Using community license of Intel MKL for multiple users
The community license is is a "Named-User" license.My understanding is that multiple copies of the library has to be installed for each end user. However, this proves to be a little technical...
View ArticleWhy is the parallel version of zheevd slower than the sequential one?
I wrote a piece of code to test the speed of the zheevd function(below). Then I use the Intel link advisor to compile it. These are the times I measured:sequential: 20.15sTBB: 30.64sOpenMP: 30.5sWhy is...
View ArticleWhy does MKL accelerate the matrix operation and FFT
Can anyone tell me？Or tell me where to find the answer？Thread Topic: Question
View ArticleQuad precision for MKL functions
Is it possible to use quad precision for MKL functions and maintain the accuracy?Zone: Modern CodeThread Topic: Question
View ArticleThreaded band-triangular solvers in MKL
We have an application where we repeatedly need to solve systems of equations where the coefficient matrix is on triangular band form, and is symmetric positive definite. Thus we factorize once with...
View ArticleNot enough disk space error when installing on Yocto embedded Linux OS.
When running the install.sh script get the following error:Error: not enough disk space in "/tmp" temporary directory. 100 MB is required for startup.A df -h shows shows:Filesystem Size Used...
View ArticleCan I get the numeric factorization result from Pardiso?
Hi,Is there a way I can get the factorization result from Pardiso?ThanksLengfei
View ArticleParameter order is wrong for dnnLayoutDeserialize
In this page: https://software.intel.com/en-us/mkl-developer-reference-c-2018-beta-dnnlayoutdeserializeIt is defined as: dnnError_t dnnLayoutDeserialize_F32(const void *buf, dnnLayout_t *pLayout);but...
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Bad Conditioned Linear System
The problem is to calculate the array of functions f(x) defined as:see Figure1and thensee Figure2Some coefficients of the matrix “A” are in the form:see Figure3For this reason, for large values “x” the...
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Data initialize task on scalapack with C file
Hello,i want to use some scalapacks' functions. but i confuse to set initial data form in scalapack, so i asked it here.i have understood the data layout like figure below, and made code, too....
View ArticleMKL crashing when creating too many OpenMP threads
Hi, I have 64 threads running on a Intel Xeon Phi 7230. Each thread can run the following MKL rountine: @constraint (ComputingUnits="${ComputingUnits}") @task(returns=list) def createBlock(BSIZE,...
View ArticleOpenMP with MKL - Get Thread Num
When using OpenMP I can get the thread num by using:omp_get_thread_num()However when using it with MKL the, the command doesn't work. Is there ano MKL command which replaces this?Thank...
View ArticleCompute schur complement with Pardiso in out-of-core mode
Hi,I'm using pardiso_64 with intel mkl 11.3.3.1.I am computing the Schur complement of SPD matrices (mtype = 2). In in-core mode everything is OK. In out-of-core mode (iparm(60)=2), I get no error...
View ArticleFGMRES preconditioner applied to?
I am using the MKL's preconditioned FGMRES solver and I am trying to understand what exactly is the vector that FGMRES is asking to apply the preconditioner to. From the reference for the solver,...
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INTEL MKL ERROR : PARAMETER 5 WAS INCORRECT ON ENTRY TO MKL_DDIASM
Hello to all of my new firends.I am writing a code for "Turbulent Negarively Bouyant Jet" in these days for my thesis in BSc.I would like to use MKL_DDIASM for part of my code but when I RUN the code...
View Articlegemv for sparse, rectangular matrices?
Is there a recommended routine in the MKL that can do a GEMV with the transpose of a rectangular sparse matrix? I know I can pad it to square but I'd prefer not to have to do that. These sparse...
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Mkl produce "segmentation fault" in ubuntu
Hi,code:#include "iostream" #include "stdio.h" #include <vector>#include "mkl_service.h" #include "mkl_pardiso.h" #include "mkl_types.h" #include "mkl_dss.h" #include "mkl_types.h"...
View ArticleIntel MKL FFT for forward and backward Fourier transform of 2D data
Hello,I am trying to do forward and backward Fourier transform using the FFT routines available in Intel MKL. I have taken help of manual and also website examples to do this but i am getting a...
View ArticlePardiso of-of-core memory estimates
Hi,When I run Pardiso (phase=11) in In-core mode (iparm(60)=0), I can get the In-core memory requirement from max(iparm(15), iparm(16) + iparm(17)). Can I, after running in in-core mode, use the value...
View Article./install.sh: line 639:...
Installation of MKL 2017.2-174, invoked with```$ ./install.sh --silent```fails with```./install.sh: line 639: /tmp/nix-build-intel-mkl-2017.2-174.drv-0/l_mkl_2017.2.174/./pset/32e/install: No such file...
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