opnemp dynamically switch on/off in mkl
Hello! I am trying to mix mkl and TBB in my project, therefore I am trying to make MKL dynamically switch on/off as I wish. I use the mkl_set_num_threads() to set the number of threads, when I want the...
View Article-mkl=parallel appears to link with both ilp64 and lp64 MKL libraries
As the number of data elements in the application data gets bigger we're moving to use the ilp64 MKL routines.I used the Intel Link Line Advisor to specify the required link libraries. Based on this...
View Articlecblas_cdotu_sub and cblas_cdoc_sub
Hi,I have noticed that the cblas functions cblas_cdotu_sub and cblas_cdotc_sub are returning 0 for the scalar product instead of the correct value. In earlier versions of MKL, the bug was also present...
View ArticleClik here to view.
SVD with via "divide and conquer" method (LAPACKE_sgesdd)
Hi,I am searching for the most efficient SVD calculation approach in MKL and about to conclude this is "LAPACKE_sgesdd". Could you please help me with two questions:1. Is "LAPACKE_sgesdd" really the...
View ArticleDSBGVX documentation: ifail dimension is n?
dsbgvx kept crashing on me with an access violation for large enough problems (n=3636). I am compiling for an x64 target.Meticulously studying the manual,...
View ArticleMKL_PARDISO in os x
Hello, I am trying to solve a sparse linear system in fortran 90 using the mkl pardiso solver as in the following code: do i = 1, 64 iparm(i) = 0 end do error = 0 ! initialize error flag msglvl = 1 !...
View ArticleError linking with Lapack
HiI am trying to run an example that solves a set of linear equations using SGESV, but during linking I get the following error messages: 1>mkl_intel_c.lib(_sgesv.obj) : error LNK2019: unresolved...
View ArticlePARDISO: Large number of subsequent identical calls result in very different...
Hi,I am working with Pardiso in C++ on sparse symmetric positive definite matrices. Unexpectedly slow performance led me to do the following experiment:I define a matrix and run phase 11 (symbolic...
View ArticleVML accuracy environment variable
Would it be a stupid idea to have an environment variable MKL_VML_MODE that - if set - would call vmlSetMode() ?MKL_VML_MODE - Comma separated strings of parameters as defined in mkl_vml_defines.h....
View ArticleDistribution with VS2012+MKL
I am trying to distribute my VS2012/MKL code to a separate computer. When on that computer I get a vcomp.dll not found. I understand that by using vcomp.dll, the application is using the MS OpenMP...
View ArticleMKL FFTW interface performance
Hi, I am trying to reproduce the results of the MKL FFTW interface in this report:http://download-software.intel.com/sites/default/files/article/165868/in... Does anybody know where I can get...
View ArticlePARDISO linking in a c++ project
I have been using MKL PARDISO in C language projects for many years. I works nicely. Recently, I tried to include PARDISO in C++ project. But it does not work. The linker gives a message that...
View ArticleIs MKL plan to implement the parallel sparse blas?
I know the MKL can deal with the sparse blas. It is very useful for the finite element coding. However, for the parallel computing, it needs parallel sparse blas. So, Is MKL plans to implement the...
View ArticleCannot run SVD on Armadillo linked with MKL
Hi, I am trying to run an SVD on a 19016x19016 matrix on my Mac OSX Mavericks with Armadillo linked to Intel MKL. But I get the following error: ./example SVD Start: 19016 19016 0.000000 ** On entry to...
View Articlemkl_serv_set_xerbla_interface
Hi,I just bumped into this error message while attempting to run a newly-built code: "Entry Point Not Found - The procedure entry point mkl_serv_set_xerbla_interface" could not be located in the...
View ArticleProblem with MKL and MEX
I am trying to write a mex programm but it gives errors. When I use the VS2012 the code runs, but when I converted it to mex it didn't work. The code gives errors when it tries to use the mkl library...
View ArticleScalapack PXLAWRITE and PXLAREAD
Hi,Does MKL Scalapack include the PXLAWRITE and PXLAREAD (X=Z,C,D,S) subroutines? When I try to use them in my code I get 'undefined reference' link errors. I do not see them in the MKL...
View Articlefeast threading
hi guys, only getting 50% throughput CPU-wise when using FEAST's eigensolver. i am aware that hyperthreading is merely emulation, but isn't it possible to get the solver to still exploit all available...
View Articlefortran+fftw=nan (sometimes)
Hello,I run a fortran multithreaded code that uses ffts. I am now trying to switch tofttw available thru mkl. When I insert the code below the results moreoften than not are nans or infinity even...
View ArticleMKL from C
I am having trouble understanding C interface for MKL. In particular the const modifier. I need to use tridiagonal solver ?dtsvb which should have C interface:void ddtsvb (const MKL_INT * n, const...
View Article