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Inconsistency finding Eigenvalues for sparse matrices with MKL
Hi,I am trying to calculate the smallest real eigenvalues of a general problem A*V = B*V*D with sparse matrices using MKL and I have been having four problems when comparing to MATLAB:1. I am always...
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Memory leak in 'dsygv' of latest MKL
Dear all,I build my 64 bit program under Windows 10 64 bit + VS2017 + Intel Parallel Studio 2019 update 4, I found the program has the memory leak problem. I checked by Intel Inspector and found that...
View ArticleConfused About MKL Linking Warnings/Errors w/Visual Studio 2015
Hi, I'm updating my static library from a very old version of MKL (circa ~2010) to MKL version 2019 Update 3. I'm using Visual Studio 2015. The only changes I made to my existing codebase was to...
View ArticleMissing SONAME for libmkl_rt.so / 2019.0.4
Hey there,the current version (2019.0.4) of libmkl_rt.so has no SONAME set. This leads to various minor linking issues, as ld/cmake then places the absolute path in the DT_NEEDED ELF field, instead of...
View Articlescalapack psgemm fails
Hi. I want to use psgemm to multiply a matrix A by its transpose on its left-hand-side, namely: C = At * AI am trying to run a simple program with 9 processors placed in a 3x3 grid. Each processor...
View ArticleIntel MKL support OS & CPU Generation
I have some question about Intel® MKL 2019.I confirmed following Web site. https://software.intel.com/en-us/articles/intel-math-kernel-library-intel-mkl-2019-system-requirements1: Does Intel® MKL 2019...
View ArticleThe command "..." exited with code 1
I recently downloaded the mkl and tried to test it using a simple code. When I build it however, I get a message saying: the command … exited with code 1. Anyone know how to fix it?
View ArticleBug in mkl_sparse_spmm (?)
Hello,I am finding very strange results from mkl_sparse_spmm()My code looks like below.The strange thing is:1. if I pass the routine a "small" pair of sparse matrices (A[m x k] dot B[k x n], m =...
View Articlemkl_sparse_d_spmmd does not support CSC matrices?
HelloSo I created a handle for matrix A (MwqTHandle) in CSR form and a handle for matrix B in CSC form. I tried to multiply these two together using mkl_sparse_d_spmmd. Status was reported as success,...
View ArticleMKL on Celeron processor?
・Does MKL support Intel Celeron processors?・How does MKL behave on Celeron? for example 3000 series (Celeron G3900)I found about supported hardware about mkl,but celeron was not listed......
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Error in PARDISO 6.0
Hi!I am a new user of PARDISO 6.0 . Recently I am trying to compile " pardiso_sym.f " which is downloaded from www.pardiso-project.org. I got some errors. [PARDISO]: License check was successful...
View ArticleDoes not dealllocate memory
Hello everyone, I have an application where I have to create some worker threads. These threads call a function inside a dll, where mkl is used.I have read some articles about memory leaks, and they...
View ArticleMKL BLAS causes Intel i9 9900K to crash/reboot(?)
Running under Linux Ubuntu 18.04 with standard/default BLAS library I observe normal behavior. If I install a parallelized BLAS library such as MKL or openblas, any simple matrix operation causes the...
View Articlecblas_daxpy gives wrong results with multuple threads
Hello,I have installed the most recent version of MKL and tried to use in my application built using VS 2015 C++. Certain parts of my code use OMP. However, I never call MKL routines from within an OMP...
View Articleweighted sum of two matrices
How do I do this using Intel MKL?res(:,:,:,i+j+k) = var(:,:,:,1)*op(1)+var(:,:,:,2)*op(2)In this example, 'res' is a matrix with 4 dimensions, of which the last one is only two.'op' is a vector two...
View ArticleSGEMV and SGEMM performance degradation on Xeon E5-2609
Hi,We have noticed a performance problem on a particular CPU (Xeon(R) CPU E5-2609 0 @ 2.40GHz) that we have narrowed down to a change in either SGEMV or SGEMM (or both) that occurred somewhere between...
View ArticleError making custom blacs library on MacOS with openmpi
I was trying to make the custom blacs library (after successfully doing this last year) and just received this error:sudo make libintel64 interface=lp64 Password:...
View ArticlePardiso matrix size change over the simulation
Dear all, I have just started learning PARDISO and I face a question:How can we use PARDISO when our coefficient matrix size changes over the simulation?I know that we can simply solve this issue by...
View ArticleVersions older than 2017 available?
Hello,I would like to use mkl 2016.1.111. On https://registrationcenter.intel.com/en/products I can find older versions, but the latest is from August 2017. Is it possible to get the mkl 2016.1.111...
View ArticleAny routines for sparse symmetric matrix-matrix production?
Hi,I notice that MKL has special support for symmetric dense matrix production. Also MKL inspector-executor sparse BLAS routine supports sparse matrix-matrix production. My task is to conduct matrix...
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