Options: Guided Auto Parallelism dialog box
The following topic applies to Eclipse* for C/C++.To access the Guided Auto Parallelism page, select Window> Preferences> C/C++> Intel Guided Auto Parallelism Preferences.Use this page to...
View ArticleCreating a Simple Project
Parent topic: Using Eclipse* (Linux* OS)Creating a New ProjectAdding a C Source FileSetting Options for a Project or FileExcluding Source Files from a BuildBuilding a ProjectRunning a ProjectIntel®...
View ArticleUsing the Command Line
Parent topic: Getting StartedUsing the compilervars File to Specify Location of ComponentsInvoking the Intel® C++ CompilerUsing the Intel® Command-Line WindowUnderstanding File ExtensionsUsing...
View ArticleCan't compile sample mic code
Recently downloaded an evaluation copy of parallel studio xe 2015. I have a server running Redhat Linux 6.6 with 2 MIC cards and have (successfully, I think, install mpss 3.4.1.I am trying to compile...
View Articleinline-max-total-size, Qinline-max-total-size
Specifies how much larger a routine can normally grow when inline expansion is performed.SyntaxLinux OS and OS X:-inline-max-total-size=n-no-inline-max-total-sizeWindows...
View Articlepc, Qpc
Enables control of floating-point significand precision.SyntaxLinux OS and OS X:-pcnWindows OS:/QpcnArgumentsnIs the floating-point significand precision. Possible values are:32Rounds the significand...
View Articlefimf-absolute-error, Qimf-absolute-error
Defines the maximum allowable absolute error for math library function results.SyntaxLinux OS and OS X:-fimf-absolute-error=value[:funclist]Windows...
View Articlepar-schedule, Qpar-schedule
Lets you specify a scheduling algorithm for loop iterations.SyntaxLinux OS and OS X:-par-schedule-keyword[=n]Windows OS:/Qpar-schedule-keyword[[:]n]ArgumentskeywordSpecifies the scheduling algorithm or...
View ArticleMeasuring LLC cache hit count using rdmsr and wrmsr
Hi,I've been trying to figure out an efficient way of instrumenting certain specific array accesses in my program. For each of those array accesses, I need to determine whether it resulted in a request...
View ArticleOverview: Eclipse* Integration
The following topic applies to Eclipse* for C/C++.The Intel® C++ Compiler for Linux* OS provides an integration, also known as an extension, to the Eclipse* IDE.Eclipse* is an open source software...
View ArticleGetting Help and Support
Windows*Documentation is available from within the version of Microsoft Visual Studio* installed on your system. From the Help menu, choose Intel Compilers and Libraries to view the installed user and...
View ArticleIntel ___intel_memcpy slower than platform memcpy
I recently noticed that Intel icpc compiled program is noticeably slower when memory operations are intensive. So did some benchmark on memcpy. It appears that __intel_memcpy is slower than the...
View ArticleSegfault on cout
I'm compiling this very short program: #include <iostream> using namespace std; int main() { size_t M = 500; size_t K = 2000; size_t N = 500; double A[M*K]; double B[K*N]; double C[M*N]; cout...
View Article_mm256_unpackhi_pd
Unpacks and interleaves high packed double-precision floating point values. The corresponding Intel® AVX instruction is VUNPCKHPD.Syntaxextern __m256d _mm256_unpackhi_pd(__m256d m1, __m256d...
View Article_mm256_testc_pd, _mm_testc_pd
Performs a packed bit test of two 256-bit or 128-bit float64 vectors to set the CF flag. The corresponding Intel® AVX instruction is VTESTPD.Syntaxextern __m256d _mm256_testc_pd(__m256d s1, __m256d...
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 ArticleInvoking the Intel® C++ Compiler
Requirements Before Using the Command Line on Windows*You typically do not need to set any environment variables prior to using the command line. Each of the Visual Studio* IDE variations has its own...
View Article_mm_atanh_ps, _mm256_atanh_ps
Calculates inverse hyperbolic tangent value. Vector variant of atanh(x) function for a 128-bit/256-bit vector argument of float32 values.Syntaxextern __m128 _mm_atanh_ps(__m128 v1, __m128 v2);extern...
View Article_mm_invcbrt_ps, _mm256_invcbrt_ps
Calculates inverse cube root value. Vector variant of invcbrt(x) function for a 128-bit/256-bit vector argument of float32 values.Syntaxextern __m128 _mm_invcbrt_ps(__m128 v1);extern __m256...
View Articleerror: invalid entity for this variable list in omp clause
Dear all,I am aware that this issue has been raised before however the resolutions posted in those specific threads have not aided in my case.I am getting the following openmp error for a parallel for...
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