Quantcast
Channel: Intel® oneAPI Math Kernel Library & Intel® Math Kernel Library
Browsing all 2652 articles
Browse latest View live

Question cycle count of 2048 MKL FFT DftiComputeForward code

Hello There,Recently I am using MKL FFT code to get the cycle count of DftiComputeForward. Form mkl documents, DFTI_NUMBER_OF_USER_THREADS is no longer used in latest MKL version. But I made a...

View Article


MKL 10.3 (64bit) & VS 2013

Hello !I have a problem with update my project from VS 2010 to VS 2015 widh mkl_rt.dllI using a few function from mkl_rt.dll file version 10.3.4.1VS 2010 - all OkVS 2013 - compiling and linking - are...

View Article


pdgemr2d: copy between grids

Hello,I'd like to accomplish the following on a cluster-computer with nproc processors:1. define two blacs grids, the first of the form p x q = nprocs, the second of the form 1 x 1, which is also just...

View Article

Numpy linked against MKL not utilizing all cores

Hey Guys,I'm using MKL to speed up numpy and doing some benchmark of matrix multiplication. Mostly I followed the instruction in https://software.intel.com/en-us/articles/numpyscipy-with-intel-mkl. It...

View Article

Can't open mkl_intel_s_dll.lib in 64bit Visual Studio environment

I tried to compile in Visual studio 2013 for some program using mkl.It works fine in 32bit environment. But in 64 bit they say    error LNK1181 :Can not open 'mkl_intel_s.lib'   error #11018: Cannot...

View Article


Kronecker product

Hello.I am new to Intel MKL and I am sorry if my question seems out of line.Is there any function or subroutine in MKL that computes the kronecker product of two matrix (like kron in matlab).Also is...

View Article

catastrophic error: cannot open source file "iostream"

I am compiling a correct example (taken from here), but I am getting:gsamaras@pythagoras:~/intel/code$ ../bin/icc -mkl nine_by_nine.c -o nnine_by_nine.c(2): catastrophic error: cannot open source file...

View Article

Example does not run

I am trying to run ScaLAPACK, through MKL. Since I have the student version, I had to install MPICH2, since what I want to do is to apply an inverse of a matrix, that can be done with Cholesky in a...

View Article


segment fault error for fortran code

hello, everyone,  Newbie of the fortran code.   I was trying to use ilu0+gmres to solve Ax =b with A the csr format. But got the segment fault error when calling the subroutine. It seems that the...

View Article


Simultaneous diagonalization of commuting matrices

Dear Intel MKL colleagues,May I ask please to someone let me know, if there is any built-in function or easy to follow process for simultaneous diagonalization of multiple (or even two) commuting...

View Article

dpotrf arguments

With the help of this great forum and old post, I was able to finally execute my first example on Cholesky factorization. However, I have a question. I call the function like this:...

View Article

Complex to real IFFT using MKL

Hi ,I need to perform an IDFT of some complex data to real in FORTRAN. I have read online a lot of how to do that with MKL but it confused me more. So I need to ask some questions on the configurations...

View Article

mkl_ddiamv example

I have some problems with using mkl_ddiamv (language C). Can anybody show me a code example of using mkl_ddiamv with initialization of all the input formal parametres? It is desirable to use the number...

View Article


Adding MKL to Path

I just installed Parallel Studio and need to make use of the C compiler, Fortran compiler, and math kernel library. After installing, I add source /opt/intel/bin/compilervars.sh intel64 and source...

View Article

Pazzled with pdpotrf arguments

Recently I did a Cholesky decomposition with dpotrf(). My goal is to do that in a distributed environment, so I need to use pdpotrf(). However, I can not understand what values should ia, ja and desca....

View Article


mkl poisson solver with periodic and dirichlet boundary condition

Hello Sir, I am trying to solve electrostatic Poisson's equation using Poisson MKL library 'd_Poisson_2D_c.c' but my boundary conditions are periodic (X direction) and fixed in Y direction. How shall i...

View Article

Image may be NSFW.
Clik here to view.

Segmentation fault with complex ScaLAPACK

Hello,I'm trying to understand why the following simple program is segfaulting. When I'm using double instead of std::complex<double>, everything runs...

View Article


mkl_ddiamv multi-thread support

Does mkl_ddiamv support multi-thread calculation? In my project's properties I set "Use Intel MKL" to "Parallel". The majority of time of my programm is matrix-vector multiplication, which is performed...

View Article

Unexpected NaN with clbas_dgemm

I am calculating a correlation matrix and am getting a weird issue. I have a 15x6 matrix R getting read into a subroutine correlation.c which calculates a 6x6 correlation matrix cor based off of the...

View Article

Image may be NSFW.
Clik here to view.

Intel MKL ERROR: Parameter 2 was incorrect on entry to MKL_DCSRGEMV.

Not sure why I got such error message for the code below.  Any suggestions ? Thanks AttachmentSizeDownloadmain.c1.42 KBDownloadLinearSolver.c15.21 KBDownloadia.txt155.34 KBDownloadja_A.txt975.94 KB

View Article
Browsing all 2652 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>