why the performance is so low when using pointer checker ?
why the performance is so low when using pointer checker?There two two compiler parameters:1. CFLAGS= -O0 -check-pointers:rw2. CFLAGS= -O0 Questions:1. why the former is five fast than the second?2....
View Article__attribute__(constructor) alternative
Hi, I wrote a program that runs on Clang and GCC which relies on a function being called before the main. For this I use the __attribute__(compiler) support that is available in the other two...
View Articlehow to related icc -S assembly code and objdump linked assembly code quickly?
As we all know, icc -S will print assembly code with symbol address not physical address. Such as:..B1.20: movslq %r8d, %rax #10.3 .align...
View ArticleError error #1292: unknown attribute "no_init_all" when compiling with VS2019...
Hi, I installed Intel parallel studio XE 2020, with the latest patch, version (icl.exe version 19.1.1.216 Build 20200306) on a Windows 10 machine where Visual Studio 2019 is also installed also with...
View ArticleInline ASM with CAD-UL compiler for 80486
Bonjour/Hello, (English below)J'essaie d'implémenter une instruction ASM en ligne dans mon fichier * .C qui est compilée par un compilateur CAD-UL disponible via un serveur VAX (vieille technologie)....
View ArticleWhy does -Wall not include -Wformat ?
By compiling all my programs with -Wall option, I was under impression I would get all relevant warnings, which compiler can provide.But apparently, format errors on string manipulation (quite a big...
View ArticleHow to translate or expand openmp code into C pseudo code?
How to translate or expand openmp code into C pseudo code?
View ArticleWhy are the two run's qopt-report the same but the two run's performance are...
I had compiled the same program using the two different parameters to compile.1. icc -qopt-report -g -O2 MD.c util.c control.c coord.h -c -lm2. icc -qopt-report -g -O2 -ipo MD.c util.c control.c...
View ArticleGNU inline assembly: ICC memory input interpretation differs from GCC/Clang
Dear developers,Please consider the following code snippet.Compiled with GCC or Clang, it prints "abcdefghijklmno" but with ICC, it prints junk bytes.The problem here is that when an entry allows only...
View ArticleABI compatibility between 19.0 (2019) and 19.1 (2020)
hello,disclaimer: I am working on Intel C++ Compiler support for Conan package manager. for us and our users, it's important to know when packages are fully ABI compatible, and when is it safe to mix...
View ArticleIntel compiler c++ to build tensorflow from source in Windows
Hi,I would like to know if there is any documentation or process related to use of Intel compiler c++ to build tensorflow from source in windows using bazel.Thanks,Aditya
View Articlecatastrophic error: cannot open source file "stdio.h"
I am trying to compile some C code using the Intel compiler. This is standard C code that has been compiled by other C compilers. I am on Windows 10. I just downloaded and installed the 2020 version...
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Unable to install any version of Parallel Studio
I am trying to install Parallel Studio XE Cluster Edition in my workstation laptop. However, I am unable to do it because a "Package checksum verification failed" error always pops up irrespective of...
View Article__declspec(noinline) virtual void inlined
Why? I am compile this project https://github.com/lurumdare/stack_protection With MSVC works good. Thanks.
View ArticleUnable to install Parallel Studio XE 2020 Update 1 for Windows
Every time I try to install Parallel Studio XE 2020 Professional Edition Update 1 for Windows it stops when trying to download files to install with:"Download failedFailed to download installation...
View ArticleBuggy behavior in constexpr memeber variable
Hi, I found that intel c++ compiler behaves suspiciously for constexpr member variable of a template class. With $ icpc -v icpc version 19.0.5.281 (gcc version 8.3.0 compatibility) The following code...
View ArticleCompiler 17.0 Update 4 for Intel 64 Visual Studio 2012 environment
Hi guys, I have a code written in Visual Studio 2012 and I need to compile it with Intel Parallel Studio XE 2017. Does "Intel Parallel Studio XE 2017" support Visual studio 2012?Or any other version...
View ArticleVisual studio 2012 required
I am now trying to link ABAQUS and visual studio 2012 and Intel Parallel studio XE 2013. However I cannot find a visual studio 2012 that updates properly. I tried VS2010 as well, but I need a...
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How are array allocation size computed when overloading new [] operator ?
Hello All, We upgraded from Intel compiler XE 2011 to the most recent version, 2020, and noticed an change that is blocking the upgrade. We've developed our own specific memory allocator, and therefore...
View ArticleProblem on invoking icl in Windows 10
Hi, My computer os is windows 10, and I have installed the Visual Studio 2019 community and Intel parallel studio XE 2020, also the CUDA toolkit 10.2.I want to use the OpenMp and Cuda to accellerate my...
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