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Weird multi-core scaling behaviour on Ivy Bridge-EP for MKL DGEMM
On IVB, it appears MKL DGEMM decides to run on only eight cores when it is told to run on nine. Behaviour on SNB, HSW, BDW is fine. I tried different IVB chips, but to no avail. When instructed to run...
View ArticleFast Helmholtz Solver : ipar documentation
Hello,I am calling the MKL shared libraries (2017.2.187) fom the julia language in order to solve a 2D cartesian helmholtz equation (a poisson equation to be more specific). And I think I found some...
View ArticleIntel® MKL 2018 Beta is now available
Intel® MKL 2018 Beta is now available as part of the Parallel Studio XE 2018 Beta.Check the Join the Intel® Parallel Studio XE 2018 Beta program post to learn how to join the Beta program, and the...
View Article3D Interpolation?
Hello,I'm interested in interpolating large 3D data sets (let's say, for example, 200 X 200 X 2000 =80,000,000 data points). That is, given a set of coordinates (x_i,y_j,z_k) defining a Cartesian mesh...
View ArticleWhen I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb
I run MPI with a single workstation( 2 x E5 2690).When I export I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb.But when I export I_MPI_FABRICS={shm,tcp}, everything is ok.Are there...
View ArticleVisual Studio 2015, Parallel Studio 2017 Update 2, link does not include the...
'I have just repaired my VS 2017 installation after some weird problem (maybe caused by PS 2017 Update 2 install)After that I had to completely uninstall and reinstall all my PS products because...
View ArticleWhy MPI impact the speed of MKL's DFT
My code:// -*- C++ -*- # include <cmath> # include <ctime> # include <cstring> # include <cstdio> # include "mkl.h" int main (int argc, char * argv[]) { MKL_LONG D[2] = {SIZE,...
View ArticleLinear System Solving For Tiny Matrix
We are looking for to solve Linear Systems of tiny complex matrix like 10x10 in a very fast way.We would like to use iterative methods because we have to solve a sequence with about 100 linear systems...
View Articleintel MKL library working fine in windows but cause "segmentation fault" in...
I have attached a sample code below:main:===== int main(int argc, char **argv) { Mat test = makeTestMat(3, 3);wlsFilter(test, test); return 0; }wlsFilter: ======= void wlsFilter(Mat& src,...
View Articlezgetrf error handling regression
Hello,We are in the process of trying to upgrade our MKL from 11.2.2.1 to 2017 update 2. We noticed a change in how a singular matrix is handled by zgetrf. In 11.2.2.1, zgetrf would return (via info) a...
View ArticleNO SUPPORT FOR RANDOM NUMBER GENERATOR routines ?
I am referring to the two routines:call random_number() and Call random_seed() Those are not included in any of the categories, and your A to Z index is not available.Are they supported elsewhere ?
View ArticleUsing of free version of MKL and then purchase it
Hi,Hope I chose the right place for my question. The question is about licence for MKL.We tried the free version of MKL 2017 u2 and enjoyed it. So we started the procedure of buying. It takes a time in...
View ArticleUndefined reference to many functions in the MKL library
I'm using eclipse for the MKL library of the Academic Research Performance Libraries from Intel (Linux*). I've added the library to the project properties path but I'm still facing the undefined...
View ArticleA problem with installation
Hi everybody!I tried to install l_mkl_2017.2.174 (Manual RPM) on Ubuntu 17.04 but I did not succeed. ~/Downloads/l_mkl_2017.2.174/rpm$ rpm -ivh --nodeps --ignorearch --force-debian *.rpm warning:...
View ArticlePARDISO
I have been using PARDISO for a while and it is really good. I have the solver linked up to an old Fortran program that generates a standard stiffness matrix for a beam. I was looking at the output for...
View ArticleBLACS examples are not working
hi, i want to use BLACS so i tested HELLO example code in here.http://www.netlib.org/blacs/BLACS/Examples.html#HELLO it seems to easy, but it was not working. i tried to check why, but it was...
View ArticleAdd libmkl_avx2.so to solve Intel MKL FATAL ERROR
I compiler numpy with MKL, everything is ok. But I come across a peculiar question. I have three case: case_1(perinfoMKL1): I add only `mkl_rt` lib in site.cfg file case_2(perinfoMKL2): I add...
View ArticleI can not find mklvars.bat
Hi again.I installed Intel MKL and I want to check my installation. I did not find mklvars.bat so I could not set Environment Variables.Please help me.Thanks again.
View ArticleVery large error in calculations
I am having a very large error in this code and I thought I could use your kindly attention.This function is made to calculate determinant of a matrix:real*8 function mklDet(A) real*8, intent(in),...
View ArticleMKL FFT 2D
Hello,I am trying to compute the solution to the Laplace differential equation using a 2D FFT and MKL. Are there sample codes to compute the solution to 2nd order differential equations using forward...
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