autoparallelization problem
When I compile the following small program with -O2 or -O3 and -parallel and run it with OMP_NUM_THREADS>1 it crashes with signal 11 either immedeately (-O2) or when trying to print out res (-O3)....
View ArticleIcc not detecting duplicate variables in OMP target update clause
If you mention (accidentally) a variable twice in an OMP 4.0 target update clause icc 14.0.2 will not detect this and instead ignore it.Sample Code:#include <stdio.h> #include <stdlib.h>...
View ArticleHow to communicate a c socket with cpp socket on linux.
Good day, I'm trying to make a socket communication between c socket and cpp socket, but it don't functin me, who can help me? Thank you!
View Articlebug report, template alias problem
Hello,I'd like to report a compilation failure for this code (first part is just for C++14 support) ://////////// NOT INTERESTING PART /////////////////////// namespace std { template <typename T,...
View ArticlePossible to install C++ Compiler 14 and 15 Beta
Hello,is it possible to install the "non commercial" version of thelinux parallel Studio XE 2014 and the studio 2015 beta at the same time on the same machine for testing and comparing the results?Best...
View ArticleStack space not reused
HiI have a simple program#include <stdio.h> int main() { { char buf1[2048]; printf("buf1: %p\n", buf1); } { char buf2[2048]; printf("buf2: %p\n", buf2); } return 0; }I expect buf1 and buf2 to...
View Article编译及优化运行于Xeon Phi™处理器上的Hogbom Clean基准测试程序
概括本文介绍了编译、优化及运行Hogbom Clean基准测试程序于Xeon Phi™处理器上的步骤和方法，以及讨论了对代码的改动以使程序在Xeon Phi™处理器上获得更大的性能提升。介绍Hogbom Clean是“澳大利亚平方公里阵列探路者射电望远镜（ASKAP）”工程基准测试包的一部分，ASKAP基准测试包是一个用于测试众多平台性能的多算法代码包，Hogbom Clean...
View ArticleGUI toolkit
Hi I use to write my code in FORTRAN and build GUI using 3rd party software named 'Winteracter' which is an amazing piece of software coded in 'C++' but designed to FORTRAN users. Now, I...
View ArticleIntel C++ Composer 2013 and Ubuntu 14
The notes for Intel C++ Composer 2013 SP1.1 and SP1.2 mentions compatibility with Ubuntu 13. Do these versions run correctly on the recently released Ubuntu 14 ?
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Intel(R) C++ Compiler 2014 for Android* Getting Started Guide: Linux* Host
Sprache EnglischAnhang: Herunterladenl_cc_getting_started.pdf
View ArticleTechnical Presentation tomorrow on new Optimization Reporting in Compiler...
Hi all,We've got a technical presentation coming tomorrow (9am Pacific) on one of the key new features in Intel® Composer XE 2015 (both C++ and Fortran). If you're interested in performance tuning...
View ArticleEnvironment Variable for I/O Proxy Control for Offloaded Code
This topic only applies to Intel® Many Integrated Core Architecture (Intel® MIC Architecture).The MIC_PROXY_IO=0|1 environment variable controls the proxy of stderr and stdout. It specifies whether the...
View ArticleOffload Using Shared Virtual Memory
Parent topic: Programming for Intel® MIC ArchitectureOverview: Using Shared Virtual MemoryUsing Shared Memory_Cilk_offload Controls synchronous and asynchronous execution of functions on the CPU and...
View ArticleOffload Timers for Intel® Graphics Technology
This topic only applies to IA-32 architecture targeting Intel® Graphics Technology. Intel® Graphics Technology is a preview feature.The timers maintained by the offload runtime are useful for breaking...
View ArticleInitiating an Offload on Intel® Graphics Technology
This topic only applies to IA-32 architecture targeting Intel® Graphics Technology. Intel® Graphics Technology is a preview feature.The code inside loops or loop nests following #pragma offload...
View ArticleUsing the Command Line
Parent topic: Getting StartedUsing the compilervars File to Specify Location of ComponentsInvoking the Intel® C++ CompilerUnderstanding File ExtensionsUsing Makefiles to Compile Your ApplicationUsing...
View ArticleAdding a C Source File
The following topic applies to Eclipse* for C/C++.To add a source file to the hello_world project:Select the hello_world project in the Project Explorer view.Select File> New> Source File. The...
View ArticleUsing Xcode* (OS X*)
Parent topic: Getting StartedCreating an Xcode* ProjectSelecting the Intel® CompilerBuilding the TargetSetting Compiler OptionsRunning the ExecutableBuilding a Universal Binary from the Command...
View ArticleQuestions on AVX backwards compatability (SSE)
Will code that was formerly complied in a generic format for SSE run with out modification on AVX?
View Article_mm_fnmadd_sd
Multiply-adds negated scalar double-precision floating-point values of three float64 vectors. The corresponding FMA instruction is VFNMADD<XXX>SD, where XXX could be 132, 213, or 231.Syntaxextern...
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