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MKL FFT: fftw_mpi_plan_many_transpose

Hello,I have been trying to use the MKL FFT through the FFTW3 interface and now am stuck with plan creation. The following line of code produces a NULL value, which is subsequently caught and kills the...

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Problems about how to use multithreaded intel MKL

Hello, I have some problems about multithreaded intel MKL1.    I use the function MKL_SET_NUM_THREADS(2) to change the thread number. Then I want to check the value of MKL_NUM_THREADS, by using...

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Basic linking problem with MKL library

Hi everybody,Long ago I used to use mkl library 9.1.027, and used it with great joy to run some programs that included a lot of operations on matrices. And it was easy to include in the program, just...

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Access violation in dss_solve_real

Hello,We are calling MKL from C# code by using general mechanism described in article Using Intel® MKL in your C# program. The code is using DSS (Direct Sparse Solver) for a large system of equations...

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Fortran95 Interface causes segfault

I am trying to use the zheevd or zheev with their Fortran95 interface:program main use lapack95 implicit none complex(8) :: H(2,2), w(2) H = 1d0 call zheevd(H,w, 'V') write (*,*) H write (*,*) "######"...

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How to delete mkl out-of-core temporary files

Hi,I'm using pardiso_64 in MKL 11.3.3.1.When run in out-of-core mode, temporary files are generated. I have set the environment variable MKL_PARDISO_OOC_KEEP_FILE = 1 according to...

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problem when using cluster solver with distributed CSR format of input data

The following error encountered when using cluster solver:ERROR during symbolic factorization: -2The example (cl_solver_sym_distr_f.f) provided with Cluster compiler works well. But the matrix I...

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Runtime error when building with mkl dylib

When I built my program with MKL statically (.a files), everything was fine. But, when I built the code with those .dylib files and ran it, I got following errors:dyld: Symbol not found:...

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config_number_of_transforms.c example typo

There is a typo in the config_number_of_transforms.c example (https://software.intel.com/en-us/mkl-developer-reference-c-config_number_of_transforms). "DFTI_INPUT_DISTANCE" on line 107 (inside the...

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Trust Region Size Parameter Choise

Along this period, we have developed a calculation method that uses the Trust Region MKL API (with constraints). We have build a procedure that works with this TR algorithm. The procedure is called 4...

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KMP_AFFINITY

Hi,Does anyone know I can internally change KMP_AFFINITY in the sub-process invoked from my program?  My experiment shows it does not work with intel compiler but however it is under gcc compiler.here...

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MKL library

SirI have to install a code. it requiyes linking of lapack n blas file. the code was written in 2009 using mkl 8 version. according to it for linking paths areLROOT = /opt/intel/mkl/lib/intel64/ LAPACK...

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is the implemented Trust Region method deterministic?

In this case results cannot change if initial condition and constraints are the same ... this is what happen in our implementation. Thank youGianluca

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Direct Sparse Solver for Clusters Crash when using MPI Nested Dissection...

I have a code that calls the the Direct Sparse Solver for Clusters Interface.I have an error when I run it using the option for the MPI based nested dissection. Documentation can be found here:...

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Small matrix speed optimization

Hello all,since I can run now the mkl library 2017, I have a couple of follow up questions that hopefully deserve a thread of their own. I am doing some mode matching, and consequently I need matrix...

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Benchmarking MKL GEMV

Hello,I am trying to compare my own implementation of GEMV with the MKL. For benchmarking I use the following code:size_t M = 64; // rows size_t N = 2; // columns // allocate memory float *matrix =...

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TR solver question

When the solver returns RCI_Request = 2 to calculate the Jacobian, can I assume that x has not changed since the previous calculation of the function value?It would be a great performance boost if I...

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Struggling to get Automatic Off load working with MIC/MKL 2017

I have a MIC card in a Microway XEON Workstation which seems to be functioning as expected (see micinfo debug output) After updating to MKL 2017 Update 3, I am struggling to set AO to function. I...

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how to deal with real and structurally symmetric matrix's parameters in PARDISO

HiI want to use  PARDISO to solve a problem, in which the matrix is real and structurally symmetric. I read the PARDISO Version 5.0.0  Reference Sheet — Fortran, and Parallel Sparse Direct Solver...

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Intel MKL DftiComputeForward how to get full transform matrix from CCE format...

I'm trying to implement a 2 dimensional fourier transform via use of MKL FFT functions.I'm interested in transforming from the space domain (i.e., my input signal is a 2D MxN matrix of `double`s) to...

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