undefined symbol mkl_blas_avx2_cgemm_copyb_ext
I have tried to embed MKL in a java application by embedding the static mkl libraries in a shared lib of mine and then opening that shared lib from the jni. However, I got a link error when I created...
View Articlemkl_ddiamm bug ?
I am trying to multiply two matrices using mkl_ddiamm method:C = A * Bwhere A is diagonal matrix 3x3 and B is general matrix 3x3. No matter what I try, i get as a result no A*B, but B*A. This is my...
View ArticleDifference between C++ code with Blas/Lapack and Matlab
Hi All!I am trying to implement one Linear programming algorithm in C++. For the matrix multiplication, I use Blas and Lapack. However, I find C++ code performs worse than Matlab as the size of problem...
View ArticleExtra precision
I am evaluating MKL 11.3 for Windows. Could you tell me if MKL provides some functionalities like XBLAS (which supports the extra precision or up to twice the working precision)? I notice that MKL has...
View Articlemkl_zcsrcoo faster computation on subsequent calls?
Hi,I have a sparse matrix in coordinate format (row, col, A) and I transform it to CSR to be used for PARDISO. The sparsity pattern never changes (that is, row and col are always the same). Vector A...
View ArticleError in running VASP 5.3.5 with mkl, ifort and mpif90
I did installed VASP executable successfully, only I changed FC=mpif90 (openmpi compiled using Intel compiler) whatever you mentioned in the following...
View ArticleProblem with PARDISO in Windows 10
I have used PARDISO in Fortran successfully in Windows 7. When I moved to Windows 10 my code suddenly did not want to run and it crashes in the call to PARDISO. It seems something changed in Windows...
View ArticleCall dfsNewTask1D from C#
Hey,I'm trying to get the spline functionality to work in C#. I don't seem to know what to put in place for the DFTaskPtr. I can see it's a void pointer in the mkl_df_types.h file, but I don't know how...
View ArticleQuestion with df?EditPPSpline1D in Data Fitting Functions
Hi all,I have a question about parameter bc of function df?EditPPSpline1D. In the documantation ( https://software.intel.com/en-us/node/522222#D69BA4E7-E8BD-4413-A2A9-769D5002F832 ) says :bcconst...
View ArticlePARADISO Compile Error
Hi, I am trying to use PARADISO from the MKL library, however, I cannot compile my program because of the following C2059 syntax error '(' on Line 71 of mkl_paradiso.h Has anyone else had this...
View Articleslow out-of-place matrix transposition using mkl_domatcopy
I created test program to test speed of matrix transposition for various scenarios, in particular:1. in-place transposition of square matrix using mkl_dimatcopy method 2. out-of-place transposition of...
View ArticleXerbla and CBLAS/BLAS
Hello,I have a problem using xerbla and cblas/blas functions. The following code ends up with a segmentation fault:#include "mkl.h" #include <iostream> void XERBLA(const char * Name, const int *...
View ArticleNo PZLAHQR in MKL
Hello,I am using ScaLapapck from MKL.Is there a PZLAHRQ routine in MLK?The reference manual says it has only a real version https://software.intel.com/en-us/node/521530If no, then how can I do a Schur...
View ArticleSparse BLAS - sparse_dense matrix multiplication with zero indexing and...
Hello,I would like to use MKL sparse blas in C++ for computing multithreaded sparse-dense matrix multiplication. I would like to compute C = S * B, with S a sparse matrix in format coo or csc in...
View ArticleMatrix Inversion LAPACKE_zsytri
hello everyone,I'm testing the inversion of a symmetric matrix, in order to do that, I wrote this code:Complex[,] c = (Complex[,])a.Clone(); //I need to use it later Complex[,] d =...
View ArticleCompiling in a mingw64/msys2 environment
I'm trying to build my C program in a mingw64 (msys2) environment using cmake.I successfully compiled my example code with inkl mkl_malloc() call, but once including vdMul() function I get the...
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MKL Pardiso (version 11.2.3): wrong output of phase 331 with multiple rhs and...
Hi,I recently started using MKL_PARDISO. I noticed that phase 331 gives the wrong result if you want to solve for multiple right hand sides using the Schur complement feature.Attached a code to...
View ArticleDifference of calculcation result between i7 and xeon cpu
Hi.I make the numerical calculation program and run two computers. (One is used i7 cpu, others Xeon cpu.)The numerical result is slightly different. (input data is same).My program is very sensitive to...
View ArticleBug in MKL 11.3.0.109 FFT
Hello,I am pretty sure I found a bug in the DFTI (FFT) routine of MKL.When doing a 2D complex-to-real FFT, for some array sizes, the FFT routine writes precisely 2 real values too many. In those cases,...
View ArticleIntel MKL 11.3 hotfix release for BLAS, FFT, and sparse BLAS issues
Intel MKL Users,We recently discovered that some BLAS, FFT, and sparse BLAS routines produce incorrect results under certain circumstances. We believe the scope of the issues is limited and that they...
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