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syrk mkl armadillo wrong output
I have written the following simple program for syrk using armadillo (arma.sourceforge.net).Environment : Rhea from OLCF. https://www.olcf.ornl.gov/computing-resources/rhea/MKL : Tried with version 16...
View Article.NET Memory Usage - MKL under .NET
As every .NET developer knows memory usage is managed from Garbage Collector. This layer determines when memory is released and how to reorganize it. It allocates spaces for each thread separately and...
View ArticleDirect Sparse Solver for Clusters - Pardiso Memory Allocation Error
Hi,Once again having some trouble with the Direct Sparse Solver for clusters. I am getting the following error when running on a single processentering matrix solver *** Error in PARDISO (...
View ArticleHyperThreading and CPU usage
Hi everyone,I tried LAPACKE_dgels and change NO thread-nubmer settings at all. I guess the default thread number (the same as phycical core number) is used. As I wathch the CPU usage during the code...
View ArticleHow can I interrupt / abort LAPACK and BLAS methods which do not support...
I'm computing some SVDs and other time-consuming things using the mkl C libraries.I've found that some methods implement a progress call back...
View ArticleUnhandled exception at 0x011BB3FA (mkl_core.dll)
Hello World!I have installed Intel Parallel Studio XE 2017. I'm having some problems with MKL, when I compile the code in c++ using Visual Studio 2013 I get the following error:Unhandled exception at...
View ArticleDisable the permutation during the schur complement computation
Hi All,I am using Pardiso from MKL to compute the Schur complement of a matrix, and I realize that it permutes the matrix during the reordering and numerical factorization.Is there a way to disable...
View ArticleCrash while calling pdmr2d for a large matrix
Hi,I recently parallelized my fortran90 code using Intel MKL ScaLAPACK.With relatively smaller matrices it worked fine,however when I ran my code for a double-precision real matrix of size 40656 by...
View Articlemkl_link_tool quiet output?
All,Perhaps a FAQ, but my search-fu is lacking. My question is: is there a way to get "quiet" output from the MKL Link Tool? For example:(1259) $ $MKLROOT/tools/mkl_link_tool -libs --compiler=gnu_f...
View ArticleMKL, macOS, and GNU Fortran
Intel MKL Gurus,A quick question: why is GNU Fortran not an accepted compiler for MKL on macOS?(1264) $ $MKLROOT/tools/mkl_link_tool --os=mac -libs --compiler=gnu_f --parallel=no Intel(R) Math Kernel...
View ArticleIntel MKL DFT gives incorrect result on odd number sampling points
HI, all:I'm using MKL DFTI to do 2D complex in-place DFTs. I found that when the size of my data array is odd, say 89x89 or 45x45, DFT results are incorrect while when the size of my data array is even...
View ArticleHow do I link Intel MKL and libdl with gold linker?
I'm having a problem linking Intel MKL and libdl using the gold linker on CentOS:When I run this script:#!/bin/bash MKL_INC=$MKL_INSTALL_DIR/include MKL_LIB=$MKL_INSTALL_DIR/lib ....
View ArticleHow does l_mklb work when running across a cluster?
Hi all,Currently attempting to run l_mklb across a 110x node cluster, but I seem to be missing the understanding of the best syntax to run with.Relevant items:20 Ps, 22 Qs, NB=192, 1237056 Ns...Inside...
View Articlemkl convolution problems
Hi all, when I used DNN-Operations of math kernel library on win7, visual studio2015, it worked well.convolution and maxpooling functions get same results, but faster.but, the convolution functions...
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Pardiso is much slower than Multi frontal Solver
HalloI use Pardiso for solving Matrix which comes from full coupled 3D Biot's equation. For small problem, Pardiso has no problem. However, when size of matrix increases, the problem appears.Currently,...
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FFT incorrect output [regression]
Hello everyone,I've noticed that the MKL is giving me a wrong result while calculating 3D real-to-complex in-place FFT with specific sizes. I've found a test program on this forums to confirm it's not...
View ArticleLining against correct version of libmkl_blacs_*.so
Dear folks,I am about to build an MPI executable with ifort/mpif90, linking it to the MKL and the OpenMPI libs. I came to the point where a serious problem wrt. to linking with the correct version of...
View ArticleSetting MKL to use with Intel ParallelAccelerator
I am programming in Julia and for Parallel computing i am using ParallelAccelerator.jl package. I was able to setup OpenBLAS with g++. Kindly help me out to set up Intel MKL with g++. I have installed...
View Articleundefined reference to `sgemm' Eigen3 + MKL
Hi,I have a project that runs fine in Windows with Eigen 3. When enabling MKL in Visual Studio with EIGEN_USE_MKL_ALL, I see speed-ups of about 5-15 percent.When trying to get this to run in Linux, it...
View ArticlePardiso sometimes slow reordering with weighted matching
I have two matrices with the same sparsity structure but different values that take significantly different amounts of time (7s vs 37s) during the reordering phase. The diagnostics report that all of...
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