matrix inverse FLOPS
Hi , What should be the required FLOPS for 16x16 MKL_Complex8 matrix inversion using cpotrf and than cpotri ?How many CPU clocks it should take on ATOM E3826 CPU and I5-3470 CPU ?Is there any...
View ArticleProblems while using PARDISO
Hi,I have a question about the PARDISO under Windows. I have written a fortran code which is to solve a very large sparse symmetric problem. And I used a subroutine to specify the parameters for...
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warnings and remarks from MKL, what is the reason?
Dear all,I am testing the MUMPS Fortran 90 interface for some simple block right hand side solution however I get a buch of warnings and remarks. These are all related to spblas, lapack, rci...
View ArticleHow to do batch FFT
Hi,i would like to know is there any way i can do batch FFT. CUFFT provides a way to do batch FFT. I want to know is there any function exists in MKL which serves my purpose. Thankssivaramakrishna.
View ArticleCannot find BLAS on a machine with MKL when installing scipy via pip
I installed Intel MKL and other libraries for a customized numpy. Here is my `~/.numpy-site.cfg`: [DEFAULT] library_dirs = /usr/lib:/usr/local/lib include_dirs = /usr/include:/usr/local/include [mkl]...
View ArticleInternal consistency check failure when using DSS
Hi there,I am working on a project to use DSS to solve large sparse linear equations. However I met with internal consistency check failure. I could see no problem with my codes. Could anyone help me...
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Inner boundary condition setting for solving the Poisson equation
Dears, I need your help with the inner boundary condition setting.For simplicity, we take a 2-D Poisson equation for example, which correspond to the “s_Poisson_2D_f.f90” in the MKL library.Case AIn...
View ArticleOut of memory error with Cpzgemr2d
Hello everybody, I am trying to distribute over a BLACS grid a square complex (double precision) matrix making use of the Cpzgemr2d function. This global matrix resides on a single "master" node and I...
View Articledss_solver gives non-stable solve
Hi there,I am using the mkl_dss.f77 to solve large sparse non-linear equations by iteratively calling the dss_solver. I just spotted that although I set the same initial values, I could not obtain a...
View ArticleIMPI dapl fabric error
Hi, I'm trying to run HPL benchmark on an Ivybridge Xeon processor with 2 Xeon Phi 7120P MIC cards. I'm using offload xhpl binary from Intel Linpack.It throws following error$ bash...
View ArticlePARDISO optimization?
Here goes,Relevant information (I hope):Using Pardiso to solve linear set of equations Ax = bmatrix A can be extremely large & sparse, nonsymmetric, and is also put into csr format using mkl...
View ArticleFFT not working for N=2048
Hello,I have a problem with mkl FFT. It stops working without a hint for N=2048.Here is my implementation: MKL_LONG status; int nThreads = omp_get_num_threads(); int th=0; DFTI_DESCRIPTOR_HANDLE handle...
View ArticleExplicit SVD vs SVD with eigen solver
Hi, could you clarify two following questions.Consider following mathematical problem. Given general full rank square non symmetric matrix A of 13 000 x 13 000 size I want to find its SVD with all...
View ArticleAccess to previous versions of Intel MKL
I want to use DLL and Libs of Intel MKL version 10.3.7.1 in my software program. If I purchase a license copy of latest version of Intel MKL for example 11.0, then do I get access to previous version...
View ArticleProblem using DSS
Hi!I'm taking my first steps at MKL and after installation and linking libraries (I have Ubuntu 12.04, 64-bit) I tried to modify the direct solver dss_sym_c.c so that I could solve my sparse symmetric...
View ArticleInternal consistency check failure when using DSS
Hi there,I am working on a project to use DSS to solve large sparse linear equations. However I met with internal consistency check failure. I could see no problem with my codes. Could anyone help me...
View ArticleClik here to view.
Inner boundary condition setting for solving the Poisson equation
Dears, I need your help with the inner boundary condition setting.For simplicity, we take a 2-D Poisson equation for example, which correspond to the “s_Poisson_2D_f.f90” in the MKL library.Case AIn...
View ArticleOut of memory error with Cpzgemr2d
Hello everybody, I am trying to distribute over a BLACS grid a square complex (double precision) matrix making use of the Cpzgemr2d function. This global matrix resides on a single "master" node and I...
View Articledss_solver gives non-stable solve
Hi there,I am using the mkl_dss.f77 to solve large sparse non-linear equations by iteratively calling the dss_solver. I just spotted that although I set the same initial values, I could not obtain a...
View ArticlePARDISO optimization?
Here goes,Relevant information (I hope):Using Pardiso to solve linear set of equations Ax = bmatrix A can be extremely large & sparse, nonsymmetric, and is also put into csr format using mkl...
View Article