MKL 3D FFT of 1D function (fortran)
Dear all,I want to perform a 3D Fourier transformation (using fortran) of a complex function which is in a 10^9 array, where each element corresponds to a 3D vector k. So each element of the array is...
View ArticleProblem with ?gemm and AMD processor
My program is compiled with the latest revision of IVF 2015 Composer edition. It makes use of a number of mkl functions including CGEMM and ZGEMM. The code involving the mkl functions is unchanged and...
View ArticleMKL sparse BLAS
Hi all, Please, are threaded the following MKL sparse BLAS functions? 'mkl_cspblas_?coosymv', 'mkl_?coosymv' and 'mkl_sparse_?_mv1 (11.3 beta) I'm not able to run with more than one thread these...
View Article3D FFT in MKL with data larger than cache
Hi, I am working on a 3D numerical integrator for a non-linear PDE using the parallel FFT library included in MKL. My arrays consist of 2^30 data points which is much much larger than the cache. This...
View ArticleQuestion 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 ArticleMKL 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 Articlepdgemr2d: 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 ArticleNumpy 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 ArticleCan'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 ArticleKronecker 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 Articlecatastrophic 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 ArticleExample 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 Articlesegment 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 ArticleSimultaneous 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 Articledpotrf 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 ArticleComplex 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 Articlemkl_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 ArticleAdding 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 ArticlePazzled 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 Articlemkl 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...
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