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poor MKL performance on Xeon Phi 7250
Hi, I did some performance tests for my NEGF simulation on two different systems:"KNL": Intel Xeon Phi 7250 @ 1.4 GHz, 68 cores/node."Xeon": Intel Xeon E5-4699 V3 @ 2.3 GHz, 36 cores/node. The tested...
View ArticleMemory management in vsl
Hi,I am using vsldSSEditCorParameterization in debug mode (windows) and have some problems with the windows debug heal validation step, that windows always performs on de-allocation, resulting in...
View Articlewhy MKL deep learning much slow for backpropagation
according to baidu's benchmark (https://github.com/baidu-research/DeepBench), mkl's deep learning with convolution (not gemm) has a much slower backward speed than the forward pass.for example...
View ArticleStatic linking error: undefined reference to `MKLMPI_Get_wrappers'
I am able to dynamically link the intel libraries and my application runs perfectly. But when I try to statically link, l I receive the...
View Articleunable to compile/link Pardiso in IF16
Using IF15, in a subroutine I make a call to Pardiso with mkl_pardiso.f77' and everything was OK.Now with IF16 upd 4 the compilers is unable to include mkl_pardiso.f77.Both include documented in the...
View ArticleLink error when building numpy with MKL on Windows
Hi,I'm now building numpy on my Windows 7 following this guide: https://software.intel.com/en-us/articles/building-numpyscipy-with-intel-mkl-and-intel-fortran-on-windows. I also posted this question...
View ArticleMKL Version in Composer 2017
What is the version of the Intel MKL packaged with Parallel Student 2017? How do I see the version of MKLHas MKL gone to the version = year scheme that others are now using?
View ArticleMKL 11.x, turning on Pardiso OOC via env variables....
HI,Is their anyway to turn on MKL DSS/ PARDISO OOC by using an environment variable? I notice it is possible to tune the OOC via env variables, but it is a bit unclear if it can be switched on and off...
View ArticleMKL lapack slow on Xeon Phi KNL
I'm running a Xeon Phi Knights Landing (64 core) and an Intel i7-6900K side by side for speed comparisons. I'm in Python3, with latest Numpy (1.11.1) linked with all the latest MKL (11.3.3) libraries...
View ArticleI can't install Intel MKL 2017 (only library without Composer) because it...
Hi everyone, yesterday I try it to install the package l_mkl_2017.0.098.tar.gz in my system Linux Ubuntu 16.04.1 LTS. I belong to the research community and I have two valid licenses: 1) Academic...
View ArticleUnclear documentation for ?getrs and ?gerfs
I am using LAPACK to solve a linear sytem of equations A(n,n) * X(n,1) = B(n,1). A, X and B are real*8 (double precision).First of all, I create A and B, initialize X to 0, and I then make a copy of A...
View ArticlePardiso freezes occasionally when matrix is singular
Hi,I have an application which uses Pardiso (pardiso_64) for large sparse matrix solves. In running a series of tests for my application in parallel processes with different input, I have discovered...
View Articlepardiso/pardiso_64 solution argument when iparm(5)=1 (overwrite)
Hi,I quick question regarding pardiso/pardiso_64: When iparm(5)=1 (0-based indexing) so that the solution is put in the rhs vector b, do I need to allocate any memory for the argument 'x' (the solution...
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Diffuculties in linking intel fortran MKL library in MSVS15
Hi! Thanks in advance for spending time reading the thread and offering your precious advice and insight.I am using MSVS15 + Intel Parallel Studio 17. I am compiling the example project from this...
View ArticleMKL ERROR: Parameter 4 was incorrect on entry to SGESV
I am seeing this error above when trying to call the subroutine SGESV. Can someone explain to me what this means. I have also attached the code below. RegardsJason PROGRAM AXIALFD...
View Articlemkl csrcoo question
Greetings,I would like to convert a csr format to coo storage format. https://software.intel.com/en-us/node/520849 I am familiar with this and have used this. My question is, how can i convert csr to...
View ArticleProblems using MKL as PRNG in a MC code (memory leak and data races)
Hey there,I recently ran into trouble when using MKL as the pseudo random number generator in my Monte Carlo particle solver. Background: I switched from the intrinsic Fortran RNG to the MKL RNG. My...
View ArticleIn R session, first Sys.setenv(MKL_MIC_ENABLE = 0), then 1
Dear All,I'm trying to benchmark automatic offload to Xeon Phi by in R by changing OS environment variables (MKL_MIC_ENABLE, etc.) exclusively from within R via the base function Sys.setenv.Here's my...
View Articlestatic linking when using lapack routine dsytrf
Hello,I have the recent 2017 version of the Parallel Studio XE Composer Edition for Fortran LinuxIn my program I am calling Lapack routines dsytrf and dsytri2 . I need to statically link the programIn...
View ArticleProcess goes to sleep when using OpenMP
Hello,I've a relatively large program in Fortran90 that relies on the mkl library, in particular BLAS, LAPACK, and DFTI subroutines. These are called repeatedly within the program. There is no OpenMP...
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