Optimizing matrix multiplication algorithm on Intel Xeon Gold (DevCloud)
Hi, I am working on Case #03357624 - Benchmarking algorithms on Intel Xeon Gold (DevCloud):https://communities.intel.com/thread/124090 Summary:The concern is on time overhead while running compiled...
View ArticleLINPACK with multiple MPI ranks
Hello,to benchmark our new Skylake cluster consisting of two and four socket machines together with a Broadwell system, I want to be able to run LINPACK with a different amount of MPI ranks per node....
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Stability Functions and Pardiso
Dear Guru:I have been using PARDISO for a while with a structural analysis program from Harrison 1973 Fortran. Updated of course.I have no problems with it in the standard solve form. I am now looking...
View Articleissue of 2d fft with openmp
Hi, I'm having trouble with 2d fft using intel 2018 compiler. I tracked it down and reproduce the behavior in this simple code. The sample code applies forward and backward 2d fft, and is supposed to...
View ArticleThe support period for my license has expired.
Hi, folks.What I have tried is to download latest Parallel Studio using my 'old' profile that I've created several years ago. And I got "The support period for your license has expired. To download...
View ArticleTensorflow performance w/ MKL
Hi,I am trying to use tensorflow-1.8.0 compiled with MKL-2018.2.199 enabled. I use it to run mobilenet image classification and obj detection models. I compared the performance w/ MKL and w/o MKL. In...
View ArticleStoring Tri-diagonal matrix in coo or csr format.
Hi,Is there any function/method to store the tridiagonal matrix in csr or coo format.
View ArticleFFT performance issue
I am evaluating the MKL library for the new project. While computing the FFT, I could see that performance of the FFT (in terms of GFLOP/s) reduces if the threads are in different socket ( using thread...
View ArticleNumpy + MKL only using 1 core of cpu on Ubuntu 16.04
Hi,I am using Ubuntu 16.04 on my pc with "Intel® Core™ i7-7700K CPU @ 4.20GHz × 8".My numpy and scipy only use one cpu when I try to do some element calculation for my numpy ndarray. Something...
View ArticleNew Floating Point Math Error in Subtraction for Intel Core Processors?
To duplicate type the following in to an Excel spreadsheet.=(6.377-6.376)*1000I get: 0.999999999999446 if I allow the decimal places to be shown. That is three significant digits that are in error, way...
View Articlegetting MKL thread IDs
Hi, We have a problem regarding mkl threads and we really appreciate your valuable help. we are using mkl function calls in the nested parallel region below: omp_set_num_threads( NUM_OF_THREADS );...
View ArticleSupport for legacy software migration project - Intel MKL
Hi,We have a legacy software utility which we are planning to Migrate from Visual Studio 2003 to Visual Studio 2010. Migration will be from Windows Server 2003(x86) to target platform Windows Server...
View ArticleCOO (with duplicates) to CSR
HI, I wrote the following routine to convert the e-vectors (in coo with multiple duplicates) to the csr format. The steps I made are (1-sorting ia 2- sorting ja 3- condensing or summing up the...
View ArticleSkylake HPL with Intel MKL
Hi Team, We are unable to run HPL on skylake.EnvironmentCentos 7.4Single Server of Xeon Gold 6148, 20 Core,2.4 GHrtz, Quantity 2, IPC 32 And Of Rpeak 3072.Running "xhpl_intel64_dynamic" Precompiled...
View ArticleMemory leak in FEAST routines
Hi,I was experimenting with the FEAST routines and found a problem with memory leaks.In particular, the zfeast_heev routine works perfectly fine, when the parameter "x" is allocated on the stack, e.g,...
View ArticleMKL Operations in TensorFlow
Hi all,I run a TensorFlow model Inception with Intel MKL-DNN support. The execution time of MKL operations in MKL (e.g. _MklConv2DBackpropFilter, _MklConv2D, _MklConv2DBackpropInput, etc) have no...
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Uninstall of MKL 2017 Update 2 FAILING on Windows 10 (version 1803)
Uninstall of MKL 2017 Update 2 from my PC using the usual Control Panel uninstaller fails as follows:Intel(R) Math Kernel Library 2017 Update 2 for Windows* Intel® Software Setup Assistant ended...
View ArticleSupport for legacy software migration
Hi,We have a legacy software application currently running in Windows 2003 server (x86) which we are planning to move it to Windows 2012 server. Our existing application uses below mentioned Intel Math...
View ArticleMistake in the mkl_dnn documentation
Hi Everybody,i have been using the intel mkl_dnn library for convolutions and batch normalization and have noticed that there is a simple spelling mistake in the documentation that took me around 2...
View ArticlePSGESVD: Illegal parameter 19
Hello,I want to perform SVD on a matrix in parallel(C). But I am facing issues in psgesvd. When I try to perform svd of a matrix of size 4750*4750, I get an error saying that:"{ 0, 0}: On entry...
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