Test with Intel Optimized LINPACK Benchmark
HelloI did a test a performance my embedded board, which has a Xeon D 1.7GHz(8-cores, 12M cache) and DDR 32GB.A test tool was Intel Optimized LINPACK Benchmark in MKL 2018. When running runme_xeon64,...
View ArticlePerformance test of Xeon D with Optimized LINPACK
Hi,I evaluated my embedded board, which has Xeon D 1.7GHz(8-cores, 12MB cache and 32GB DDR).I expected about 400 GFLOPS but the result was about 145 GFLOPS. I would like to know the result is...
View ArticlePerformance test with Optimized LINPACK Benchmark
Hi,I evaluated my embedded board, which has Xeon D 1.7GHz(8-cores, 12MB cache and 32GB DDR). The tool is Intel Optimized LINPACK Benchmark in MKL 2018.I expected about 400 GFLOPS but the result was...
View ArticlePSSYGVX - LWORK parameter number 28 had an illegal value
Dear Intel Forum, I am trying to use PSSYGVX, however if a use a matrix larger than 5000 everytime the function returns: PSSYGVX parameter number 28 had an illegal value The info parameter is...
View Articlemkl_free_buffers() and multiple threads
Hello!I have a question on behaviour of mkl_free_buffers() in multithreading setting. Is it OK if you have one thread which performs some activity with Intel MKL, and some other thread calls...
View Articlehow to confirm the direct path is actually taken
I have built an application that uses dgemm, ddot and daxpy via the PETSc library which was itself configured to use MKL (see below). I also used the MKL_VERBOSE option to confirm that the DGEMM calls...
View Articledirect path for *gemv?
I have an application that spent a lot of time calling dgemv using rather small matices and vectors. When will the direct path option be available for *gemv routines?
View Articledjacobix aborts after some iterations
Hello,i want to calculate the Jacobian of a complicated function. I sucessfully implemented djacobi for a simple test case using the reference page...
View ArticleClik here to view.
ifort: error #10236: File not found: '/libmkl_intel_thread.a'
Hi all,I am trying to compile codes that were successfully compiled in another Linux system, but I am getting the following messages in the new system:ifort: error #10236: File not found:...
View ArticleClik here to view.
Error about mkl_avx2.dll unhandled exception
Hi,I am trying to use MKL's LAPACK subroutine named "DGELS" but I got an error about mkl_avx2.dll. I added screenshot of code and error window.After breake the debugging at that point I got another...
View ArticlePardiso in C++ - Simple example
Hello,I'm quite new to Pardiso. Does anybody have a very simple code to solve a linear system of equations using the pardiso solver. I'm currently using Eigen library which is convenient at the moment....
View ArticleMatrix sparsity pattern, PARDISO
Hello everyone!I use matlab spy function to plot the sparsity pattern of matrix. I can't quite get what is the correct formula that represents nonsymmetric matrix after phase 11 of PARDISO? I got perm...
View ArticleClik here to view.
SSI
Is there a MKL routine to do either equation 2 or directly do equation 3. Thanks John
View Articlepardiso with parallel MKL and TBB on large systems
Hi,I'm solving a large sparse system with pardiso. I'm using the Parallel MKL library with TBB enabled on Windows 64bit system. My A matrix is 57k x 57k and my right hand side B matrix is 57k x...
View ArticleDifference between downloads: tgz or YUM repo
Is there any difference between using the downloads (e.g., from here) and using the YUM repo?If there are differences, what are they?
View ArticleMKL/VML - Is this table accuracy or performance?
Hi -- Can you please clarify the content in the tables at https://software.intel.com/sites/products/documentation/doclib/mkl/vm/fu... . The headings seem to give conflicting information. The same...
View ArticleRandom parallelism with MKL Pardiso OpenMP
When linking the latest version of MKL with my c++ program with OpenMP and running the program multiple times, it sometimes parallelizes and sometimes it doesn't. I was wondering if someone has noticed...
View ArticlePerformance issue with using MKL within TBB
Hi everyone,I am testing the performance of some code that calls MKL cblas cgemm() from within a parallel TBB section. I am using the MKL 2017 update 1, linking with the MKL_intel_thread.dll on a...
View ArticleRe-distribution rights of custom dynamic dll and header file
In our application, we use PARDISO solver and DGEMM call from Intel MKL. In some cases, our application needs to be linked at our customer end, which requires MKL libraries to be installed on their...
View Article