error occurred in LAPACKE_zposv
Official example code of LAPACKE_zposv is in this webpage.https://software.intel.com/sites/products/documentation/doclib/mkl_sa/11... When a row-major symmetric complex matrix A is passed into, we get...
View ArticleTR solver five times slower in windows 10 than in windows 7
I use the latest version of MKL(mkl 2017.0.109), and tested the TR(trust-region) solver (with or without constraints) with the same codes in both windows 7 (sp1) and windows 10 (enterprise). I found...
View ArticleCommunity License clarification
HiI would like to get clarification on if a selling a commercial product using MKL for some internal computations needs any special license or if the community license is sufficient. All developers...
View ArticleComputing Variance of Multiple Rows
I'm having trouble figuring out how to compute the variance of multiple rows in a Matrix. Suppose I have an M row by N column matrix X for which I need to compute N different variances, one for each...
View ArticleNewbie question : is there a way to estimate the memory needed for cluster...
Hello,Looking at the SMP version of pardiso I may be able to roughly get the maximum memory from iparm[15]-[17] (https://software.intel.com/en-us/node/521691), but these are not used for the cluster...
View ArticleSuppressing error messages.
I have been attempting to replace the random number generator I have in my code with MKL's generator.In one subroutine, I would like to check if a specific stream, for example, type(vsl_stream_state)...
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Sparse PARDISO_64 solver and weird solutions
Hi there, We are encountering inconsistent behaviour with the sparse PARDISO_64 solver.We are trying to solve a linear system, which corresponds to the stationary distribution of a discrete-time Markov...
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MKL DNN performance
I am seeing very poor performance with dnnConvolutionCreateForwardBias_F32.My naive C++ implementation of a forward convolution is 4X faster than when I try to do the same thing with MKL DNN. I was...
View ArticleCalling FFTW3 by Fortran with MPI, types of variables by using iso_c_binding
Hi,I am working on a complicated fortran code, which uses MPI and calls FFTW3 functions directly.As FFTW3 manual pdf file says, the integer is replaced by integer(c_intptr_t), the complex becomes...
View Articlebasic question using MKL data fitting
Hi all,This is my first time using MKL data fitting function. The following code was adopted from the online example with only input data added (https://software.intel.com/en-us/node/522217). For data...
View ArticleSchur with Sparse PARDISO Complex matrix
I am using PARDISO to compute a Schur complement matrix. I am testing with real matrix meaning that I am using complex numbers with 0 imaginary parts. When the matrix size is small, the imaginary part...
View ArticleSEGFAULT in mkl_dcoomv() on Xeon Phi
I keep getting segmentation faults within mkl_dcoomv() function from MKL invoked in a native mode program on Xeon Phi (KNC). The code works well on the host (Haswell) as well as with the CSR strorage...
View ArticleCompile errors of mpif90 for a MPI Fortran with FFTW3 code
I have a fortran code using MPI and calling FFTW3. It can be successfully compiled by the command mpiifort. But when I try to use mpif90, it gives errors like:fftwtest_fwd.f90:(.text+0x2a6): undefined...
View ArticleIntegration with MS VS 2015 gone
Had to replace my desktop and restart all installations.With VS 2015 installed, I proceeded to reinstall Intel MKL Libraries and Intel MPI Libraries.The "magic" of the properties selection "Intel...
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C# dtrnlspbc_init
I'm trying to understand how to declare and use in C#: RCI TR Routines for Problem with Bound Constraints.I created a simple test console program, and declared just one function (dtrnlspbc_init) but I...
View ArticleWhat is the build number of the latest Intel MKL version?
Is the build number for the latest Intel MKL version 20161005 ? We are still struggling with a bug that was reported last year, regarding usage of the sparse cluster solver when using more than one...
View Articlemkl_sparse_spmm fails with "The requested operation is not supported."
I am trying to multiply two sparse matrices after converting them to sparse_matrix_t from COO format (using mkl_sparse_d_create_coo to convert, which is working), and then upon using mkl_sparse_spmm,...
View ArticleQuestion using vdmul
On my MAC with Intel, using vdmul does not make the multiplication of two matrices faster than the usual A*B multiplication. Is this normal? Or does it mean that maybe I did not install MKL...
View ArticleLarge sparse matrix solving problem with cluster
Dear IntelWith your help a month ago, I could set up the 'cluster sparse solver 64' program using 'iparm[1]=10 (The MPI version of the nested dissection and symbolic factorization algorithms)' with my...
View ArticleQuestion about mkl_sparse_d_export_csr
I am using mkl_sparse_d_export_csr to access the arrays rows_start and rows_end of the csr representation of my matrix. I have a question about memory allocation. Before call mkl_sparse_d_export_csr, I...
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