I would like to report an error during the compilation of a code that uses the beast component of Boost (v1.71.0).Basically, I obtain the following error when I call the function...
View Articlestd::error_code, std::system_error and std::generic_category
Does the C++ standard library have these C++11 features?My simple program:#include <iostream> std::error_code code; int main() { std::cout << "Hello"<< std::endl; } fails to compile...
View ArticleWhy does Intel C compiler link c++ libraries for pure C code?
I am compiling the most basic hello.c on Mac OS X Catalina 10.5.2, Xcode 11.3, ICC 19.0.4.233 20190416#include <stdio.h> int main() { printf("Hello!\n"); return(0); }gcc hello.cls -l...
View ArticleSegment Fault after producing debug information
Hi, When compiling the following program without the -g parameter, the run result is -1. After the -g parameter is added, the run result is reported as a Segment Fault. Perhaps intelc has some...
View ArticleICC 19.0.4.243 parallelized loop with confirmed Race Condition on Lenovo...
Hi there, I am compiling the code below with ICC using the following command line: icc -w -par-threshold0 -no-vec -fno-inline -parallel -qopt-report-phase=all -qopt-report=5 1 #include <stdio.h>...
View ArticleComparing two vectors of floats returns a vector of floats
It should return a vector of integers. The GCC documentation is pretty clear:Vector comparison is supported with standard comparison operators: ==, !=, <, <=, >, >=. Comparison operands...
View ArticleClik here to view.
Regression of Intel C++ Compiler v19.1 : Unresolved symbol
Using Ubuntu 19.10 or 18.04 LTS, when using the latest version of the Intel C++ Compiler issued in Parallel Studio XE 2020 (version 19.1.0.166 / 20191121), attempts to build UCX with the -ipo flag...
View ArticleSIMD data and std::vector
With the Microsoft compiler, compiling in C++ standard compliance mode of 2017 or later, I can use SIMD data types for example in std::vector without custom allocators. When trying to use Intel...
View Articleicpc: error #10106: intel64/mcpcom, terminated by floating point exception
OS- Linux login1 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/LinuxCompiler - intel parallel studio 19.5 with GCC 8.3.0CUDA - 10.1Application - Gromacs -2020 -...
View ArticleError when compiling R from source code (ubuntu 18.04)
Hi all,I'm trying to compile R 3.4.2 from the source code following this guide:https://software.intel.com/en-us/articles/build-r-301-with-intel-c-compiler-and-intel-mkl-on-linuxHowever, I got the...
View Articleippvalarray fails to compile when using Intels Optimized Headers
Hello, I'm not sure why, but when I use Intels Optimized Headers(specifically valarray) the compiler will point out about 66 or so syntax errors. I'm unsure why this is happening.I'm on Visual Studio...
View Articletesting out evaluation copy of parallel studio on linux
I hope this is the correct forum. I just download the 30 day trial of parallel studio xe 2020 cluster edition (online) for linux to test out the intel c/c++ compiler.When I run the install.sh I get an...
View ArticleAs of year 2020 AD what is the best C++ version for latest Intel CPU
As of year 2020 AD what is the best C++ version for the latest Intel CPU?I am using 32 bit Microsoft Windows.I chose, months ago, to learn C++11 and I am learning it via CODE::BLOCKS 17.12 . It seemed...
View ArticleClik here to view.
Intel C++ 19.1 Link error: unresolved Symbol with C++17
Visual Studio 14.9.19Intel Parallel Studio XE 2020Latest Windows 10The following piece of code (VS project attached) fails to link with an error1>ipo_1894819obj3.obj : : error LNK2019: unresolved...
View ArticleIntel Compiler 19.0 Initial Release C++17 support with Visual Studio 2017
I'm currently evaluating the possibility to move from C++11 to C++17. I currently use VS 2017 and Intel Compiler 19.0.0 (Initial Release), and I got two questions: ⚫ Q1: Does IC 19.0.0 supports C++17...
View ArticleInvestigating Intel compiler optimization capabilities
Hello,I've found that some codes compiled by the Intel compiler are significantly slower than those by GCC.Here is a sample code.https://github.com/kaityo256/compiler_testThis is a Monte Carlo...
View ArticleNot Compatible With "-static-pie" as in GCC
Less of a bug report and more of a request to implement the ; the "-static-pie" flag is already available in most newer versions of GCC and Clang, but it is an unrecognized flag by icc/icpc, and...
View ArticleStatement expr inside of __assume incorrectly considered to have side-effects
I'm getting a ton of invalid warnings from ICC about an __assume with side effects. It turns out the "problem" is that I'm using a statement expr (which has no side effects). Here is a reduced test...
View Articlecmake - Could NOT find MPI_CXX
I am trying to compile the simulation software LAMMPS using CMake, and run into some trouble: -- Could NOT find MPI_CXX (missing: MPI_CXX_LIB_NAMES) (found version "3.1") CMake Error at...
View ArticleConverting constructor issue with std::variant
Apologies if the issue was already reported but have a look at the following code snippet#include <variant> std::variant<int, char*> foo() { return 0xD; }This should compile by choosing the...
View Article