General question. Seeing error in lower digits when doing simple dgemm example
Hi, I am new to MKL. I started by doing a basic example which creates an NxM matrix A. A consists of random numbers between -1 and 1 and can contain one digit after the decimal point only. For...
View Articlecould pardiso handle a sparse equations with dynamic size?
Hi, I am new to Pardiso and I want to use pardiso to solve a large sparse linear equations in a transient problem. My problem is that my sparse matrix size is not fixed . it is dynamic and varies with...
View Articlepardiso_handle_store hangs
Hi,I'm using pardiso for a project at work. Everything seems to be working well except when attempting to store the handle after performing matrix factorization. For some reason, pardiso_handle_store...
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MKL Scalapack uses much more RAM than NETLIB version
Hello,I really enjoy using MKL libraries since they are much faster on our 36 core Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz mashine. However our scientific research requires diagonalization of very...
View Articlespblas memory question
program main use mkl_spblas use iso_c_binding implicit none type(SPARSE_MATRIX_T) A, B type(MATRIX_DESCR) descA integer :: indexing = SPARSE_INDEX_BASE_ONE integer m, n, nnz, stat integer,...
View Articleis there any MKL function can outputs L matrix of cholesky decomposition
I want to solve some linear equations（Ax=b） with same matrix A and different vector b. So i decided to decompose matrix A with cholesky decomposition to get matrix L (A= LT*L).Is there any MKL...
View ArticleIntel Math Kernel Library Cblas int8 gemm and dnnl int8 gemm
Hello,I have some questions on cblas_gemm_s8u8s32.1. What is the reasoning behind requiring one side to be signed and the other unsigned?2. When I do matrix multiplication with cblas_gemm_s8u8s32...
View ArticleWhich LAPACK version is used in MKL?
Hello,I couldn't find any information on what LAPACK version is used with the current MKL version (2019 update 5).In Matlab R2019a for example, I can see with the command "version('-lapack')" that MKL...
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FPE with Data Fitting Akima spline
Hi,I have found an issue with the Akime spline type in the Data Fitting library that results in a FPE being produced by the MKL library.It occurs when the Akima spline is constructed with a set of...
View ArticleIntel® MKL version 2020 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 ArticleFFT with oneMKL
Hi,I am currently trying the new oneAPI,I have the impression that if we pass the simple level of arithmetic computation, examples are coming rare.Would be possible to have a simple example of FFT...
View Articleillegal instruction on Linux
I met a illegal instruction issue on Intel Gold 5118 CPU and suspect it's caused by AVX-512 instructions in MKL.Flags in /proc/cpuinfo on the issue machine only contain avx512f and avx512cd and don't...
View Articlemkl_intel_thread.dll
Hisir, I am using anaconda.it gives me an error like " The Ordinal 242 could not be located in the dynamic link library. c:\programdata\anaconda3\library\bin\mkl_intel_thread.dll ".so, please solve...
View ArticleTEXTREL in shared lib
Hi!We got someone complaining about using MKL in a SELinux-enabled docker due to TEXTREL in shared lib.And seems IMPI also has this issue.Any idea why? Is this a bug during the build process of Intel's...
View ArticleQ and R factors in Sparse QR
Hi,is there any chance that in a future release, the separate Q and R factors and the permutation matrix in a sparse QR decomposition will be accessible in the API? This feature is essential for an...
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Configuring CMake - BLAS and MLK Library Not found
Hello:I am configuring CMake and the Blas and MKL libraries are not found. Not sure if you are familiar with this and coud assist.I am using Intel Parallel Studio XE...
View ArticleOfficial CMake support for MKL
Hi,I would like to add MKL to my C++ library, but it is currently tedious to do so using CMake. The C++ community has mostly embraced CMake over the past few years, as can be seen in the number of...
View ArticleMatrix Inversion using Lapack (DGETRF/DGETRI)
I am trying to invert the following matrix using DGETRF and DGETRImatrix = 0.50E+12 0.00E+00 -0.30E+09 0.25E+12 0.00E+00 0.10E-02 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00...
View ArticleMatlab crashes when invoking functions from intel MKL
I'm trying to link Fortran code with Matlab using the Mex function. I can successfully compile and link the code using the following instruction:mex COMPFLAGS="$COMPFLAGS -Qopenmp -Qmkl"......
View ArticlePARDISO compatibility problem with new version OPENMP
Following runtime warning shows up when using the 2020 version of Intel fortran compiler along with MKL pardiso solver:OMP: Info #273: omp_get_nested routine deprecated, please use...
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