mkl_get_max_threads() return value unclear
I'm a bit confused about the method mkl_get_max_threads()According to the help documentation, it should return the number of physical cores (provided that dynamic adjustment is enabled).However,...
View ArticleAbout MKL bidiagonal decomposition
Dear support team,I met some problem when trying to run the ?unmbr() function from MKL, the bidiagonal terms could be calculated correctly, but I was unable to mutiply them back. Could you help me with...
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Adding write statements to a subroutine breaks the MKL lib
Hi all,Classic strange behaviour with write statements in a subroutine. Adding them breaks the MKL library.Without the writes, the dolfyn CFD code (written in f2003) runs: Flag Step Res U Res V Res W...
View ArticleFacing error when running PARDISO at phase11
Hi,I am coding with Fortran 90 in Microsoft VS2008. In order to solve a sparse matrix, the PARDISO solver in MKL has been used. The matrix to be solved is a complex number one.When I tried to run the...
View ArticleShared Library for Intel fftw wrapper
Dear Engineer,I am a newbee for complier opensource software. Also I found that intel parallel XE support FFTW wrapper include C and Fortran interface, I successful complier the .a static library on...
View ArticleStatically linking to MKL 2017.3 on GCC 5.4.0
Hi there, I am trying to statically link my library to MKL 2017.3 (using Intel OpenMP for threading), under GCC 5.4.0, on Ubuntu. So according to the link line advisor, I need to link with...
View ArticleLAPACK(zsptrf), using Complex has no speed improvement comparing with Complex
For function LAPACK(zsptrf) to solve matrix LU, if the matrix data type is Complex<float>, the speed should be faster than Complex<double>. But I did not see the improvement. I use the...
View ArticleTrying to skip pardiso reordering.
I'm currently trying to skip Pardiso reordering as I have already manually reordered the matrix previously. As far as I can understand from the table description I should be able to skip the reordering...
View ArticleIntel(r) MKL-DNN - when should I destroy primitive_desc?
Hi, Thank you for the open-source MKL-DNN product.The documentation says little about cleaning up objects created with mkldnn_*_create functions, particularly mkldnn_primitive_desc_t objects. The...
View Articleomp_set_num_threads vs mkl_set_num_threads
According MKL documentation, omp_set_num_threads is enough to define the num of threads used by MKL. But that's not the case: I have to use mkl_set_num_threads.
View ArticlePardiso pointer (pt) type
Hi, I am using pardiso solver in c++ under visual studio 2012 (x64). What should be the proper type of pt (int or long int). I cam currently using it as void *. Also I am linking with interface layer...
View ArticleSVD hangs periodically
We are noticing that SVD, both dgesvd and dgesdd, will hang periodically. The call stack terminates with a call to either one of those functions. Killing the process and rerunning alleviates the...
View ArticleLicence problem
I have the following error when I try to use icc:Error: unknown string License file(s) used were (in this order): 1. Trusted Storage ** 2. /opt/intel/licenses/NCOM____XXXX-XXXXXXXX_1.lic ** 3....
View ArticleCross Power Spectral Density
Has anyone seen a code for the Cross Power Spectral Density Function -- it exists in MATLAB, but I would rather not use MATLAB for obvious reasons.John
View Articlereal to split complex FT
Hello there,I need to do real to complex FT and really want the complex output to be stored in two different arrays (e.g. rdata and idata for the real and imag, respectively). I am able to configure a...
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Adding write statements to a subroutine breaks the MKL lib
Hi all,Classic strange behaviour with write statements in a subroutine. Adding them breaks the MKL library.Without the writes, the dolfyn CFD code (written in f2003) runs: Flag Step Res U Res V Res W...
View ArticlePardiso w/ Quasi Newton method?
I have read through the page describing using PARDISO to solve a nonlinear set of equations after they have been linearized, but I noticed the algorithm is just Newton's method applied with the PARDISO...
View ArticleMKL Poisson Solver Profiling Question
Hello all,I am using MKL to solve a 2D Cartesian Poisson Problem with fixed Neumann boundary conditions.I have two questions:(i) based on experiments, I have noticed that the runtime/complexity depends...
View Articlesolve Linear system
hii am struggling with solving dense linear systems. my question is ho i can use LAPACK or is there any internal package in Inter parallel-x Fortran?kind regards
View ArticleMKL FATAL Error - Error on loading function mkl_vml_serv_threader_c_1i_2o.
Hi, i am trying out the latest intel python with TBB. i tried 'python -m TBB test.py' which test is a program with lots of PANDAS dataframe and random forest regressors. Any advice what should i be...
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