Intel® Math Kernel Library 11.1 Update 2 is now available
Intel® Math Kernel Library (Intel® MKL) is a highly optimized, extensively threaded, and thread-safe library of mathematical functions for engineering, scientific, and financial applications that...
View ArticleMKL on Visual Studio 2012 with V110_XP toolset
Visual Studio 2012 did not compile for Windows XP until the service pack 1 was released. It introduced v110_xp toolset. Using this toolset you can compile for Windows XP win VS2012.I installed update 4...
View ArticleMKL sequential parallel option and FFT
Hi, I got an question.What is different between sequential and parallel options in mkl ?When I try to use FFT, two different options bring me two different answers. ( The input and output are different...
View ArticleSubroutine to solve system of equation with the accuracy better than double...
I'm currently using the GESV subroutine from MKL library to solve the system of equations (A.x=B). The number I used is Double Precision.I see the results are accurate up to 11 digits after the...
View ArticleVML for safe evaluation of function
Hello, I plan to use VML to evalaute the following functions:y = x / (exp(x) - 1) and dy/dx = 1/(exp(x)-1) - x exp(x)/(exp(x)-1)^2I have to make sure that, i do not get NAN or Infinity at x...
View ArticleProgress bar for FEAST eigensolver
Does anyone know if it is possible to determine the progress of an eigenvalue analysis using the Feast solver? I use it to calculate the natural frequencies of buildings and bridges and, for medium...
View ArticleQR decomposition for transposed matrices
Hi,could you please help with a solution of the following issue.There is a simple Z*beta=Y overdetermined linear system with respect to beta and I want to solve it with MKL/QR decomposition. I read...
View ArticlePardiso test example fail
I am trying to debug my implementation of PARDISO, but unfortunately I cannot get even a simple example to work.I created a 6x6 matrix with 16 non-zero elements and used the mkl ddnscsr routine to...
View ArticleMKL numpy/scipy not passing tests
Hi,I've been pulling my hair out for a few days trying to get a build of numpy/scipy against the MKL to pass all the scipy tests. I've ran out of ideas to try, so any ideas on what to try next would...
View ArticleHow can I remove a column from a sparse matrix (CSR) using MKL
I need to revove a column from a large sparse matrix that is stored in CSR format, using MKL. I cannot find an MKL routine that does this directly. Can anyone tell me how it can be done? I'm using...
View ArticleSVD runs very slow and sometimes doesn't return for matrices which cannot...
Hi GuysI have been struggling with the MKL SVD computation recently. So I really appreciate if anyone can help out.Basically I am using MKL SVD to calculate the first two eigenvectors for a matrix. I...
View ArticleUse array of floats as argument
Is it possible to use an array of floats as parameters when using dgemm?
View Articlemisunderstanding of pardiso_64
Dear sir or madam:Hi, I need to use mkl pardiso to help me solve problem in 64bit linux system. Because I use 64bit-integer (ILP64 interface layer), I need to make use the function, compile command and...
View Articlemisunderstanding of dss_create Direct Sparse Solver (DSS) Interface Routines
Dear sir or madam:I need to use dss interface in c++ program.From Intel® Math Kernel Library Reference Manual MKL 11.1, Page 2973:The default value of the parameter opt is MKL_DSS_MSG_LVL_WARNING +...
View ArticleIs there a problem with hemm() ?
If I multiply two complex diagonal 2x2 matrices, with chemm(), I don't get a diagonal matrix ! Here is the code for C=A.B Matrix A is stored as an upper triangle hermitian matrix. #include...
View ArticleCompiling R 3.0.2 with MKL
I'm not sure if R compiled correctly with MKL:When I do ldd on R I don't see any reference to MKLbenjamin@benjamin-Lenovo-IdeaPad-Y510P:/opt/intel/mkl/tools$ ldd /usr/lib/R/bin/exec/R...
View ArticleFunction to solve the linear "less-equality"-constrained least squares (LSE)
Hi, I know there is ?gglse that solves the linear equality-constrained least squares problem using a generalized RQ factorization minimize ||c - A*x||2 subject to B*x = d However I would like to solve...
View ArticleSymmetric sparse matrix - dense matrix multiplication
I need to multiply a symmetric sparse matrix A with a dense matrix X (Y = A*X) using multi-thread/core. The matrices I'm using are the adjacency matrix of graphs, with large number of nodes (up to 2...
View ArticleHow do we select the column of a matrix?
Hello!I am new to MKL and to C in general. Lets say that we have two matrices A, B of size (n,k). We would like for j =1 until k to subtrack the j column of A from B. In Matlab language the code is:...
View ArticleI can't run MKL with Visual studio.
Hello!I installed on my computer Intel® C++ Studio XE for Windows 2013 SP1 and Microsoft Visual Studio Pro 2012. Then I followed the instructions that I watched on this video...
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