combining direct pardiso and Fgmres?
i am currently writting a nonlinear finite element code. so i have to solve a nonlinear system.for each iteration my matrixes changes, i use direct solution for each iteration.my matrix sparsity maybe...
View ArticleHow to set affinity while using MKl in sequential mode
I have written a multi-threaded code using pthread. Each thread calls an instance of dss_solve_real separately. I compile the code using following libraries to make sure that MKL works in sequential...
View ArticleThreaded iterative sparse solver
Intel MKL 11 library offers optimized set of threaded functions, but for case of iterative sparse solver (ISS), the preconditioned conjugate gradient method does not seem to be straightforward to be...
View ArticleGrouped Means only (no covariance matrix) in SS in Intel MKL?
Hello,I've successfully used SS capabilities of Intel MKL to compute the grouped/pooled covariance/correlation matrices. Now I face the the situation when only grouped means are required. There is an...
View ArticleWhere are all the .dll files located?
I just bought the Intel Composer XE 2013 which contains MKL libraries, I just installed it into a Windows server 2008 machine.I´m writting a program that loads dynamically(LoadLibrary()) MKL libraries,...
View ArticleMKL with legacy app (Visual Studio 6)
HiI have a legacy app written in C++ with Visual Studio 6. It uses an older version of the MKL library.The app is currently getting memory allocation errors from the MKL code when using FFT and IFFT...
View Articlepardiso
hi,all I want to use the pardiso to solve a complex and symmetrical matrix .But it display error:The type of the actual argument differs from the type of the dummy argument.But when the matrix is real...
View ArticleMKL DFT descriptor generation question
Hi there,I have a question about the DFTI descriptor.So the problem is 1Kx1K complex number, row major. for each row of 1K element, I would like to compute size-16 FFT with stride 64. That is - I do...
View ArticleDifference between libmkl_mc.so and libmkl_mc3.so
What is the actual difference between libmkl_mc.so and libmkl_mc3.so. Moreover, How to do you which SSE version is linked to libmkl_mc3.soWhen I force the code to use SSE4.1, by this command....
View ArticleDGEMM with pgithread is giving segmentation fault
Hello, My code uses multithreaded MKL dgemm. I use following to link the code -L$(MKL_LIBDIR) -lmkl_intel_lp64 -lmkl_pgi_thread -lmkl_core -L/usr/common/usg/intel/lib/intel64 -lpthread -lm...
View ArticleDGEMM with pgithread is giving segmentation fault
Hello, My code uses multithreaded MKL dgemm. I use following to link the code -L$(MKL_LIBDIR) -lmkl_intel_lp64 -lmkl_pgi_thread -lmkl_core -L/usr/common/usg/intel/lib/intel64 -lpthread -lm...
View ArticleLarge overhead and spin time reported in MKL functions
Hello,Using Vtune Amplifier concurrency analysis on an example code of dgemm (link here), the overhead and spin time surprisingly covered almost 100% of the CPU usage bar! (reported here). I tried...
View ArticleNew Intel Premier Support
The New Intel(R) Premier Support (IPS) is coming August 19thWe are excited to announce the launch of a new version of Intel® Premier Support that replaces the existing Intel Premier Support web site...
View ArticleProblem with MKL Scalapack PDGETRF
Hi all,I am trying to use MKL PBLAS/ScaLAPACK routine pdgetrf to do the LU decompostion. I wrote a simple test fortran program and it worked well with 2*2 processes on the cluster. However, when I...
View ArticleProblems running Linpack Benchmark 11.0.5.009
I am new to running the Linpack Benchmark in Windows 7 and have a few questions. I am running (2) Intel E5-2680 CPU in a Gigabyte GA-7PESH2 server. The test was originally run about 10 months ago...
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Faulting module name: mkl_core.dll, version: 11.0.4.1
Faulting module name: mkl_core.dll, version: 11.0.4.1, time stamp: 0x5195ead6Exception code: 0xc0000005Fault offset: 0x00829aa0I'm hoping this is a known issue that has been fixed in a later updated....
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Result error in Pardiso
Hi All,I have many linear equations derived from flow problem at different time steps. These equations have the same structure (same non-zero entries) but different stiffness matrices and...
View Articleproblem in compiling the mkl_lapack_examples/zgesvd_ex.c.htm
Dear AllI want to run this example : http://software.intel.com/sites/products/documentation/doclib/mkl_sa/11/mkl_lapack_examples/zgesvd_ex.c.htmto do this i installed "composer_xe_2013.3.163" and...
View Articlemkl vs ipp for eigenvalues
HelloI have a signal processing task which the heaviest operation is finding the eigenvalues and eigenvectors of a 128x128 Hermitian matrix. I found routines both in ipp and in mkl. Which one will be...
View Articleproblems with MKL_DSS_DIAGONAL_SOLVE
Hello. I am using the following example (heavily inspired by mkl/examples/solverc/source/dss_sym_c.c) to try and solve a system on a very simple diagonal matrix. The code below works correctly, and the...
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