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MKL's (distributed) FFT library fails with a floating-point error
When repeatedly calling MKL's distributed (cluster) DFT library via the FFTW3 interface library, it will fail with a floating-point error with certain combination's of grid sizes and MPI processes...
View ArticleWhat is the calling convetion for i_malloc and friends on 32bit Windows
Hello,I am trying to redefine memory allocation functions for MKL by using function pointer i_malloc and friends as described in https://software.intel.com/en-us/node/528395. On 32bit Windows however I...
View ArticleCalls to dcscmv lock
Calling dcsmv is causing my program to lock -- periodically when I invoke dcsmv, the call never returns and the process appears with a Sl+ status when I run ps. When I launch the program in a debugger...
View Articlehow do I know MKL FFT being called used AVX-512
Hi I am trying to look at MKL FFT performance by calling 5 lib functions as below, I configured the optimization and enabled AVX-512 etc in the project properties setting(vs2013 integrated with...
View ArticleIs it save to call ?feast_syev/?feast_heev from multiple threads?
Hi,I'm developing an application that needs to compute various eigenvalue decompositions. Is it possible to call zfeast_heev from multiple threads in parallel? Ofcourse, each thread has it's own...
View ArticleParallel Direct Sparse Solver for Clusters in Windows OS
Is the Parallel Direct Sparse Solver for Clusters supported on Windows OS?
View Articleoptimizing dgemm on NUMA systems
HelloI have been trying to optimize matrix multiplication on NUMA systems but so far without much luck.I have played around with the dgemm routine and first touch.A snippet of my code looks like this:...
View ArticleNumerical integration package in MKL
Hi, I have "old" codes that call Fortran numerical_libraries routine GQRUL and DGQRUL for calculating Gauss-Legendre quadrature rule to perform numerical integration. I used to be able to just put a...
View ArticleDSS symmetric solve
We have been using the following code compiled with Intell Fortran on Linux clusters linked with MKL 10.2.2.025 for a number of years. We are trying to update to Intel 15 compilers and MKL 11.2 update...
View Articlemkl_pardiso time consumption during solution phase
Hello, I am working with a sparse matrix A and trying to solve <Ax =b>. b is an array of 1 million and it is in double precision. The matrix is sufficiently sparse (number of non-zeros in A (%):...
View ArticleOsX 10.10 breaking error through CMAKE
Dear all, I am trying to compile Fenics in OsX using intel compilers. The new edition to my saga is that CMAKE creates test binaries when testing MKL that can not be killed, and leads to a slow...
View ArticleQuestion about mkl_?omatadd
Hi,The description of mkl_?omatadd function in the manual is a bit confusing:- parameter m is described as "The number of matrix rows". Which one ? (A, B or C ?) What if I want to transpose A or B ?-...
View ArticleThe right matrix for the adjacency matrix of a power-law graph
Hello,What is the best matrix format for the adjacency matrix of a power-law graph when we perform sparse matrix vector multiplication? I would like to use a format that has both memory efficiency and...
View ArticleDo we have a Integral function over an infinite or semi-infinite interval in...
Do we have a Integral function over an infinite or semi-infinite interval in MKL? the same think like DQDAGI in IMSL?Thanks!
View ArticleIvy Bridge (E5-2660 v2) processor and mkl_avx.dll
Dear Forum,I have an Windows 7 application that uses Intel MKL libraries. I run it on the following two systems:1). Sandy Bridge (E5-2660 0), and 2). Ivy Bridge (E5-2660 v2)I noticed, using Process...
View Articlegetrf & getrs caused a 'corrupted double-linked list' error
Hi, We are using MKL calls dgetrf & dgetrs from MKL 11.2 Update 2 to solve linear systems of small size (typically 4 X 4 or 9 X 9 or 16 X 16). Here is how the program works - we need to perform...
View ArticleData fit dfdInterpolateEx1D function warning code
Hello everybody, I am having some problems with the dfdInterpolateEx1D function of the MKL Data Fit module. I am calling the above function, togheter with all the relative initialization/setting/clean...
View ArticleIntel - Distribution - Program Fails
I'm trying to distribute some mkl files around for client use. Here's a quick synopsis of the problem.1 - I have a Intel License Server running on a remote machine.2 - I have some math libraries which...
View Articlesparse 3D convolution
Hi MKL developers,I am trying to implement a sparse convolution function based on MKL convolution. According to the sparseness, I departed the big convolution to a serials of subconvolution tasks. But...
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