Poor (non-threaded) performance of /Qmkl:cluster compared to /Qmkl:parallel
The code below behaves differently when built with the /Qmkl:parallel and /Qmkl:cluster. In both cases the code is built for Win 7 64-bit, using the latest Intel compiler and libraries. It is launched...
View Articleconst errors in mkl_lapack.h header
1) In all variants of zlacrm, zlarcm, clacrm, clarcm, the output C should not be const:void zlacrm_( const MKL_INT* m, const MKL_INT* n, const MKL_Complex16* a, const MKL_INT* lda, const...
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?syrdb arguments issue
There seems to be an inconsistency in the documentation of ?syrdb(https://software.intel.com/en-us/node/469030)I've attached my program which you are free to change and is written in Fortran 90. It...
View ArticleProblem with mkl_ddnscsr
HelloI’ve been having some problems using the “mkl_ddnscsr” function. I’ve followed the example that comes with the library but it’s not working properly. I can retrieve the non-zero elements in the...
View Articlesolve system when matrix is banded, symmetric, positive definite matrix.
Hello.Let Q be a banded, symmetric, positive definite matrix. (The number of rows of Q is 2e+5) . I want to do the following:Compute the Cholesky factorization, Q=LU, where U=L^{T}Solve Lw = bSolve...
View Articlesytrd is not recognized by lapack90
Hi, I am trying to use LAPACK's "sytrd" subroutine in my code, but it is not recognized. I am trying the following simple code:program comp USE mkl95_lapack USE mkl95_PRECISION USE mkl95_BLAS implicit...
View ArticleNewmark Method
is there a routine in MKL to use Newmark's method on Newtons' second equation - undamped matrices from the static structures problem?ie. Can I extend the structures program into the time domain?
View ArticleMKL Format Prototype Package
Hi everybody,How can I get or ask for MKL FPP evaluation copy ? i just need an email or linkThanks,
View ArticleMKL Sparse BLAS segfaults due to integer overflow
HelloI am a very recent user of Intel MKL. I was trying to use Sparse BLAS library (Inspector/Executor routines), when I ran into an obscure segfault. The segfault appeared in CSR matrix transpose...
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Problem with MKL pardiso update 3
I have the following installed on my computer: Intel Parallel Studio XE 2016 Update 2 Intel Parallel Studio XE 2016 Update 3I think I have come across a serious bug in the latest MKL Pardiso 11.3...
View ArticleGaussian Random Routines
Some of the routines called in this sample are not in the documentation that I can find, CHECKVSLERROR as an example. Any ideas where I find details. John...
View ArticleAny known issues with dcopy ( MKL 11.2.4) in multithread environment?
My software seems to be 'randomly' deadlocking inside dcopy. I have lots of threads running. Is this a known issue? Running Intel Inspector XE always shows a litany of data race issues inside MKL but I...
View ArticleECCN for MKL and TBB
Hi,Could you please tell me what is the ECCN for MKL 10.3.12 and TBB 4.3 update 6 ?Thank you for your help.
View Articlesolving eigenvalue problem
I am trying to solve the following eigenvalue problem using lapack95:view sourceprint program comp USE mkl95_lapack USE mkl95_PRECISION USE mkl95_BLAS implicit none real, dimension(2,2) :: A real,...
View ArticleMKL with TBB on OSX
Dear all,I am new to the forum, and of course, to MKL (though I've used TBB before). I am using the MKL Link Helper to compile and link the first C example dgemm_threading_effect_example.c, but I...
View ArticleHelp with vdrnggaussian: floating divide by zero
Hi all,I have been using the vdrnggaussian routine to generate normally distributed random numbers. Once in a while however, I get the following error: forrtl: error (73): floating divide by zeroI have...
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FFT and MKL Problems
The program does not return from the call from the main program to the subroutine FFT().MKLVARS.BAT does not seem to set the path or environment variables.This is the latest preview and VS...
View ArticlePerformance bug in GEMM?
Hi all, I just noticed a potential performance bug in the DGEMM implementation of MKL (16.0.1) when using a single thread. I merely want to make someone at Intel aware of it, in case it is of interest....
View Articlemkl and ipp merge modules
I was tasked with creating an installer for an application that was built using the mkl libraries. It seems to depend on "compiler, "mkl", and "ipp". I see that the compiler part of it has a merge...
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