Quantcast
Channel: Intel® oneAPI Math Kernel Library & Intel® Math Kernel Library
Browsing all 2652 articles
Browse latest View live

Need help to interpret result of MKL HPL MP_Linpack

Hello All!I have a cluster consisting of 12 dual socket E5-2650 10-cores 64GB memory compute nodes.I ran the mkl single linpack benchmark and I got around 650 Gflops which seems to be...

View Article


linking pardiso

Hi,I'm trying to compile and run pardiso_solv_sym_inv.f90 program from PARDISO. My compilation is succesfull but during the execution I get a segmentation fault error. Obviously my linking in not...

View Article


Question on BLAS const arguments

Hi, I have a couple of general questions concerning multiple const arguments in blas and blas extension calls (C++ user).1) When one has 2 const data (i.e. pointer) arguments, is there any harm in...

View Article

Is there something wrong in DataFitting interpolate with user defined...

Hi all,I meet a strange problem in DataFitting Module while call df?InterpolateEx1D function. If I present the call back function for extrapolation , the result was wrong. But if set them to NULL,...

View Article

Image may be NSFW.
Clik here to view.

Nonsymmetric eigenvalue problem

Hello,I'm trying to compute the right eigenvectors of a Hessenberg matrix. It seems I get the correct results when using the driver routine ?geev, but I can't obtain the same results with the...

View Article


Getting different output when calling the same FFT functions of MKL from C++...

I got different results when calling same functions of MKL from intel C++ compiler and IVF separately. I'm in windows 10 64bit, and VS 2013. My C++ code is as follows: #include <complex> #include...

View Article

Feast RCI with real factorizations

Hello,I would like to try to use FEAST to solve the generalized eigenproblem (A-sB)x = 0, where A is symmetric, positive-definite, and B is symmetric (actually, it's a diagonal matrix), positive...

View Article

Compiling a program using a LAPACK95 subroutine

I have some experience programming Fortran + lapack 95 with a gfortran compiler and I am trying now the intel fortran compiler. I am completely new to this compiler so I hope this is not a completely...

View Article


11.3 Update 1 integer divide by zero when using MKL_DIRECT

I am using the "direct" calls set by MKL_DIRECT and am moving from MKL 11.2 to MKL 11.3 Update 1I am finding my code is throwing a "integer divide  by zero" exception at this call when using 11.3...

View Article


memory leakage problem

Dear all,I have a project with multiple times using MKL functions. After tens of times calling my program, the memory usage is larger and large (from initial 100 MB to latter more than 10 GB). So I use...

View Article

Unknown error code returned by vsldConvExec

In certain cases, when executing a 6d convolution task with vsldConvExec, it fails and returns code  -17891602. I couldn't find any explanation for what the status code means. I'm running mkl 11.3 on...

View Article

Unknown error code returned by vsldConvExec

In certain cases, when executing a 6d convolution task with vsldConvExec, it fails and returns code  -17891602. I couldn't find any explanation for what the status code means.

View Article

Distributing Header Files?

I had a question regarding licensing and distribution of software which uses Intel MKL.  We are developing a toolkit that we are planning to publish soon which makes use of the Intel Math Kernel...

View Article


Documentation on dss_solve_real and dss_solve_complex

The documentation on dss_solve_real and dss_solve_complex functions reads:The lengths of the right-hand side and solution vectors, nCols and nRows respectively, must be defined in a previous call to...

View Article

Performance of MKL BLAS routines vs self compiled BLAS

HiI am using BLAS with my software, especially various GEMM & GEMV routines.I have used Intel vTune to profile my software, and found out that using my own BLAS library (compiled with Intel Fortran...

View Article


Parameter 5 was incorrect on entry to cblas_dgemm when running Intel example

 I have attempted compiling and running the example "Multiplying Matrices Using dgemm" in the online MKL tutorial; the URL is https://software.intel.com/en-us/node/529735.  I am using Visual C++ in...

View Article

Basic question regarding matrix inversion vs solver

Dear all,Given a matrix A, I need to calculate element (1,1) of its inverse... i.e. if B = inv(A), i need B(1,1), and not the entire matrix B.Hence, doing a complete inversion of matrix A seems a bit...

View Article


Problem with upgrade from MKL 10 to 2013

What I used Visual Studio 2010 with MKL 2013 installed to upgrade a complex C#/Fortran solution  from Visual Studio 2008/Intel fortran 10.  When I build the project, I get an error linking the Fortran...

View Article

icc: error #10052: could not checkout FLEXlm license

Hi,I have been trying to install the Intel Parallel Studio for linux and have finally reached the end of my abilities.  I have all packages installed, but I get the following when I try to run icc...

View Article

bug in ZGETRF thread spawning?

A week ago I noticed that my code is running at about 50% of the expected speed, and upon closer inspection I found that ZGETRF spawns significantly more threads than intended when called inside a...

View Article
Browsing all 2652 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>