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Possible to install Parallel Studio 2011 and Parallel Studio XE 2016 on one PC
Hi staff,I am using Parallel Studio 2011 and Visual Studio 2008. But I'd like to install more Parallel Studio XE 2016 and Visual Studio 2015.First, I've installed Visual Studio 2015. Then, I continue...
View ArticleOption Qcheck-pointers-mpx:rw breaks ICC 16.0 with error 010101_0
Hi!I'm trying to build Google Test library with ICC and option -Qcheck-pointers-mpx:rw . Compilation stops with an error: gtest-all.cc": : error : 010101_0...
View ArticleInvalid floating point optimization?
Hello,I have this piece of codeasm("nop"); asm("nop"); asm("nop"); asm("nop"); double const c = a - b; double const d = -c; double const f = d * e; data->field += f; asm("nop"); asm("nop");...
View Articlefloat to int conversion and autovectorization
I am trying to use Intel C++ Composer XE 2013 to autovectorize a loop.My loop contains a number of float to int conversions that I need to do in round down (toward negative infinity) mode. My initial...
View Articlelimits(1120): error #3377: constexpr function return is non-constant
When attempting to use the workaround for the limits(1120): error : identifier "__builtin_nanf" is undefined bug, I'm greeted by the following errors: 0:25.36 C:\Program Files (x86)\Microsoft Visual...
View ArticleLocation of __assume affects performance
I am using an 8-th order finite difference time stepping function (for 2D acoustic wave equation) shown below.I am observing substantial (up to 25%) performance increase from placing Intel's __assume...
View Article2016 64bit compiler issue
We have just switched over from Visual Studio 2013 with Intel 2015, to VS 2015 and Intel 2016. We've worked through several issues including ones related to Visual Studio 2015 Update 1.Unfortunately...
View ArticleWhere is the online documentation for suppressing warnings
I am looking for the official documentation of how to suppress specific warnings for ICL, for Windows and for Linux.
View ArticleCompilier bug? const std::string is writeable
Hi all,this piece of code is rejected by gcc, however icpc on Linux (tested: v14 and 15)does not complain about using a non-const-iterator / changing a const string,and changes the content of the...
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Incorrect resolution of class in anonymous namespace
HiiWe came across an issue in our Intel (2016) compiler build where it appears separate, but identically named, classes in anonymous namespaces are not being resolved correctly. We've managed to create...
View ArticleICC 2016 upd 1 generates incorrect vectorization code -> CRASH... again...
Ok, so this is the code: /// Integral processing. MNOALIAS MFORCEINLINE ValueType GetFrom01Cubic_Integral(MUINT32 posf) const { // Get the new wavetable index and interpolation coefficient. const int...
View ArticleWhy does the VS looking for "libmmdd.lib" ?
Hello,I have the following scenario.System : Windows 7, Visual Studio 2012, Intel Parallel Studio XE 2016 Update 1 Composer Edition.Sceneario :Project1.sln - Visual...
View ArticleMixing VC++ compiler and Intel C++ compiler in CMake
Hello all,My project requires different compilers per object. Currently we do manage this by writing manual makefiles. We are looking to see if we can migrate to CMake so that its easier to manage...
View ArticleHow to set the compiler permanently?
As a student, I successfully installed the Intel Parallel Studio XE 2016 Update 1 on the latest Ubuntu Mate in Virtualbox (I know, that the virtualization makes some features not work, but for me...
View Articleerror: declaration is incompatible (regparm involved)
hi, i'm trying to build a project (https://github.com/riclas/rstm/) with ICC but i get the following error:libstm/txthread.cpp(138): error: declaration is incompatible with "__attribute((regparm(3)))...
View ArticleDocumentation for __assume() statement?
I have seen the "__assume()" statement used in Intel examples, such as "__assume(n1%16==0)" used in the recommendations in the article at...
View ArticleSource code conventions for optimizing branch prediction?
I have a code for which I know the statistics of a random branch, but I am struggling to understand how to convince the compiler to generate conditional branches of the correct parity for the static...
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[bug report] find_seq_in_lookup_table: seq_number not found
This code causes icpc 16.0.0 (20150815) to report "Internal error loop: assertion failed: find_seq_in_lookup_table: seq_number not found (shared/cfe/edgcpfe/il.cc, line 3997)// Compile with -std=c++11...
View Articlewarning: function was declared but never referenced
Hi, i'm trying to compile my project (https://github.com/riclas/rstm) with ICC but it gives me the following warning, which GCC doesn't: /home/rfilipe/rstm-icc/libstm/algs/norec.cpp(43): warning...
View ArticleHow to submit a code sample in Intel DZ forum ?
Dear Collegues, I've got a question that is probably is offtopic for this forum, but, I could not find an appropriate forum to place this question.How to submit a code sample in Intel DZ forum ?...
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