jit_gemm_convolution bwd data is too slow
Hi, I encountered a performance issue on jit_gemm_convolution, I have one convolution primitive whose input is: stride_w = 2 and jcp.t_pad = 3, so it can not go through avx512 or avx2 path, it go to...
View ArticleNo AVX-512 support?
It seems that MKL fails to use AVX-512 ISA on my system:OS: CentOS 7 with Kernel 4.10 CPU (from /proc/cpuinfo): Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz with 272 logic processors $ ./mkl_get_version...
View ArticleSize problem using zgeqrf and zunmqr
Hello,After using zgeqrf to compute the QR factorization of an m by n matrix, I want to multiply Q by another matrix C (k by k with k<m) with zunmqr.My problem is that the result of the...
View ArticleCluster vs. Pardiso solver .net wrappers
I want to compare the solvers, but only one difference I saw between the cluster and Pardiso routines, which is comm parameter INTEGER MPI communicator. I was wondering how to wrap it to .net C# as in...
View ArticleCluster vs. Pardiso
Hi,I want to try this but only one difference I saw between the Cluster and Pardiso routines, which is a comm parameter INTEGER MPI communicator. I was wondering how to wrap it to C# as in Pardiso...
View ArticleLAPACKE_zgesvxx with small size systems
We use LAPACKE_zgesvxx function in order to resolve a huge system of linear equations. This function is very fast with this kind of matrices, but if we have small matrix Size like < 10x10, it is...
View ArticleProblem with mkl fft dynamic array
Hi, I want to use the mklfft with multithreading, but I faced the problem. I got an error - Segmentation fault (core dumped) even when I just created the simple 2D dimension dynamic array. Also, I...
View ArticleLink error 2019 accessing _DPOSV
I am converting a fortran dll library project from an earlier version of the Microsoft IDE to VS 2008 using Intel Fortran Version 10.0.3.24 and the corresponding MKL. When the linker step of the...
View ArticleMKL changes line endings of stdout to text mode on Windows
This caused a test failure when linking the Julia language against MKL on Windows, see https://github.com/JuliaLang/julia/pull/21264. Libraries shouldn't change output modes from underneath an...
View ArticleQuadratic programming in intel math kernal lib
I am a intel fortran commercial user and looking for general Quadratic programming routine, but I was unable to find it in the math library. The existing routines limited to the constrain L1 <= x...
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djacobi doesn't exit
(Nonlinear Least Squares Problem without Constraints) I have implemented a C# TrustRegion Algotithm using MKL API (eg. dtrnlspbc_solve, djacobi ...) for our purposes. It works very well but sometimes...
View Articledjacobix with user defined function imported from a module
Hi there, I'm new to this forum, so I hope I'm posting this into the correct section. I'm trying to use the mkl trust region algorithm to solve a non linear system of equations in a fortran program. I...
View Articledss_reorder gives access violation error.
I'm trying to solve sparse symmetric system:Matrix A looks like this (I set unly one half, like in example code dss_sym_c.c ):[[ 1.17 -0.08 0. -0.09 0. 0. 0. 0. 0. ] [ 0. 6.98 -1.73 0. -4.16 0. 0. 0....
View Articlemkl 11.3.3 memory leak
We observed following memory leak from mkl:10:57:09,158 7 3.179332e-08 7.099199e-08 2.239095e-14 8.614772e-15 10:57:21,509 0 leaked Serializable objects 10:57:22,421 ==14604== 10:57:22,427 ==14604==...
View ArticleElectrostatic Boundary Value Problem with 3-D Boundary
Hello,Does anyone know if it's possible (and how) to solve a boundary value problem in Cartesian coordinates with a 3-D boundary on one face (let's say the z=0 plane). For example, I want to solve...
View Articlemkl 2017.2.174 linux vs 2017.2.187 windows
I download the latest mkl for both linux and windows and notice minor version is lightly different: 2017.2.174 on linux and 2017.2.187 on windows. Are they supposed to be identical?
View ArticleSimple vectcorization question
Hi,I wrote a simple function and executed it on a KNL processor (68 cores, Flat Quadrature, using MCDRAM) using only one thread and n=10,000,000. I execute this function 100 times and take the...
View ArticleHow to use mkl for FFT？
I am a new student in mkl and c language.now when i replace FFT function with DftiComputeForward， i can not get the correct out put，why？Realft(info.x,info.fftN); // FFT info.x is float in-out x[1] is...
View Article_MSC_VER mismatch again
Hi,Today I upgraded my MKL installation from 2017.0 to 2017.2 and recompile my application, then I got the following link error: 1>mkl_tbb_thread.lib(vml_tbb_threading_templates.obj) : error...
View Articlelibiomp5md.dll not found - VS2015 update 3
I have a fresh install of VS2015 Update 3, and MKL 2017.2.187. It is a stand alone MKL license, I don't have the wider Intel compiler tools. When I run my project, I get an error of a missing...
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